diff --git a/bind/bind_test.go b/bind/bind_test.go
index cf6d009..9fe39a0 100644
--- a/bind/bind_test.go
+++ b/bind/bind_test.go
@@ -266,9 +266,7 @@
 	}
 	for _, filename := range allTests {
 		refs := fileRefs(t, filename, "Java/")
-		imp := &java.Importer{
-			JavaPkgPrefix: "go.",
-		}
+		imp := &java.Importer{}
 		classes, err := imp.Import(refs)
 		if err != nil {
 			t.Fatal(err)
@@ -290,7 +288,7 @@
 			}
 			var genNames []string
 			for _, emb := range refs.Embedders {
-				genNames = append(genNames, imp.JavaPkgPrefix+emb.Pkg+"."+emb.Name)
+				genNames = append(genNames, emb.Pkg+"."+emb.Name)
 			}
 			cg.Init(classes, genNames)
 			genJavaPackages(t, tmpGopath, cg)
@@ -380,9 +378,7 @@
 	for _, filename := range javaTests {
 		var buf bytes.Buffer
 		refs := fileRefs(t, filename, "Java/")
-		imp := &java.Importer{
-			JavaPkgPrefix: "go.",
-		}
+		imp := &java.Importer{}
 		classes, err := imp.Import(refs)
 		if err != nil {
 			t.Fatal(err)
@@ -400,7 +396,7 @@
 		}
 		var genNames []string
 		for _, emb := range refs.Embedders {
-			genNames = append(genNames, imp.JavaPkgPrefix+emb.Pkg+"."+emb.Name)
+			genNames = append(genNames, emb.Pkg+"."+emb.Name)
 		}
 		cg.Init(classes, genNames)
 		genJavaPackages(t, tmpGopath, cg)
diff --git a/bind/genjava.go b/bind/genjava.go
index bcd0a4c..3164b77 100644
--- a/bind/genjava.go
+++ b/bind/genjava.go
@@ -20,7 +20,7 @@
 
 type JavaGen struct {
 	// JavaPkg is the Java package prefix for the generated classes. The prefix is prepended to the Go
-	// package name to create the full Java package name. If JavaPkg is empty, 'go' is used as prefix.
+	// package name to create the full Java package name.
 	JavaPkg string
 
 	*Generator
@@ -844,11 +844,10 @@
 		return "go"
 	}
 	s := javaNameReplacer(pkg.Name())
-	if pkgPrefix != "" {
-		return pkgPrefix + "." + s
-	} else {
-		return "go." + s
+	if pkgPrefix == "" {
+		return s
 	}
+	return pkgPrefix + "." + s
 }
 
 func (g *JavaGen) className() string {
diff --git a/bind/java/ClassesTest.java b/bind/java/ClassesTest.java
index ca38391..c8264df 100644
--- a/bind/java/ClassesTest.java
+++ b/bind/java/ClassesTest.java
@@ -12,12 +12,12 @@
 import java.util.Arrays;
 import java.util.Random;
 
-import go.javapkg.Javapkg;
-import go.javapkg.I;
-import go.javapkg.GoObject;
-import go.javapkg.GoRunnable;
-import go.javapkg.GoSubset;
-import go.javapkg.GoInputStream;
+import javapkg.Javapkg;
+import javapkg.I;
+import javapkg.GoObject;
+import javapkg.GoRunnable;
+import javapkg.GoSubset;
+import javapkg.GoInputStream;
 
 public class ClassesTest extends InstrumentationTestCase {
 	public void testConst() {
diff --git a/bind/java/SeqBench.java b/bind/java/SeqBench.java
index 1377701..26adb9d 100644
--- a/bind/java/SeqBench.java
+++ b/bind/java/SeqBench.java
@@ -13,7 +13,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ExecutorService;
 
-import go.benchmark.*;
+import benchmark.*;
 
 public class SeqBench extends InstrumentationTestCase {
 
@@ -22,7 +22,7 @@
     }
   }
 
-  private static class Benchmarks implements go.benchmark.Benchmarks {
+  private static class Benchmarks implements benchmark.Benchmarks {
     private static Map<String, Runnable> benchmarks;
     private static ExecutorService executor = Executors.newSingleThreadExecutor();
 
diff --git a/bind/java/SeqTest.java b/bind/java/SeqTest.java
index 156e591..6bce54d 100644
--- a/bind/java/SeqTest.java
+++ b/bind/java/SeqTest.java
@@ -10,8 +10,8 @@
 import java.util.Arrays;
 import java.util.Random;
 
-import go.testpkg.*;
-import go.secondpkg.Secondpkg;
+import testpkg.*;
+import secondpkg.Secondpkg;
 
 public class SeqTest extends InstrumentationTestCase {
   public SeqTest() {
@@ -483,14 +483,14 @@
   }
 
   public void testImportedPkg() {
-    Testpkg.callImportedI(new go.secondpkg.I() {
+    Testpkg.callImportedI(new secondpkg.I() {
       @Override public long f(long i) {
         return i;
       }
     });
     assertEquals("imported string should match", Secondpkg.HelloString, Secondpkg.hello());
-    go.secondpkg.I i = Testpkg.newImportedI();
-    go.secondpkg.S s = Testpkg.newImportedS();
+    secondpkg.I i = Testpkg.newImportedI();
+    secondpkg.S s = Testpkg.newImportedS();
     i = Testpkg.getImportedVarI();
     s = Testpkg.getImportedVarS();
     assertEquals("numbers should match", 8, i.f(8));
@@ -505,9 +505,9 @@
     Testpkg.withImportedI(i);
     Testpkg.withImportedS(s);
 
-    go.secondpkg.IF f = new AnI();
+    secondpkg.IF f = new AnI();
     f = Testpkg.new_();
-    go.secondpkg.Ser ser = Testpkg.newSer();
+    secondpkg.Ser ser = Testpkg.newSer();
   }
 
   public void testRoundtripEquality() {
diff --git a/bind/testdata/basictypes.java.c.golden b/bind/testdata/basictypes.java.c.golden
index 11738f5..bdebd0c 100644
--- a/bind/testdata/basictypes.java.c.golden
+++ b/bind/testdata/basictypes.java.c.golden
@@ -11,12 +11,12 @@
 
 
 JNIEXPORT void JNICALL
-Java_go_basictypes_Basictypes__1init(JNIEnv *env, jclass _unused) {
+Java_basictypes_Basictypes__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
 }
 
 JNIEXPORT jboolean JNICALL
-Java_go_basictypes_Basictypes_bool(JNIEnv* env, jclass _clazz, jboolean p0) {
+Java_basictypes_Basictypes_bool(JNIEnv* env, jclass _clazz, jboolean p0) {
     char _p0 = (char)p0;
     char r0 = proxybasictypes__Bool(_p0);
     jboolean _r0 = r0 ? JNI_TRUE : JNI_FALSE;
@@ -24,7 +24,7 @@
 }
 
 JNIEXPORT jbyteArray JNICALL
-Java_go_basictypes_Basictypes_byteArrays(JNIEnv* env, jclass _clazz, jbyteArray x) {
+Java_basictypes_Basictypes_byteArrays(JNIEnv* env, jclass _clazz, jbyteArray x) {
     nbyteslice _x = go_seq_from_java_bytearray(env, x, 0);
     nbyteslice r0 = proxybasictypes__ByteArrays(_x);
     go_seq_release_byte_array(env, x, _x.ptr);
@@ -33,14 +33,14 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_basictypes_Basictypes_error(JNIEnv* env, jclass _clazz) {
+Java_basictypes_Basictypes_error(JNIEnv* env, jclass _clazz) {
     int32_t r0 = proxybasictypes__Error();
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class__error, proxy_class__error_cons);
     go_seq_maybe_throw_exception(env, _r0);
 }
 
 JNIEXPORT jlong JNICALL
-Java_go_basictypes_Basictypes_errorPair(JNIEnv* env, jclass _clazz) {
+Java_basictypes_Basictypes_errorPair(JNIEnv* env, jclass _clazz) {
     struct proxybasictypes__ErrorPair_return res = proxybasictypes__ErrorPair();
     jlong _r0 = (jlong)res.r0;
     jobject _r1 = go_seq_from_refnum(env, res.r1, proxy_class__error, proxy_class__error_cons);
@@ -49,7 +49,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_basictypes_Basictypes_ints(JNIEnv* env, jclass _clazz, jbyte x, jshort y, jint z, jlong t, jlong u) {
+Java_basictypes_Basictypes_ints(JNIEnv* env, jclass _clazz, jbyte x, jshort y, jint z, jlong t, jlong u) {
     int8_t _x = (int8_t)x;
     int16_t _y = (int16_t)y;
     int32_t _z = (int32_t)z;
diff --git a/bind/testdata/basictypes.java.golden b/bind/testdata/basictypes.java.golden
index d6168fd..3f831de 100644
--- a/bind/testdata/basictypes.java.golden
+++ b/bind/testdata/basictypes.java.golden
@@ -1,8 +1,8 @@
-// Java class go.basictypes.Basictypes is a proxy for talking to a Go program.
+// Java class basictypes.Basictypes is a proxy for talking to a Go program.
 //   gobind -lang=java basictypes
 //
 // File is generated by gobind. Do not edit.
-package go.basictypes;
+package basictypes;
 
 import go.Seq;
 
diff --git a/bind/testdata/classes.go b/bind/testdata/classes.go
index d110eb9..0dead86 100644
--- a/bind/testdata/classes.go
+++ b/bind/testdata/classes.go
@@ -5,7 +5,7 @@
 package java
 
 import (
-	gopkg "Java/go/java"
+	gopkg "Java/java"
 	"Java/java/io"
 	"Java/java/lang"
 	"Java/java/lang/System"
diff --git a/bind/testdata/classes.go.golden b/bind/testdata/classes.go.golden
index ff637a8..7cff13e 100644
--- a/bind/testdata/classes.go.golden
+++ b/bind/testdata/classes.go.golden
@@ -30,24 +30,24 @@
 type Java_lang_System interface {
 }
 
-type Go_java_Future interface {
+type Java_Future interface {
 	Get() (Java_lang_Object, error)
 	Get2(a0 int64, a1 Java_util_concurrent_TimeUnit) (Java_lang_Object, error)
-	Super() Go_java_Future
+	Super() Java_Future
 }
 
-type Go_java_InputStream interface {
+type Java_InputStream interface {
 	Read() (int32, error)
-	Super() Go_java_InputStream
+	Super() Java_InputStream
 }
 
-type Go_java_Object interface {
-	Super() Go_java_Object
+type Java_Object interface {
+	Super() Java_Object
 }
 
-type Go_java_Runnable interface {
+type Java_Runnable interface {
 	Run()
-	Super() Go_java_Runnable
+	Super() Java_Runnable
 }
 
 type Java_util_PrimitiveIterator_OfInt interface {
@@ -84,10 +84,10 @@
 import "Java/java/util/concurrent/TimeUnit"
 import "Java/java/util/Spliterators"
 import "Java/java/lang/System"
-import "Java/go/java/Future"
-import "Java/go/java/InputStream"
-import "Java/go/java/Object"
-import "Java/go/java/Runnable"
+import "Java/java/Future"
+import "Java/java/InputStream"
+import "Java/java/Object"
+import "Java/java/Runnable"
 import "Java/java/util/PrimitiveIterator/OfInt"
 import "Java/java/util/Spliterator/OfInt"
 import "Java/java/io/Console"
@@ -114,10 +114,10 @@
 	init_java_util_concurrent_TimeUnit()
 	init_java_util_Spliterators()
 	init_java_lang_System()
-	init_go_java_Future()
-	init_go_java_InputStream()
-	init_go_java_Object()
-	init_go_java_Runnable()
+	init_java_Future()
+	init_java_InputStream()
+	init_java_Object()
+	init_java_Runnable()
 	init_java_util_PrimitiveIterator_OfInt()
 	init_java_util_Spliterator_OfInt()
 	init_java_io_Console()
@@ -446,33 +446,33 @@
 
 func (p *proxy_class_java_lang_System) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
 
-var class_go_java_Future C.jclass
+var class_java_Future C.jclass
 
-func init_go_java_Future() {
-	cls := C.CString("go/java/Future")
+func init_java_Future() {
+	cls := C.CString("java/Future")
 	clazz := C.go_seq_find_class(cls)
 	C.free(unsafe.Pointer(cls))
 	if clazz == nil {
 		return
 	}
-	class_go_java_Future = clazz
-	Future.Cast = func(v interface{}) Java.Go_java_Future {
-		t := reflect.TypeOf((*proxy_class_go_java_Future)(nil))
-		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_go_java_Future)
+	class_java_Future = clazz
+	Future.Cast = func(v interface{}) Java.Java_Future {
+		t := reflect.TypeOf((*proxy_class_java_Future)(nil))
+		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_Future)
 		ref := C.jint(_seq.ToRefNum(cv))
-		if C.go_seq_isinstanceof(ref, class_go_java_Future) != 1 {
-			panic(fmt.Errorf("%T is not an instance of %s", v, "go.java.Future"))
+		if C.go_seq_isinstanceof(ref, class_java_Future) != 1 {
+			panic(fmt.Errorf("%T is not an instance of %s", v, "java.Future"))
 		}
 		return cv
 	}
 }
 
-type proxy_class_go_java_Future _seq.Ref
+type proxy_class_java_Future _seq.Ref
 
-func (p *proxy_class_go_java_Future) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
+func (p *proxy_class_java_Future) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
 
-func (p *proxy_class_go_java_Future) Get() (Java.Java_lang_Object, error) {
-	res := C.cproxy_go_java_Future_get__(C.jint(p.Bind_proxy_refnum__()))
+func (p *proxy_class_java_Future) Get() (Java.Java_lang_Object, error) {
+	res := C.cproxy_java_Future_get__(C.jint(p.Bind_proxy_refnum__()))
 	var _res Java.Java_lang_Object
 	_res_ref := _seq.FromRefNum(int32(res.res))
 	if _res_ref != nil {
@@ -494,13 +494,13 @@
 	return _res, _exc
 }
 
-func (p *proxy_class_go_java_Future) Get2(a0 int64, a1 Java.Java_util_concurrent_TimeUnit) (Java.Java_lang_Object, error) {
+func (p *proxy_class_java_Future) Get2(a0 int64, a1 Java.Java_util_concurrent_TimeUnit) (Java.Java_lang_Object, error) {
 	_a0 := C.jlong(a0)
 	var _a1 C.jint = _seq.NullRefNum
 	if a1 != nil {
 		_a1 = C.jint(_seq.ToRefNum(a1))
 	}
-	res := C.cproxy_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(C.jint(p.Bind_proxy_refnum__()), _a0, _a1)
+	res := C.cproxy_java_Future_get__JLjava_util_concurrent_TimeUnit_2(C.jint(p.Bind_proxy_refnum__()), _a0, _a1)
 	var _res Java.Java_lang_Object
 	_res_ref := _seq.FromRefNum(int32(res.res))
 	if _res_ref != nil {
@@ -522,14 +522,14 @@
 	return _res, _exc
 }
 
-func (p *proxy_class_go_java_Future) Super() Java.Go_java_Future {
-	return &super_go_java_Future{p}
+func (p *proxy_class_java_Future) Super() Java.Java_Future {
+	return &super_java_Future{p}
 }
 
-type super_go_java_Future struct {*proxy_class_go_java_Future}
+type super_java_Future struct {*proxy_class_java_Future}
 
-func (p *super_go_java_Future) Get() (Java.Java_lang_Object, error) {
-	res := C.csuper_go_java_Future_get__(C.jint(p.Bind_proxy_refnum__()))
+func (p *super_java_Future) Get() (Java.Java_lang_Object, error) {
+	res := C.csuper_java_Future_get__(C.jint(p.Bind_proxy_refnum__()))
 	var _res Java.Java_lang_Object
 	_res_ref := _seq.FromRefNum(int32(res.res))
 	if _res_ref != nil {
@@ -551,13 +551,13 @@
 	return _res, _exc
 }
 
-func (p *super_go_java_Future) Get2(a0 int64, a1 Java.Java_util_concurrent_TimeUnit) (Java.Java_lang_Object, error) {
+func (p *super_java_Future) Get2(a0 int64, a1 Java.Java_util_concurrent_TimeUnit) (Java.Java_lang_Object, error) {
 	_a0 := C.jlong(a0)
 	var _a1 C.jint = _seq.NullRefNum
 	if a1 != nil {
 		_a1 = C.jint(_seq.ToRefNum(a1))
 	}
-	res := C.csuper_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(C.jint(p.Bind_proxy_refnum__()), _a0, _a1)
+	res := C.csuper_java_Future_get__JLjava_util_concurrent_TimeUnit_2(C.jint(p.Bind_proxy_refnum__()), _a0, _a1)
 	var _res Java.Java_lang_Object
 	_res_ref := _seq.FromRefNum(int32(res.res))
 	if _res_ref != nil {
@@ -579,33 +579,33 @@
 	return _res, _exc
 }
 
-var class_go_java_InputStream C.jclass
+var class_java_InputStream C.jclass
 
-func init_go_java_InputStream() {
-	cls := C.CString("go/java/InputStream")
+func init_java_InputStream() {
+	cls := C.CString("java/InputStream")
 	clazz := C.go_seq_find_class(cls)
 	C.free(unsafe.Pointer(cls))
 	if clazz == nil {
 		return
 	}
-	class_go_java_InputStream = clazz
-	InputStream.Cast = func(v interface{}) Java.Go_java_InputStream {
-		t := reflect.TypeOf((*proxy_class_go_java_InputStream)(nil))
-		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_go_java_InputStream)
+	class_java_InputStream = clazz
+	InputStream.Cast = func(v interface{}) Java.Java_InputStream {
+		t := reflect.TypeOf((*proxy_class_java_InputStream)(nil))
+		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_InputStream)
 		ref := C.jint(_seq.ToRefNum(cv))
-		if C.go_seq_isinstanceof(ref, class_go_java_InputStream) != 1 {
-			panic(fmt.Errorf("%T is not an instance of %s", v, "go.java.InputStream"))
+		if C.go_seq_isinstanceof(ref, class_java_InputStream) != 1 {
+			panic(fmt.Errorf("%T is not an instance of %s", v, "java.InputStream"))
 		}
 		return cv
 	}
 }
 
-type proxy_class_go_java_InputStream _seq.Ref
+type proxy_class_java_InputStream _seq.Ref
 
-func (p *proxy_class_go_java_InputStream) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
+func (p *proxy_class_java_InputStream) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
 
-func (p *proxy_class_go_java_InputStream) Read() (int32, error) {
-	res := C.cproxy_go_java_InputStream_read__(C.jint(p.Bind_proxy_refnum__()))
+func (p *proxy_class_java_InputStream) Read() (int32, error) {
+	res := C.cproxy_java_InputStream_read__(C.jint(p.Bind_proxy_refnum__()))
 	_res := int32(res.res)
 	var _exc error
 	_exc_ref := _seq.FromRefNum(int32(res.exc))
@@ -619,14 +619,14 @@
 	return _res, _exc
 }
 
-func (p *proxy_class_go_java_InputStream) Super() Java.Go_java_InputStream {
-	return &super_go_java_InputStream{p}
+func (p *proxy_class_java_InputStream) Super() Java.Java_InputStream {
+	return &super_java_InputStream{p}
 }
 
-type super_go_java_InputStream struct {*proxy_class_go_java_InputStream}
+type super_java_InputStream struct {*proxy_class_java_InputStream}
 
-func (p *super_go_java_InputStream) Read() (int32, error) {
-	res := C.csuper_go_java_InputStream_read__(C.jint(p.Bind_proxy_refnum__()))
+func (p *super_java_InputStream) Read() (int32, error) {
+	res := C.csuper_java_InputStream_read__(C.jint(p.Bind_proxy_refnum__()))
 	_res := int32(res.res)
 	var _exc error
 	_exc_ref := _seq.FromRefNum(int32(res.exc))
@@ -640,64 +640,64 @@
 	return _res, _exc
 }
 
-var class_go_java_Object C.jclass
+var class_java_Object C.jclass
 
-func init_go_java_Object() {
-	cls := C.CString("go/java/Object")
+func init_java_Object() {
+	cls := C.CString("java/Object")
 	clazz := C.go_seq_find_class(cls)
 	C.free(unsafe.Pointer(cls))
 	if clazz == nil {
 		return
 	}
-	class_go_java_Object = clazz
-	Object.Cast = func(v interface{}) Java.Go_java_Object {
-		t := reflect.TypeOf((*proxy_class_go_java_Object)(nil))
-		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_go_java_Object)
+	class_java_Object = clazz
+	Object.Cast = func(v interface{}) Java.Java_Object {
+		t := reflect.TypeOf((*proxy_class_java_Object)(nil))
+		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_Object)
 		ref := C.jint(_seq.ToRefNum(cv))
-		if C.go_seq_isinstanceof(ref, class_go_java_Object) != 1 {
-			panic(fmt.Errorf("%T is not an instance of %s", v, "go.java.Object"))
+		if C.go_seq_isinstanceof(ref, class_java_Object) != 1 {
+			panic(fmt.Errorf("%T is not an instance of %s", v, "java.Object"))
 		}
 		return cv
 	}
 }
 
-type proxy_class_go_java_Object _seq.Ref
+type proxy_class_java_Object _seq.Ref
 
-func (p *proxy_class_go_java_Object) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
+func (p *proxy_class_java_Object) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
 
-func (p *proxy_class_go_java_Object) Super() Java.Go_java_Object {
-	return &super_go_java_Object{p}
+func (p *proxy_class_java_Object) Super() Java.Java_Object {
+	return &super_java_Object{p}
 }
 
-type super_go_java_Object struct {*proxy_class_go_java_Object}
+type super_java_Object struct {*proxy_class_java_Object}
 
-var class_go_java_Runnable C.jclass
+var class_java_Runnable C.jclass
 
-func init_go_java_Runnable() {
-	cls := C.CString("go/java/Runnable")
+func init_java_Runnable() {
+	cls := C.CString("java/Runnable")
 	clazz := C.go_seq_find_class(cls)
 	C.free(unsafe.Pointer(cls))
 	if clazz == nil {
 		return
 	}
-	class_go_java_Runnable = clazz
-	Runnable.Cast = func(v interface{}) Java.Go_java_Runnable {
-		t := reflect.TypeOf((*proxy_class_go_java_Runnable)(nil))
-		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_go_java_Runnable)
+	class_java_Runnable = clazz
+	Runnable.Cast = func(v interface{}) Java.Java_Runnable {
+		t := reflect.TypeOf((*proxy_class_java_Runnable)(nil))
+		cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_Runnable)
 		ref := C.jint(_seq.ToRefNum(cv))
-		if C.go_seq_isinstanceof(ref, class_go_java_Runnable) != 1 {
-			panic(fmt.Errorf("%T is not an instance of %s", v, "go.java.Runnable"))
+		if C.go_seq_isinstanceof(ref, class_java_Runnable) != 1 {
+			panic(fmt.Errorf("%T is not an instance of %s", v, "java.Runnable"))
 		}
 		return cv
 	}
 }
 
-type proxy_class_go_java_Runnable _seq.Ref
+type proxy_class_java_Runnable _seq.Ref
 
-func (p *proxy_class_go_java_Runnable) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
+func (p *proxy_class_java_Runnable) Bind_proxy_refnum__() int32 { return (*_seq.Ref)(p).Bind_IncNum() }
 
-func (p *proxy_class_go_java_Runnable) Run() {
-	res := C.cproxy_go_java_Runnable_run(C.jint(p.Bind_proxy_refnum__()))
+func (p *proxy_class_java_Runnable) Run() {
+	res := C.cproxy_java_Runnable_run(C.jint(p.Bind_proxy_refnum__()))
 	var _exc error
 	_exc_ref := _seq.FromRefNum(int32(res))
 	if _exc_ref != nil {
@@ -710,14 +710,14 @@
 	if (_exc != nil) { panic(_exc) }
 }
 
-func (p *proxy_class_go_java_Runnable) Super() Java.Go_java_Runnable {
-	return &super_go_java_Runnable{p}
+func (p *proxy_class_java_Runnable) Super() Java.Java_Runnable {
+	return &super_java_Runnable{p}
 }
 
-type super_go_java_Runnable struct {*proxy_class_go_java_Runnable}
+type super_java_Runnable struct {*proxy_class_java_Runnable}
 
-func (p *super_go_java_Runnable) Run() {
-	res := C.csuper_go_java_Runnable_run(C.jint(p.Bind_proxy_refnum__()))
+func (p *super_java_Runnable) Run() {
+	res := C.csuper_java_Runnable_run(C.jint(p.Bind_proxy_refnum__()))
 	var _exc error
 	_exc_ref := _seq.FromRefNum(int32(res))
 	if _exc_ref != nil {
@@ -835,7 +835,7 @@
 import "C"
 
 import (
-	java_1 "Java/go/java"
+	java_1 "Java/java"
 	"Java/java/io"
 	"Java/java/lang"
 	"Java/java/util/concurrent"
@@ -1022,7 +1022,7 @@
 		if param_this < 0 { // go object
 			_param_this = _param_this_ref.Get().(java_1.Runnable)
 		} else { // foreign object
-			_param_this = (*proxy_class_go_java_Runnable)(_param_this_ref)
+			_param_this = (*proxy_class_java_Runnable)(_param_this_ref)
 		}
 	}
 	v.Run(_param_this)
diff --git a/bind/testdata/classes.java.c.golden b/bind/testdata/classes.java.c.golden
index e738c12..62da76a 100644
--- a/bind/testdata/classes.java.c.golden
+++ b/bind/testdata/classes.java.c.golden
@@ -44,22 +44,22 @@
 }
 
 static jclass class_java_lang_System;
-static jclass class_go_java_Future;
-static jclass sclass_go_java_Future;
-static jmethodID m_go_java_Future_get__;
-static jmethodID sm_go_java_Future_get__;
-static jmethodID m_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2;
-static jmethodID sm_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2;
-static jclass class_go_java_InputStream;
-static jclass sclass_go_java_InputStream;
-static jmethodID m_go_java_InputStream_read__;
-static jmethodID sm_go_java_InputStream_read__;
-static jclass class_go_java_Object;
-static jclass sclass_go_java_Object;
-static jclass class_go_java_Runnable;
-static jclass sclass_go_java_Runnable;
-static jmethodID m_go_java_Runnable_run;
-static jmethodID sm_go_java_Runnable_run;
+static jclass class_java_Future;
+static jclass sclass_java_Future;
+static jmethodID m_java_Future_get__;
+static jmethodID sm_java_Future_get__;
+static jmethodID m_java_Future_get__JLjava_util_concurrent_TimeUnit_2;
+static jmethodID sm_java_Future_get__JLjava_util_concurrent_TimeUnit_2;
+static jclass class_java_InputStream;
+static jclass sclass_java_InputStream;
+static jmethodID m_java_InputStream_read__;
+static jmethodID sm_java_InputStream_read__;
+static jclass class_java_Object;
+static jclass sclass_java_Object;
+static jclass class_java_Runnable;
+static jclass sclass_java_Runnable;
+static jmethodID m_java_Runnable_run;
+static jmethodID sm_java_Runnable_run;
 static jclass class_java_util_PrimitiveIterator_OfInt;
 static jclass class_java_util_Spliterator_OfInt;
 static jclass class_java_io_Console;
@@ -86,30 +86,30 @@
 	class_java_util_Spliterators = (*env)->NewGlobalRef(env, clazz);
 	clazz = (*env)->FindClass(env, "java/lang/System");
 	class_java_lang_System = (*env)->NewGlobalRef(env, clazz);
-	clazz = (*env)->FindClass(env, "go/java/Future");
-	class_go_java_Future = (*env)->NewGlobalRef(env, clazz);
-	sclass_go_java_Future = (*env)->GetSuperclass(env, clazz);
-	sclass_go_java_Future = (*env)->NewGlobalRef(env, sclass_go_java_Future);
-	m_go_java_Future_get__ = go_seq_get_method_id(clazz, "get", "()Ljava/lang/Object;");
-	sm_go_java_Future_get__ = go_seq_get_method_id(sclass_go_java_Future, "get", "()Ljava/lang/Object;");
-	m_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2 = go_seq_get_method_id(clazz, "get", "(JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;");
-	sm_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2 = go_seq_get_method_id(sclass_go_java_Future, "get", "(JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;");
-	clazz = (*env)->FindClass(env, "go/java/InputStream");
-	class_go_java_InputStream = (*env)->NewGlobalRef(env, clazz);
-	sclass_go_java_InputStream = (*env)->GetSuperclass(env, clazz);
-	sclass_go_java_InputStream = (*env)->NewGlobalRef(env, sclass_go_java_InputStream);
-	m_go_java_InputStream_read__ = go_seq_get_method_id(clazz, "read", "()I");
-	sm_go_java_InputStream_read__ = go_seq_get_method_id(sclass_go_java_InputStream, "read", "()I");
-	clazz = (*env)->FindClass(env, "go/java/Object");
-	class_go_java_Object = (*env)->NewGlobalRef(env, clazz);
-	sclass_go_java_Object = (*env)->GetSuperclass(env, clazz);
-	sclass_go_java_Object = (*env)->NewGlobalRef(env, sclass_go_java_Object);
-	clazz = (*env)->FindClass(env, "go/java/Runnable");
-	class_go_java_Runnable = (*env)->NewGlobalRef(env, clazz);
-	sclass_go_java_Runnable = (*env)->GetSuperclass(env, clazz);
-	sclass_go_java_Runnable = (*env)->NewGlobalRef(env, sclass_go_java_Runnable);
-	m_go_java_Runnable_run = go_seq_get_method_id(clazz, "run", "()V");
-	sm_go_java_Runnable_run = go_seq_get_method_id(sclass_go_java_Runnable, "run", "()V");
+	clazz = (*env)->FindClass(env, "java/Future");
+	class_java_Future = (*env)->NewGlobalRef(env, clazz);
+	sclass_java_Future = (*env)->GetSuperclass(env, clazz);
+	sclass_java_Future = (*env)->NewGlobalRef(env, sclass_java_Future);
+	m_java_Future_get__ = go_seq_get_method_id(clazz, "get", "()Ljava/lang/Object;");
+	sm_java_Future_get__ = go_seq_get_method_id(sclass_java_Future, "get", "()Ljava/lang/Object;");
+	m_java_Future_get__JLjava_util_concurrent_TimeUnit_2 = go_seq_get_method_id(clazz, "get", "(JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;");
+	sm_java_Future_get__JLjava_util_concurrent_TimeUnit_2 = go_seq_get_method_id(sclass_java_Future, "get", "(JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;");
+	clazz = (*env)->FindClass(env, "java/InputStream");
+	class_java_InputStream = (*env)->NewGlobalRef(env, clazz);
+	sclass_java_InputStream = (*env)->GetSuperclass(env, clazz);
+	sclass_java_InputStream = (*env)->NewGlobalRef(env, sclass_java_InputStream);
+	m_java_InputStream_read__ = go_seq_get_method_id(clazz, "read", "()I");
+	sm_java_InputStream_read__ = go_seq_get_method_id(sclass_java_InputStream, "read", "()I");
+	clazz = (*env)->FindClass(env, "java/Object");
+	class_java_Object = (*env)->NewGlobalRef(env, clazz);
+	sclass_java_Object = (*env)->GetSuperclass(env, clazz);
+	sclass_java_Object = (*env)->NewGlobalRef(env, sclass_java_Object);
+	clazz = (*env)->FindClass(env, "java/Runnable");
+	class_java_Runnable = (*env)->NewGlobalRef(env, clazz);
+	sclass_java_Runnable = (*env)->GetSuperclass(env, clazz);
+	sclass_java_Runnable = (*env)->NewGlobalRef(env, sclass_java_Runnable);
+	m_java_Runnable_run = go_seq_get_method_id(clazz, "run", "()V");
+	sm_java_Runnable_run = go_seq_get_method_id(sclass_java_Runnable, "run", "()V");
 	clazz = (*env)->FindClass(env, "java/util/PrimitiveIterator$OfInt");
 	class_java_util_PrimitiveIterator_OfInt = (*env)->NewGlobalRef(env, clazz);
 	clazz = (*env)->FindClass(env, "java/util/Spliterator$OfInt");
@@ -181,11 +181,11 @@
 	return __res;
 }
 
-ret_jint cproxy_go_java_Future_get__(jint this) {
+ret_jint cproxy_java_Future_get__(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	jobject res = (*env)->CallObjectMethod(env, _this, m_go_java_Future_get__);
+	jobject res = (*env)->CallObjectMethod(env, _this, m_java_Future_get__);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -197,11 +197,11 @@
 	return __res;
 }
 
-ret_jint csuper_go_java_Future_get__(jint this) {
+ret_jint csuper_java_Future_get__(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	jobject res = (*env)->CallNonvirtualObjectMethod(env, _this, sclass_go_java_Future, sm_go_java_Future_get__);
+	jobject res = (*env)->CallNonvirtualObjectMethod(env, _this, sclass_java_Future, sm_java_Future_get__);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -213,13 +213,13 @@
 	return __res;
 }
 
-ret_jint cproxy_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1) {
+ret_jint cproxy_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1) {
 	JNIEnv *env = go_seq_push_local_frame(3);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
 	jlong _a0 = a0;
 	jobject _a1 = go_seq_from_refnum(env, a1, NULL, NULL);
-	jobject res = (*env)->CallObjectMethod(env, _this, m_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2, _a0, _a1);
+	jobject res = (*env)->CallObjectMethod(env, _this, m_java_Future_get__JLjava_util_concurrent_TimeUnit_2, _a0, _a1);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -231,13 +231,13 @@
 	return __res;
 }
 
-ret_jint csuper_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1) {
+ret_jint csuper_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1) {
 	JNIEnv *env = go_seq_push_local_frame(3);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
 	jlong _a0 = a0;
 	jobject _a1 = go_seq_from_refnum(env, a1, NULL, NULL);
-	jobject res = (*env)->CallNonvirtualObjectMethod(env, _this, sclass_go_java_Future, sm_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2, _a0, _a1);
+	jobject res = (*env)->CallNonvirtualObjectMethod(env, _this, sclass_java_Future, sm_java_Future_get__JLjava_util_concurrent_TimeUnit_2, _a0, _a1);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -249,11 +249,11 @@
 	return __res;
 }
 
-ret_jint cproxy_go_java_InputStream_read__(jint this) {
+ret_jint cproxy_java_InputStream_read__(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	jint res = (*env)->CallIntMethod(env, _this, m_go_java_InputStream_read__);
+	jint res = (*env)->CallIntMethod(env, _this, m_java_InputStream_read__);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -265,11 +265,11 @@
 	return __res;
 }
 
-ret_jint csuper_go_java_InputStream_read__(jint this) {
+ret_jint csuper_java_InputStream_read__(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	jint res = (*env)->CallNonvirtualIntMethod(env, _this, sclass_go_java_InputStream, sm_go_java_InputStream_read__);
+	jint res = (*env)->CallNonvirtualIntMethod(env, _this, sclass_java_InputStream, sm_java_InputStream_read__);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	if (_exc != NULL) {
@@ -281,22 +281,22 @@
 	return __res;
 }
 
-jint cproxy_go_java_Runnable_run(jint this) {
+jint cproxy_java_Runnable_run(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	(*env)->CallVoidMethod(env, _this, m_go_java_Runnable_run);
+	(*env)->CallVoidMethod(env, _this, m_java_Runnable_run);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	go_seq_pop_local_frame(env);
 	return _exc_ref;
 }
 
-jint csuper_go_java_Runnable_run(jint this) {
+jint csuper_java_Runnable_run(jint this) {
 	JNIEnv *env = go_seq_push_local_frame(1);
 	// Must be a Java object
 	jobject _this = go_seq_from_refnum(env, this, NULL, NULL);
-	(*env)->CallNonvirtualVoidMethod(env, _this, sclass_go_java_Runnable, sm_go_java_Runnable_run);
+	(*env)->CallNonvirtualVoidMethod(env, _this, sclass_java_Runnable, sm_java_Runnable_run);
 	jobject _exc = go_seq_get_exception(env);
 	int32_t _exc_ref = go_seq_to_refnum(env, _exc);
 	go_seq_pop_local_frame(env);
@@ -335,34 +335,34 @@
 jmethodID proxy_class_java_Runnable_cons;
 
 JNIEXPORT void JNICALL
-Java_go_java_Java__1init(JNIEnv *env, jclass _unused) {
+Java_java_Java__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/java/Future");
+    clazz = (*env)->FindClass(env, "java/Future");
     proxy_class_java_Future = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_Future_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/Object");
+    clazz = (*env)->FindClass(env, "java/Object");
     proxy_class_java_Object = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_Object_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/Runnable");
+    clazz = (*env)->FindClass(env, "java/Runnable");
     proxy_class_java_Runnable = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_Runnable_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Java_newInputStream(JNIEnv* env, jclass _clazz) {
+Java_java_Java_newInputStream(JNIEnv* env, jclass _clazz) {
     int32_t r0 = proxyjava__NewInputStream();
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_java_InputStream, proxy_class_java_InputStream_cons);
     return _r0;
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Future__1_1New(JNIEnv *env, jclass clazz) {
+Java_java_Future__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_java_Future();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Future_get__(JNIEnv* env, jobject __this__) {
+Java_java_Future_get__(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyjava_Future_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, NULL, NULL);
@@ -370,7 +370,7 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(JNIEnv* env, jobject __this__, jlong p0, jobject p1) {
+Java_java_Future_get__JLjava_util_concurrent_TimeUnit_2(JNIEnv* env, jobject __this__, jlong p0, jobject p1) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int64_t _p0 = (int64_t)p0;
     int32_t _p1 = go_seq_to_refnum(env, p1);
@@ -380,14 +380,14 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_java_Future_setFuture(JNIEnv *env, jobject this, jobject v) {
+Java_java_Future_setFuture(JNIEnv *env, jobject this, jobject v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t _v = go_seq_to_refnum(env, v);
     proxyjava_Future_Future_Set(o, _v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Future_getFuture(JNIEnv *env, jobject this) {
+Java_java_Future_getFuture(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t r0 = proxyjava_Future_Future_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, NULL, NULL);
@@ -395,13 +395,13 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_InputStream__1_1NewInputStream(JNIEnv *env, jclass clazz) {
+Java_java_InputStream__1_1NewInputStream(JNIEnv *env, jclass clazz) {
     int32_t refnum = proxyjava__NewInputStream();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT jint JNICALL
-Java_go_java_InputStream_read__(JNIEnv* env, jobject __this__) {
+Java_java_InputStream_read__(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     struct proxyjava_InputStream_Read_return res = proxyjava_InputStream_Read(o);
     jint _r0 = (jint)res.r0;
@@ -411,14 +411,14 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_java_InputStream_setInputStream(JNIEnv *env, jobject this, jobject v) {
+Java_java_InputStream_setInputStream(JNIEnv *env, jobject this, jobject v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t _v = go_seq_to_refnum(env, v);
     proxyjava_InputStream_InputStream_Set(o, _v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_InputStream_getInputStream(JNIEnv *env, jobject this) {
+Java_java_InputStream_getInputStream(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t r0 = proxyjava_InputStream_InputStream_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, NULL, NULL);
@@ -426,20 +426,20 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Object__1_1New(JNIEnv *env, jclass clazz) {
+Java_java_Object__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_java_Object();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_java_Object_setObject(JNIEnv *env, jobject this, jobject v) {
+Java_java_Object_setObject(JNIEnv *env, jobject this, jobject v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t _v = go_seq_to_refnum(env, v);
     proxyjava_Object_Object_Set(o, _v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Object_getObject(JNIEnv *env, jobject this) {
+Java_java_Object_getObject(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t r0 = proxyjava_Object_Object_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, NULL, NULL);
@@ -447,27 +447,27 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Runnable__1_1New(JNIEnv *env, jclass clazz) {
+Java_java_Runnable__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_java_Runnable();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_java_Runnable_run(JNIEnv* env, jobject __this__) {
+Java_java_Runnable_run(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t _this_ = go_seq_to_refnum(env, __this__);
     proxyjava_Runnable_Run(o, _this_);
 }
 
 JNIEXPORT void JNICALL
-Java_go_java_Runnable_setRunnable(JNIEnv *env, jobject this, jobject v) {
+Java_java_Runnable_setRunnable(JNIEnv *env, jobject this, jobject v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t _v = go_seq_to_refnum(env, v);
     proxyjava_Runnable_Runnable_Set(o, _v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_java_Runnable_getRunnable(JNIEnv *env, jobject this) {
+Java_java_Runnable_getRunnable(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t r0 = proxyjava_Runnable_Runnable_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, NULL, NULL);
diff --git a/bind/testdata/classes.java.golden b/bind/testdata/classes.java.golden
index 40d4999..b9d602c 100644
--- a/bind/testdata/classes.java.golden
+++ b/bind/testdata/classes.java.golden
@@ -1,8 +1,8 @@
-// Java class go.java.Future is a proxy for talking to a Go program.
+// Java class java.Future is a proxy for talking to a Go program.
 //   gobind -lang=java classes
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -30,11 +30,11 @@
     @Override public native java.lang.Object get(long p0, java.util.concurrent.TimeUnit p1);
 }
 
-// Java class go.java.InputStream is a proxy for talking to a Go program.
+// Java class java.InputStream is a proxy for talking to a Go program.
 //   gobind -lang=java classes
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -62,11 +62,11 @@
     @Override public native int read() throws java.io.IOException;
 }
 
-// Java class go.java.Object is a proxy for talking to a Go program.
+// Java class java.Object is a proxy for talking to a Go program.
 //   gobind -lang=java classes
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -92,11 +92,11 @@
     
 }
 
-// Java class go.java.Runnable is a proxy for talking to a Go program.
+// Java class java.Runnable is a proxy for talking to a Go program.
 //   gobind -lang=java classes
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -123,11 +123,11 @@
     @Override public native void run();
 }
 
-// Java class go.java.Java is a proxy for talking to a Go program.
+// Java class java.Java is a proxy for talking to a Go program.
 //   gobind -lang=java classes
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
diff --git a/bind/testdata/classes.java.h.golden b/bind/testdata/classes.java.h.golden
index 9421910..4e8aed1 100644
--- a/bind/testdata/classes.java.h.golden
+++ b/bind/testdata/classes.java.h.golden
@@ -50,14 +50,14 @@
 extern ret_jint cproxy_java_io_InputStream_read__(jint this);
 extern ret_jint cproxy_java_util_concurrent_Future_get__(jint this);
 extern ret_jint cproxy_java_util_concurrent_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1);
-extern ret_jint cproxy_go_java_Future_get__(jint this);
-extern ret_jint csuper_go_java_Future_get__(jint this);
-extern ret_jint cproxy_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1);
-extern ret_jint csuper_go_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1);
-extern ret_jint cproxy_go_java_InputStream_read__(jint this);
-extern ret_jint csuper_go_java_InputStream_read__(jint this);
-extern jint cproxy_go_java_Runnable_run(jint this);
-extern jint csuper_go_java_Runnable_run(jint this);
+extern ret_jint cproxy_java_Future_get__(jint this);
+extern ret_jint csuper_java_Future_get__(jint this);
+extern ret_jint cproxy_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1);
+extern ret_jint csuper_java_Future_get__JLjava_util_concurrent_TimeUnit_2(jint this, jlong a0, jint a1);
+extern ret_jint cproxy_java_InputStream_read__(jint this);
+extern ret_jint csuper_java_InputStream_read__(jint this);
+extern jint cproxy_java_Runnable_run(jint this);
+extern jint csuper_java_Runnable_run(jint this);
 extern jint cproxy_java_io_Console_flush(jint this);
 extern ret_jint cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(jclass clazz, jmethodID m, jint a0);
 extern ret_jint cproxy_s_java_lang_System_console(jclass clazz, jmethodID m);
diff --git a/bind/testdata/ignore.java.c.golden b/bind/testdata/ignore.java.c.golden
index 981fbdf..9be1408 100644
--- a/bind/testdata/ignore.java.c.golden
+++ b/bind/testdata/ignore.java.c.golden
@@ -19,15 +19,15 @@
 jmethodID proxy_class_ignore_S_cons;
 
 JNIEXPORT void JNICALL
-Java_go_ignore_Ignore__1init(JNIEnv *env, jclass _unused) {
+Java_ignore_Ignore__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/ignore/S");
+    clazz = (*env)->FindClass(env, "ignore/S");
     proxy_class_ignore_S = (*env)->NewGlobalRef(env, clazz);
     proxy_class_ignore_S_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/ignore/Ignore$proxyI");
+    clazz = (*env)->FindClass(env, "ignore/Ignore$proxyI");
     proxy_class_ignore_I = (*env)->NewGlobalRef(env, clazz);
     proxy_class_ignore_I_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/ignore/I");
+    clazz = (*env)->FindClass(env, "ignore/I");
     // skipped method I.Argument with unsupported parameter or return types
     
     // skipped method I.Result with unsupported parameter or return types
@@ -40,7 +40,7 @@
 // skipped function Result with unsupported parameter or return types
 
 JNIEXPORT jobject JNICALL
-Java_go_ignore_S__1_1New(JNIEnv *env, jclass clazz) {
+Java_ignore_S__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_ignore_S();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
diff --git a/bind/testdata/ignore.java.golden b/bind/testdata/ignore.java.golden
index 0dd0d83..6255635 100644
--- a/bind/testdata/ignore.java.golden
+++ b/bind/testdata/ignore.java.golden
@@ -1,8 +1,8 @@
-// Java class go.ignore.S is a proxy for talking to a Go program.
+// Java class ignore.S is a proxy for talking to a Go program.
 //   gobind -lang=java ignore
 //
 // File is generated by gobind. Do not edit.
-package go.ignore;
+package ignore;
 
 import go.Seq;
 
@@ -50,11 +50,11 @@
     }
 }
 
-// Java class go.ignore.I is a proxy for talking to a Go program.
+// Java class ignore.I is a proxy for talking to a Go program.
 //   gobind -lang=java ignore
 //
 // File is generated by gobind. Do not edit.
-package go.ignore;
+package ignore;
 
 import go.Seq;
 
@@ -66,11 +66,11 @@
     
 }
 
-// Java class go.ignore.Ignore is a proxy for talking to a Go program.
+// Java class ignore.Ignore is a proxy for talking to a Go program.
 //   gobind -lang=java ignore
 //
 // File is generated by gobind. Do not edit.
-package go.ignore;
+package ignore;
 
 import go.Seq;
 
diff --git a/bind/testdata/interfaces.java.c.golden b/bind/testdata/interfaces.java.c.golden
index ed6616d..7c31204 100644
--- a/bind/testdata/interfaces.java.c.golden
+++ b/bind/testdata/interfaces.java.c.golden
@@ -36,61 +36,61 @@
 static jmethodID mid_WithParam_HasParam;
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces__1init(JNIEnv *env, jclass _unused) {
+Java_interfaces_Interfaces__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyError");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyError");
     proxy_class_interfaces_Error = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_Error_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/Error");
+    clazz = (*env)->FindClass(env, "interfaces/Error");
     mid_Error_Err = (*env)->GetMethodID(env, clazz, "err", "()V");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyI");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyI");
     proxy_class_interfaces_I = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_I_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/I");
+    clazz = (*env)->FindClass(env, "interfaces/I");
     mid_I_Rand = (*env)->GetMethodID(env, clazz, "rand", "()I");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyI1");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyI1");
     proxy_class_interfaces_I1 = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_I1_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/I1");
+    clazz = (*env)->FindClass(env, "interfaces/I1");
     mid_I1_J = (*env)->GetMethodID(env, clazz, "j", "()V");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyI2");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyI2");
     proxy_class_interfaces_I2 = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_I2_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/I2");
+    clazz = (*env)->FindClass(env, "interfaces/I2");
     mid_I2_G = (*env)->GetMethodID(env, clazz, "g", "()V");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyI3");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyI3");
     proxy_class_interfaces_I3 = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_I3_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/I3");
-    mid_I3_F = (*env)->GetMethodID(env, clazz, "f", "()Lgo/interfaces/I1;");
+    clazz = (*env)->FindClass(env, "interfaces/I3");
+    mid_I3_F = (*env)->GetMethodID(env, clazz, "f", "()Linterfaces/I1;");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyLargerI");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyLargerI");
     proxy_class_interfaces_LargerI = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_LargerI_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/LargerI");
+    clazz = (*env)->FindClass(env, "interfaces/LargerI");
     mid_LargerI_AnotherFunc = (*env)->GetMethodID(env, clazz, "anotherFunc", "()V");
     mid_LargerI_Rand = (*env)->GetMethodID(env, clazz, "rand", "()I");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxySameI");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxySameI");
     proxy_class_interfaces_SameI = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_SameI_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/SameI");
+    clazz = (*env)->FindClass(env, "interfaces/SameI");
     mid_SameI_Rand = (*env)->GetMethodID(env, clazz, "rand", "()I");
     
-    clazz = (*env)->FindClass(env, "go/interfaces/Interfaces$proxyWithParam");
+    clazz = (*env)->FindClass(env, "interfaces/Interfaces$proxyWithParam");
     proxy_class_interfaces_WithParam = (*env)->NewGlobalRef(env, clazz);
     proxy_class_interfaces_WithParam_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/interfaces/WithParam");
+    clazz = (*env)->FindClass(env, "interfaces/WithParam");
     mid_WithParam_HasParam = (*env)->GetMethodID(env, clazz, "hasParam", "(Z)V");
     
 }
 
 JNIEXPORT jint JNICALL
-Java_go_interfaces_Interfaces_add3(JNIEnv* env, jclass _clazz, jobject r) {
+Java_interfaces_Interfaces_add3(JNIEnv* env, jclass _clazz, jobject r) {
     int32_t _r = go_seq_to_refnum(env, r);
     int32_t r0 = proxyinterfaces__Add3(_r);
     jint _r0 = (jint)r0;
@@ -98,7 +98,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_callErr(JNIEnv* env, jclass _clazz, jobject e) {
+Java_interfaces_Interfaces_callErr(JNIEnv* env, jclass _clazz, jobject e) {
     int32_t _e = go_seq_to_refnum(env, e);
     int32_t r0 = proxyinterfaces__CallErr(_e);
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class__error, proxy_class__error_cons);
@@ -106,14 +106,14 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_interfaces_Interfaces_seven(JNIEnv* env, jclass _clazz) {
+Java_interfaces_Interfaces_seven(JNIEnv* env, jclass _clazz) {
     int32_t r0 = proxyinterfaces__Seven();
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_interfaces_I, proxy_class_interfaces_I_cons);
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_00024proxyError_err(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyError_err(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyinterfaces_Error_Err(o);
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class__error, proxy_class__error_cons);
@@ -131,7 +131,7 @@
 }
 
 JNIEXPORT jint JNICALL
-Java_go_interfaces_Interfaces_00024proxyI_rand(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyI_rand(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyinterfaces_I_Rand(o);
     jint _r0 = (jint)r0;
@@ -148,7 +148,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_00024proxyI1_j(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyI1_j(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxyinterfaces_I1_J(o);
 }
@@ -161,7 +161,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_00024proxyI2_g(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyI2_g(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxyinterfaces_I2_G(o);
 }
@@ -174,7 +174,7 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_interfaces_Interfaces_00024proxyI3_f(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyI3_f(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyinterfaces_I3_F(o);
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_interfaces_I1, proxy_class_interfaces_I1_cons);
@@ -191,7 +191,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_00024proxyLargerI_anotherFunc(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyLargerI_anotherFunc(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxyinterfaces_LargerI_AnotherFunc(o);
 }
@@ -204,7 +204,7 @@
 }
 
 JNIEXPORT jint JNICALL
-Java_go_interfaces_Interfaces_00024proxyLargerI_rand(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxyLargerI_rand(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyinterfaces_LargerI_Rand(o);
     jint _r0 = (jint)r0;
@@ -221,7 +221,7 @@
 }
 
 JNIEXPORT jint JNICALL
-Java_go_interfaces_Interfaces_00024proxySameI_rand(JNIEnv* env, jobject __this__) {
+Java_interfaces_Interfaces_00024proxySameI_rand(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t r0 = proxyinterfaces_SameI_Rand(o);
     jint _r0 = (jint)r0;
@@ -238,7 +238,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_interfaces_Interfaces_00024proxyWithParam_hasParam(JNIEnv* env, jobject __this__, jboolean p0) {
+Java_interfaces_Interfaces_00024proxyWithParam_hasParam(JNIEnv* env, jobject __this__, jboolean p0) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     char _p0 = (char)p0;
     proxyinterfaces_WithParam_HasParam(o, _p0);
diff --git a/bind/testdata/interfaces.java.golden b/bind/testdata/interfaces.java.golden
index 8164d15..44d5413 100644
--- a/bind/testdata/interfaces.java.golden
+++ b/bind/testdata/interfaces.java.golden
@@ -1,8 +1,8 @@
-// Java class go.interfaces.Error is a proxy for talking to a Go program.
+// Java class interfaces.Error is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -11,11 +11,11 @@
     
 }
 
-// Java class go.interfaces.I is a proxy for talking to a Go program.
+// Java class interfaces.I is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -24,11 +24,11 @@
     
 }
 
-// Java class go.interfaces.I1 is a proxy for talking to a Go program.
+// Java class interfaces.I1 is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -37,11 +37,11 @@
     
 }
 
-// Java class go.interfaces.I2 is a proxy for talking to a Go program.
+// Java class interfaces.I2 is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -50,11 +50,11 @@
     
 }
 
-// Java class go.interfaces.I3 is a proxy for talking to a Go program.
+// Java class interfaces.I3 is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -63,11 +63,11 @@
     
 }
 
-// Java class go.interfaces.LargerI is a proxy for talking to a Go program.
+// Java class interfaces.LargerI is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -77,11 +77,11 @@
     
 }
 
-// Java class go.interfaces.SameI is a proxy for talking to a Go program.
+// Java class interfaces.SameI is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -90,11 +90,11 @@
     
 }
 
-// Java class go.interfaces.WithParam is a proxy for talking to a Go program.
+// Java class interfaces.WithParam is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
@@ -103,11 +103,11 @@
     
 }
 
-// Java class go.interfaces.Interfaces is a proxy for talking to a Go program.
+// Java class interfaces.Interfaces is a proxy for talking to a Go program.
 //   gobind -lang=java interfaces
 //
 // File is generated by gobind. Do not edit.
-package go.interfaces;
+package interfaces;
 
 import go.Seq;
 
diff --git a/bind/testdata/issue10788.java.c.golden b/bind/testdata/issue10788.java.c.golden
index 24e883c..7176a4d 100644
--- a/bind/testdata/issue10788.java.c.golden
+++ b/bind/testdata/issue10788.java.c.golden
@@ -17,35 +17,35 @@
 jmethodID proxy_class_issue10788_TestStruct_cons;
 
 JNIEXPORT void JNICALL
-Java_go_issue10788_Issue10788__1init(JNIEnv *env, jclass _unused) {
+Java_issue10788_Issue10788__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/issue10788/TestStruct");
+    clazz = (*env)->FindClass(env, "issue10788/TestStruct");
     proxy_class_issue10788_TestStruct = (*env)->NewGlobalRef(env, clazz);
     proxy_class_issue10788_TestStruct_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/issue10788/Issue10788$proxyTestInterface");
+    clazz = (*env)->FindClass(env, "issue10788/Issue10788$proxyTestInterface");
     proxy_class_issue10788_TestInterface = (*env)->NewGlobalRef(env, clazz);
     proxy_class_issue10788_TestInterface_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/issue10788/TestInterface");
-    mid_TestInterface_DoSomeWork = (*env)->GetMethodID(env, clazz, "doSomeWork", "(Lgo/issue10788/TestStruct;)V");
+    clazz = (*env)->FindClass(env, "issue10788/TestInterface");
+    mid_TestInterface_DoSomeWork = (*env)->GetMethodID(env, clazz, "doSomeWork", "(Lissue10788/TestStruct;)V");
     mid_TestInterface_MultipleUnnamedParams = (*env)->GetMethodID(env, clazz, "multipleUnnamedParams", "(JLjava/lang/String;J)V");
     
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_issue10788_TestStruct__1_1New(JNIEnv *env, jclass clazz) {
+Java_issue10788_TestStruct__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_issue10788_TestStruct();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_issue10788_TestStruct_setValue(JNIEnv *env, jobject this, jstring v) {
+Java_issue10788_TestStruct_setValue(JNIEnv *env, jobject this, jstring v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     nstring _v = go_seq_from_java_string(env, v);
     proxyissue10788_TestStruct_Value_Set(o, _v);
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_issue10788_TestStruct_getValue(JNIEnv *env, jobject this) {
+Java_issue10788_TestStruct_getValue(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     nstring r0 = proxyissue10788_TestStruct_Value_Get(o);
     jstring _r0 = go_seq_to_java_string(env, r0);
@@ -53,7 +53,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_issue10788_Issue10788_00024proxyTestInterface_doSomeWork(JNIEnv* env, jobject __this__, jobject s) {
+Java_issue10788_Issue10788_00024proxyTestInterface_doSomeWork(JNIEnv* env, jobject __this__, jobject s) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     int32_t _s = go_seq_to_refnum(env, s);
     proxyissue10788_TestInterface_DoSomeWork(o, _s);
@@ -68,7 +68,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_issue10788_Issue10788_00024proxyTestInterface_multipleUnnamedParams(JNIEnv* env, jobject __this__, jlong p0, jstring p1, jlong p2) {
+Java_issue10788_Issue10788_00024proxyTestInterface_multipleUnnamedParams(JNIEnv* env, jobject __this__, jlong p0, jstring p1, jlong p2) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     nint _p0 = (nint)p0;
     nstring _p1 = go_seq_from_java_string(env, p1);
diff --git a/bind/testdata/issue10788.java.golden b/bind/testdata/issue10788.java.golden
index 9264d36..75ea43d 100644
--- a/bind/testdata/issue10788.java.golden
+++ b/bind/testdata/issue10788.java.golden
@@ -1,8 +1,8 @@
-// Java class go.issue10788.TestStruct is a proxy for talking to a Go program.
+// Java class issue10788.TestStruct is a proxy for talking to a Go program.
 //   gobind -lang=java issue10788
 //
 // File is generated by gobind. Do not edit.
-package go.issue10788;
+package issue10788;
 
 import go.Seq;
 
@@ -55,11 +55,11 @@
     }
 }
 
-// Java class go.issue10788.TestInterface is a proxy for talking to a Go program.
+// Java class issue10788.TestInterface is a proxy for talking to a Go program.
 //   gobind -lang=java issue10788
 //
 // File is generated by gobind. Do not edit.
-package go.issue10788;
+package issue10788;
 
 import go.Seq;
 
@@ -69,11 +69,11 @@
     
 }
 
-// Java class go.issue10788.Issue10788 is a proxy for talking to a Go program.
+// Java class issue10788.Issue10788 is a proxy for talking to a Go program.
 //   gobind -lang=java issue10788
 //
 // File is generated by gobind. Do not edit.
-package go.issue10788;
+package issue10788;
 
 import go.Seq;
 
diff --git a/bind/testdata/issue12328.java.c.golden b/bind/testdata/issue12328.java.c.golden
index da995de..de835cf 100644
--- a/bind/testdata/issue12328.java.c.golden
+++ b/bind/testdata/issue12328.java.c.golden
@@ -13,28 +13,28 @@
 jmethodID proxy_class_issue12328_T_cons;
 
 JNIEXPORT void JNICALL
-Java_go_issue12328_Issue12328__1init(JNIEnv *env, jclass _unused) {
+Java_issue12328_Issue12328__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/issue12328/T");
+    clazz = (*env)->FindClass(env, "issue12328/T");
     proxy_class_issue12328_T = (*env)->NewGlobalRef(env, clazz);
     proxy_class_issue12328_T_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_issue12328_T__1_1New(JNIEnv *env, jclass clazz) {
+Java_issue12328_T__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_issue12328_T();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_issue12328_T_setErr(JNIEnv *env, jobject this, jobject v) {
+Java_issue12328_T_setErr(JNIEnv *env, jobject this, jobject v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t _v = go_seq_to_refnum(env, v);
     proxyissue12328_T_Err_Set(o, _v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_issue12328_T_getErr(JNIEnv *env, jobject this) {
+Java_issue12328_T_getErr(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     int32_t r0 = proxyissue12328_T_Err_Get(o);
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class__error, proxy_class__error_cons);
diff --git a/bind/testdata/issue12328.java.golden b/bind/testdata/issue12328.java.golden
index 23fc5ef..db4d3da 100644
--- a/bind/testdata/issue12328.java.golden
+++ b/bind/testdata/issue12328.java.golden
@@ -1,8 +1,8 @@
-// Java class go.issue12328.T is a proxy for talking to a Go program.
+// Java class issue12328.T is a proxy for talking to a Go program.
 //   gobind -lang=java issue12328
 //
 // File is generated by gobind. Do not edit.
-package go.issue12328;
+package issue12328;
 
 import go.Seq;
 
@@ -55,11 +55,11 @@
     }
 }
 
-// Java class go.issue12328.Issue12328 is a proxy for talking to a Go program.
+// Java class issue12328.Issue12328 is a proxy for talking to a Go program.
 //   gobind -lang=java issue12328
 //
 // File is generated by gobind. Do not edit.
-package go.issue12328;
+package issue12328;
 
 import go.Seq;
 
diff --git a/bind/testdata/issue12403.java.c.golden b/bind/testdata/issue12403.java.c.golden
index fb5537b..d9c9ce2 100644
--- a/bind/testdata/issue12403.java.c.golden
+++ b/bind/testdata/issue12403.java.c.golden
@@ -15,19 +15,19 @@
 static jmethodID mid_Parsable_ToJSON;
 
 JNIEXPORT void JNICALL
-Java_go_issue12403_Issue12403__1init(JNIEnv *env, jclass _unused) {
+Java_issue12403_Issue12403__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/issue12403/Issue12403$proxyParsable");
+    clazz = (*env)->FindClass(env, "issue12403/Issue12403$proxyParsable");
     proxy_class_issue12403_Parsable = (*env)->NewGlobalRef(env, clazz);
     proxy_class_issue12403_Parsable_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/issue12403/Parsable");
+    clazz = (*env)->FindClass(env, "issue12403/Parsable");
     mid_Parsable_FromJSON = (*env)->GetMethodID(env, clazz, "fromJSON", "(Ljava/lang/String;)Ljava/lang/String;");
     mid_Parsable_ToJSON = (*env)->GetMethodID(env, clazz, "toJSON", "()Ljava/lang/String;");
     
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_issue12403_Issue12403_00024proxyParsable_fromJSON(JNIEnv* env, jobject __this__, jstring jstr) {
+Java_issue12403_Issue12403_00024proxyParsable_fromJSON(JNIEnv* env, jobject __this__, jstring jstr) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     nstring _jstr = go_seq_from_java_string(env, jstr);
     nstring r0 = proxyissue12403_Parsable_FromJSON(o, _jstr);
@@ -46,7 +46,7 @@
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_issue12403_Issue12403_00024proxyParsable_toJSON(JNIEnv* env, jobject __this__) {
+Java_issue12403_Issue12403_00024proxyParsable_toJSON(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     struct proxyissue12403_Parsable_ToJSON_return res = proxyissue12403_Parsable_ToJSON(o);
     jstring _r0 = go_seq_to_java_string(env, res.r0);
diff --git a/bind/testdata/issue12403.java.golden b/bind/testdata/issue12403.java.golden
index 50c81af..290ef26 100644
--- a/bind/testdata/issue12403.java.golden
+++ b/bind/testdata/issue12403.java.golden
@@ -1,8 +1,8 @@
-// Java class go.issue12403.Parsable is a proxy for talking to a Go program.
+// Java class issue12403.Parsable is a proxy for talking to a Go program.
 //   gobind -lang=java issue12403
 //
 // File is generated by gobind. Do not edit.
-package go.issue12403;
+package issue12403;
 
 import go.Seq;
 
@@ -12,11 +12,11 @@
     
 }
 
-// Java class go.issue12403.Issue12403 is a proxy for talking to a Go program.
+// Java class issue12403.Issue12403 is a proxy for talking to a Go program.
 //   gobind -lang=java issue12403
 //
 // File is generated by gobind. Do not edit.
-package go.issue12403;
+package issue12403;
 
 import go.Seq;
 
diff --git a/bind/testdata/java.java.c.golden b/bind/testdata/java.java.c.golden
index 26b7f24..3fadda6 100644
--- a/bind/testdata/java.java.c.golden
+++ b/bind/testdata/java.java.c.golden
@@ -47,27 +47,27 @@
 jmethodID proxy_class_java_S_cons;
 
 JNIEXPORT void JNICALL
-Java_go_java_Java__1init(JNIEnv *env, jclass _unused) {
+Java_java_Java__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/java/Java$proxyF");
+    clazz = (*env)->FindClass(env, "java/Java$proxyF");
     proxy_class_java_F = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_F_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/F");
+    clazz = (*env)->FindClass(env, "java/F");
     
-    clazz = (*env)->FindClass(env, "go/java/Java$proxyO");
+    clazz = (*env)->FindClass(env, "java/Java$proxyO");
     proxy_class_java_O = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_O_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/O");
+    clazz = (*env)->FindClass(env, "java/O");
     
-    clazz = (*env)->FindClass(env, "go/java/Java$proxyR");
+    clazz = (*env)->FindClass(env, "java/Java$proxyR");
     proxy_class_java_R = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_R_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/R");
+    clazz = (*env)->FindClass(env, "java/R");
     
-    clazz = (*env)->FindClass(env, "go/java/Java$proxyS");
+    clazz = (*env)->FindClass(env, "java/Java$proxyS");
     proxy_class_java_S = (*env)->NewGlobalRef(env, clazz);
     proxy_class_java_S_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/java/S");
+    clazz = (*env)->FindClass(env, "java/S");
     
 }
 
diff --git a/bind/testdata/java.java.golden b/bind/testdata/java.java.golden
index 7a01da8..f2472fc 100644
--- a/bind/testdata/java.java.golden
+++ b/bind/testdata/java.java.golden
@@ -1,8 +1,8 @@
-// Java class go.java.F is a proxy for talking to a Go program.
+// Java class java.F is a proxy for talking to a Go program.
 //   gobind -lang=java java
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -10,11 +10,11 @@
     
 }
 
-// Java class go.java.O is a proxy for talking to a Go program.
+// Java class java.O is a proxy for talking to a Go program.
 //   gobind -lang=java java
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -22,11 +22,11 @@
     
 }
 
-// Java class go.java.R is a proxy for talking to a Go program.
+// Java class java.R is a proxy for talking to a Go program.
 //   gobind -lang=java java
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -34,11 +34,11 @@
     
 }
 
-// Java class go.java.S is a proxy for talking to a Go program.
+// Java class java.S is a proxy for talking to a Go program.
 //   gobind -lang=java java
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
@@ -46,11 +46,11 @@
     
 }
 
-// Java class go.java.Java is a proxy for talking to a Go program.
+// Java class java.Java is a proxy for talking to a Go program.
 //   gobind -lang=java java
 //
 // File is generated by gobind. Do not edit.
-package go.java;
+package java;
 
 import go.Seq;
 
diff --git a/bind/testdata/keywords.java.c.golden b/bind/testdata/keywords.java.c.golden
index 9dd20f6..5e1fa46 100644
--- a/bind/testdata/keywords.java.c.golden
+++ b/bind/testdata/keywords.java.c.golden
@@ -66,12 +66,12 @@
 static jmethodID mid_KeywordCaller_While;
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords__1init(JNIEnv *env, jclass _unused) {
+Java_keywords_Keywords__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/keywords/Keywords$proxyKeywordCaller");
+    clazz = (*env)->FindClass(env, "keywords/Keywords$proxyKeywordCaller");
     proxy_class_keywords_KeywordCaller = (*env)->NewGlobalRef(env, clazz);
     proxy_class_keywords_KeywordCaller_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/keywords/KeywordCaller");
+    clazz = (*env)->FindClass(env, "keywords/KeywordCaller");
     mid_KeywordCaller_Abstract = (*env)->GetMethodID(env, clazz, "abstract_", "()V");
     mid_KeywordCaller_Assert = (*env)->GetMethodID(env, clazz, "assert_", "()V");
     mid_KeywordCaller_Boolean = (*env)->GetMethodID(env, clazz, "boolean_", "()V");
@@ -129,19 +129,19 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_const_1(JNIEnv* env, jclass _clazz, jstring id) {
+Java_keywords_Keywords_const_1(JNIEnv* env, jclass _clazz, jstring id) {
     nstring _id = go_seq_from_java_string(env, id);
     proxykeywords__Const(_id);
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_static_1(JNIEnv* env, jclass _clazz, jstring strictfp_) {
+Java_keywords_Keywords_static_1(JNIEnv* env, jclass _clazz, jstring strictfp_) {
     nstring _strictfp_ = go_seq_from_java_string(env, strictfp_);
     proxykeywords__Static(_strictfp_);
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_abstract_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_abstract_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Abstract(o);
 }
@@ -154,7 +154,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_assert_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_assert_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Assert(o);
 }
@@ -167,7 +167,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_boolean_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_boolean_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Boolean(o);
 }
@@ -180,7 +180,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_break_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_break_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Break(o);
 }
@@ -193,7 +193,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_byte_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_byte_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Byte(o);
 }
@@ -206,7 +206,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_case_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_case_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Case(o);
 }
@@ -219,7 +219,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_catch_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_catch_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Catch(o);
 }
@@ -232,7 +232,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_char_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_char_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Char(o);
 }
@@ -245,7 +245,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_class_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_class_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Class(o);
 }
@@ -258,7 +258,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_const_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_const_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Const(o);
 }
@@ -271,7 +271,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_continue_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_continue_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Continue(o);
 }
@@ -284,7 +284,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_default_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_default_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Default(o);
 }
@@ -297,7 +297,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_do_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_do_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Do(o);
 }
@@ -310,7 +310,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_double_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_double_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Double(o);
 }
@@ -323,7 +323,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_else_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_else_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Else(o);
 }
@@ -336,7 +336,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_enum_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_enum_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Enum(o);
 }
@@ -349,7 +349,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_extends_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_extends_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Extends(o);
 }
@@ -362,7 +362,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_false_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_false_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_False(o);
 }
@@ -375,7 +375,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_final_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_final_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Final(o);
 }
@@ -388,7 +388,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_finally_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_finally_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Finally(o);
 }
@@ -401,7 +401,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_float_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_float_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Float(o);
 }
@@ -414,7 +414,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_for_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_for_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_For(o);
 }
@@ -427,7 +427,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_goto_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_goto_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Goto(o);
 }
@@ -440,7 +440,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_if_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_if_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_If(o);
 }
@@ -453,7 +453,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_implements_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_implements_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Implements(o);
 }
@@ -466,7 +466,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_import_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_import_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Import(o);
 }
@@ -479,7 +479,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_instanceof_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_instanceof_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Instanceof(o);
 }
@@ -492,7 +492,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_int_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_int_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Int(o);
 }
@@ -505,7 +505,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_interface_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_interface_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Interface(o);
 }
@@ -518,7 +518,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_long_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_long_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Long(o);
 }
@@ -531,7 +531,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_native_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_native_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Native(o);
 }
@@ -544,7 +544,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_new_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_new_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_New(o);
 }
@@ -557,7 +557,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_null_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_null_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Null(o);
 }
@@ -570,7 +570,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_package_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_package_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Package(o);
 }
@@ -583,7 +583,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_private_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_private_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Private(o);
 }
@@ -596,7 +596,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_protected_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_protected_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Protected(o);
 }
@@ -609,7 +609,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_public_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_public_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Public(o);
 }
@@ -622,7 +622,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_return_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_return_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Return(o);
 }
@@ -635,7 +635,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_short_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_short_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Short(o);
 }
@@ -648,7 +648,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_static_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_static_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Static(o);
 }
@@ -661,7 +661,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_strictfp_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_strictfp_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Strictfp(o);
 }
@@ -674,7 +674,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_super_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_super_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Super(o);
 }
@@ -687,7 +687,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_switch_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_switch_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Switch(o);
 }
@@ -700,7 +700,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_synchronized_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_synchronized_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Synchronized(o);
 }
@@ -713,7 +713,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_this_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_this_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_This(o);
 }
@@ -726,7 +726,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_throw_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_throw_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Throw(o);
 }
@@ -739,7 +739,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_throws_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_throws_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Throws(o);
 }
@@ -752,7 +752,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_transient_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_transient_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Transient(o);
 }
@@ -765,7 +765,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_true_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_true_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_True(o);
 }
@@ -778,7 +778,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_try_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_try_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Try(o);
 }
@@ -791,7 +791,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_void_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_void_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Void(o);
 }
@@ -804,7 +804,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_volatile_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_volatile_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_Volatile(o);
 }
@@ -817,7 +817,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_keywords_Keywords_00024proxyKeywordCaller_while_1(JNIEnv* env, jobject __this__) {
+Java_keywords_Keywords_00024proxyKeywordCaller_while_1(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxykeywords_KeywordCaller_While(o);
 }
diff --git a/bind/testdata/keywords.java.golden b/bind/testdata/keywords.java.golden
index 4334f81..23d2d6c 100644
--- a/bind/testdata/keywords.java.golden
+++ b/bind/testdata/keywords.java.golden
@@ -1,8 +1,8 @@
-// Java class go.keywords.KeywordCaller is a proxy for talking to a Go program.
+// Java class keywords.KeywordCaller is a proxy for talking to a Go program.
 //   gobind -lang=java keywords
 //
 // File is generated by gobind. Do not edit.
-package go.keywords;
+package keywords;
 
 import go.Seq;
 
@@ -63,11 +63,11 @@
     
 }
 
-// Java class go.keywords.Keywords is a proxy for talking to a Go program.
+// Java class keywords.Keywords is a proxy for talking to a Go program.
 //   gobind -lang=java keywords
 //
 // File is generated by gobind. Do not edit.
-package go.keywords;
+package keywords;
 
 import go.Seq;
 
diff --git a/bind/testdata/structs.java.c.golden b/bind/testdata/structs.java.c.golden
index 9b84a2f..52ca312 100644
--- a/bind/testdata/structs.java.c.golden
+++ b/bind/testdata/structs.java.c.golden
@@ -18,24 +18,24 @@
 jmethodID proxy_class_structs_S2_cons;
 
 JNIEXPORT void JNICALL
-Java_go_structs_Structs__1init(JNIEnv *env, jclass _unused) {
+Java_structs_Structs__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/structs/S");
+    clazz = (*env)->FindClass(env, "structs/S");
     proxy_class_structs_S = (*env)->NewGlobalRef(env, clazz);
     proxy_class_structs_S_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/structs/S2");
+    clazz = (*env)->FindClass(env, "structs/S2");
     proxy_class_structs_S2 = (*env)->NewGlobalRef(env, clazz);
     proxy_class_structs_S2_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/structs/Structs$proxyI");
+    clazz = (*env)->FindClass(env, "structs/Structs$proxyI");
     proxy_class_structs_I = (*env)->NewGlobalRef(env, clazz);
     proxy_class_structs_I_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/structs/I");
+    clazz = (*env)->FindClass(env, "structs/I");
     mid_I_M = (*env)->GetMethodID(env, clazz, "m", "()V");
     
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_structs_Structs_identity(JNIEnv* env, jclass _clazz, jobject s) {
+Java_structs_Structs_identity(JNIEnv* env, jclass _clazz, jobject s) {
     int32_t _s = go_seq_to_refnum(env, s);
     int32_t r0 = proxystructs__Identity(_s);
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_structs_S, proxy_class_structs_S_cons);
@@ -43,7 +43,7 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_structs_Structs_identityWithError(JNIEnv* env, jclass _clazz, jobject s) {
+Java_structs_Structs_identityWithError(JNIEnv* env, jclass _clazz, jobject s) {
     int32_t _s = go_seq_to_refnum(env, s);
     struct proxystructs__IdentityWithError_return res = proxystructs__IdentityWithError(_s);
     jobject _r0 = go_seq_from_refnum(env, res.r0, proxy_class_structs_S, proxy_class_structs_S_cons);
@@ -53,13 +53,13 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_structs_S__1_1New(JNIEnv *env, jclass clazz) {
+Java_structs_S__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_structs_S();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_structs_S_identity(JNIEnv* env, jobject __this__) {
+Java_structs_S_identity(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     struct proxystructs_S_Identity_return res = proxystructs_S_Identity(o);
     jobject _r0 = go_seq_from_refnum(env, res.r0, proxy_class_structs_S, proxy_class_structs_S_cons);
@@ -69,7 +69,7 @@
 }
 
 JNIEXPORT jdouble JNICALL
-Java_go_structs_S_sum(JNIEnv* env, jobject __this__) {
+Java_structs_S_sum(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     double r0 = proxystructs_S_Sum(o);
     jdouble _r0 = (jdouble)r0;
@@ -77,14 +77,14 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_structs_S_setX(JNIEnv *env, jobject this, jdouble v) {
+Java_structs_S_setX(JNIEnv *env, jobject this, jdouble v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     double _v = (double)v;
     proxystructs_S_X_Set(o, _v);
 }
 
 JNIEXPORT jdouble JNICALL
-Java_go_structs_S_getX(JNIEnv *env, jobject this) {
+Java_structs_S_getX(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     double r0 = proxystructs_S_X_Get(o);
     jdouble _r0 = (jdouble)r0;
@@ -92,14 +92,14 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_structs_S_setY(JNIEnv *env, jobject this, jdouble v) {
+Java_structs_S_setY(JNIEnv *env, jobject this, jdouble v) {
     int32_t o = go_seq_to_refnum_go(env, this);
     double _v = (double)v;
     proxystructs_S_Y_Set(o, _v);
 }
 
 JNIEXPORT jdouble JNICALL
-Java_go_structs_S_getY(JNIEnv *env, jobject this) {
+Java_structs_S_getY(JNIEnv *env, jobject this) {
     int32_t o = go_seq_to_refnum_go(env, this);
     double r0 = proxystructs_S_Y_Get(o);
     jdouble _r0 = (jdouble)r0;
@@ -107,19 +107,19 @@
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_structs_S2__1_1New(JNIEnv *env, jclass clazz) {
+Java_structs_S2__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_structs_S2();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_structs_S2_m(JNIEnv* env, jobject __this__) {
+Java_structs_S2_m(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxystructs_S2_M(o);
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_structs_S2_string(JNIEnv* env, jobject __this__) {
+Java_structs_S2_string(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     nstring r0 = proxystructs_S2_String(o);
     jstring _r0 = go_seq_to_java_string(env, r0);
@@ -127,7 +127,7 @@
 }
 
 JNIEXPORT void JNICALL
-Java_go_structs_Structs_00024proxyI_m(JNIEnv* env, jobject __this__) {
+Java_structs_Structs_00024proxyI_m(JNIEnv* env, jobject __this__) {
     int32_t o = go_seq_to_refnum_go(env, __this__);
     proxystructs_I_M(o);
 }
diff --git a/bind/testdata/structs.java.golden b/bind/testdata/structs.java.golden
index 416973f..9f5009e 100644
--- a/bind/testdata/structs.java.golden
+++ b/bind/testdata/structs.java.golden
@@ -1,8 +1,8 @@
-// Java class go.structs.S is a proxy for talking to a Go program.
+// Java class structs.S is a proxy for talking to a Go program.
 //   gobind -lang=java structs
 //
 // File is generated by gobind. Do not edit.
-package go.structs;
+package structs;
 
 import go.Seq;
 
@@ -62,11 +62,11 @@
     }
 }
 
-// Java class go.structs.S2 is a proxy for talking to a Go program.
+// Java class structs.S2 is a proxy for talking to a Go program.
 //   gobind -lang=java structs
 //
 // File is generated by gobind. Do not edit.
-package go.structs;
+package structs;
 
 import go.Seq;
 
@@ -106,11 +106,11 @@
     }
 }
 
-// Java class go.structs.I is a proxy for talking to a Go program.
+// Java class structs.I is a proxy for talking to a Go program.
 //   gobind -lang=java structs
 //
 // File is generated by gobind. Do not edit.
-package go.structs;
+package structs;
 
 import go.Seq;
 
@@ -119,11 +119,11 @@
     
 }
 
-// Java class go.structs.Structs is a proxy for talking to a Go program.
+// Java class structs.Structs is a proxy for talking to a Go program.
 //   gobind -lang=java structs
 //
 // File is generated by gobind. Do not edit.
-package go.structs;
+package structs;
 
 import go.Seq;
 
diff --git a/bind/testdata/try.java.c.golden b/bind/testdata/try.java.c.golden
index f31ec12..232822f 100644
--- a/bind/testdata/try.java.c.golden
+++ b/bind/testdata/try.java.c.golden
@@ -11,12 +11,12 @@
 
 
 JNIEXPORT void JNICALL
-Java_go_try__Try__1init(JNIEnv *env, jclass _unused) {
+Java_try__Try__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_try__Try_this_1(JNIEnv* env, jclass _clazz) {
+Java_try__Try_this_1(JNIEnv* env, jclass _clazz) {
     nstring r0 = proxytry__This();
     jstring _r0 = go_seq_to_java_string(env, r0);
     return _r0;
diff --git a/bind/testdata/try.java.golden b/bind/testdata/try.java.golden
index 044e424..ac27fd9 100644
--- a/bind/testdata/try.java.golden
+++ b/bind/testdata/try.java.golden
@@ -1,8 +1,8 @@
-// Java class go.try_.Try is a proxy for talking to a Go program.
+// Java class try_.Try is a proxy for talking to a Go program.
 //   gobind -lang=java try
 //
 // File is generated by gobind. Do not edit.
-package go.try_;
+package try_;
 
 import go.Seq;
 
diff --git a/bind/testdata/vars.java.c.golden b/bind/testdata/vars.java.c.golden
index eb491d3..ff5e77c 100644
--- a/bind/testdata/vars.java.c.golden
+++ b/bind/testdata/vars.java.c.golden
@@ -15,175 +15,175 @@
 jmethodID proxy_class_vars_S_cons;
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars__1init(JNIEnv *env, jclass _unused) {
+Java_vars_Vars__1init(JNIEnv *env, jclass _unused) {
     jclass clazz;
-    clazz = (*env)->FindClass(env, "go/vars/S");
+    clazz = (*env)->FindClass(env, "vars/S");
     proxy_class_vars_S = (*env)->NewGlobalRef(env, clazz);
     proxy_class_vars_S_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/vars/Vars$proxyI");
+    clazz = (*env)->FindClass(env, "vars/Vars$proxyI");
     proxy_class_vars_I = (*env)->NewGlobalRef(env, clazz);
     proxy_class_vars_I_cons = (*env)->GetMethodID(env, clazz, "<init>", "(Lgo/Seq$Ref;)V");
-    clazz = (*env)->FindClass(env, "go/vars/I");
+    clazz = (*env)->FindClass(env, "vars/I");
     
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_vars_S__1_1New(JNIEnv *env, jclass clazz) {
+Java_vars_S__1_1New(JNIEnv *env, jclass clazz) {
     int32_t refnum = new_vars_S();
     return go_seq_from_refnum(env, refnum, NULL, NULL);
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setABool(JNIEnv *env, jclass clazz, jboolean v) {
+Java_vars_Vars_setABool(JNIEnv *env, jclass clazz, jboolean v) {
     char _v = (char)v;
     var_setvars_ABool(_v);
 }
 
 JNIEXPORT jboolean JNICALL
-Java_go_vars_Vars_getABool(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getABool(JNIEnv *env, jclass clazz) {
     char r0 = var_getvars_ABool();
     jboolean _r0 = r0 ? JNI_TRUE : JNI_FALSE;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAFloat(JNIEnv *env, jclass clazz, jdouble v) {
+Java_vars_Vars_setAFloat(JNIEnv *env, jclass clazz, jdouble v) {
     double _v = (double)v;
     var_setvars_AFloat(_v);
 }
 
 JNIEXPORT jdouble JNICALL
-Java_go_vars_Vars_getAFloat(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAFloat(JNIEnv *env, jclass clazz) {
     double r0 = var_getvars_AFloat();
     jdouble _r0 = (jdouble)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAFloat32(JNIEnv *env, jclass clazz, jfloat v) {
+Java_vars_Vars_setAFloat32(JNIEnv *env, jclass clazz, jfloat v) {
     float _v = (float)v;
     var_setvars_AFloat32(_v);
 }
 
 JNIEXPORT jfloat JNICALL
-Java_go_vars_Vars_getAFloat32(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAFloat32(JNIEnv *env, jclass clazz) {
     float r0 = var_getvars_AFloat32();
     jfloat _r0 = (jfloat)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAFloat64(JNIEnv *env, jclass clazz, jdouble v) {
+Java_vars_Vars_setAFloat64(JNIEnv *env, jclass clazz, jdouble v) {
     double _v = (double)v;
     var_setvars_AFloat64(_v);
 }
 
 JNIEXPORT jdouble JNICALL
-Java_go_vars_Vars_getAFloat64(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAFloat64(JNIEnv *env, jclass clazz) {
     double r0 = var_getvars_AFloat64();
     jdouble _r0 = (jdouble)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAString(JNIEnv *env, jclass clazz, jstring v) {
+Java_vars_Vars_setAString(JNIEnv *env, jclass clazz, jstring v) {
     nstring _v = go_seq_from_java_string(env, v);
     var_setvars_AString(_v);
 }
 
 JNIEXPORT jstring JNICALL
-Java_go_vars_Vars_getAString(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAString(JNIEnv *env, jclass clazz) {
     nstring r0 = var_getvars_AString();
     jstring _r0 = go_seq_to_java_string(env, r0);
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAStructPtr(JNIEnv *env, jclass clazz, jobject v) {
+Java_vars_Vars_setAStructPtr(JNIEnv *env, jclass clazz, jobject v) {
     int32_t _v = go_seq_to_refnum(env, v);
     var_setvars_AStructPtr(_v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_vars_Vars_getAStructPtr(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAStructPtr(JNIEnv *env, jclass clazz) {
     int32_t r0 = var_getvars_AStructPtr();
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_vars_S, proxy_class_vars_S_cons);
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInt(JNIEnv *env, jclass clazz, jlong v) {
+Java_vars_Vars_setAnInt(JNIEnv *env, jclass clazz, jlong v) {
     nint _v = (nint)v;
     var_setvars_AnInt(_v);
 }
 
 JNIEXPORT jlong JNICALL
-Java_go_vars_Vars_getAnInt(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInt(JNIEnv *env, jclass clazz) {
     nint r0 = var_getvars_AnInt();
     jlong _r0 = (jlong)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInt16(JNIEnv *env, jclass clazz, jshort v) {
+Java_vars_Vars_setAnInt16(JNIEnv *env, jclass clazz, jshort v) {
     int16_t _v = (int16_t)v;
     var_setvars_AnInt16(_v);
 }
 
 JNIEXPORT jshort JNICALL
-Java_go_vars_Vars_getAnInt16(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInt16(JNIEnv *env, jclass clazz) {
     int16_t r0 = var_getvars_AnInt16();
     jshort _r0 = (jshort)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInt32(JNIEnv *env, jclass clazz, jint v) {
+Java_vars_Vars_setAnInt32(JNIEnv *env, jclass clazz, jint v) {
     int32_t _v = (int32_t)v;
     var_setvars_AnInt32(_v);
 }
 
 JNIEXPORT jint JNICALL
-Java_go_vars_Vars_getAnInt32(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInt32(JNIEnv *env, jclass clazz) {
     int32_t r0 = var_getvars_AnInt32();
     jint _r0 = (jint)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInt64(JNIEnv *env, jclass clazz, jlong v) {
+Java_vars_Vars_setAnInt64(JNIEnv *env, jclass clazz, jlong v) {
     int64_t _v = (int64_t)v;
     var_setvars_AnInt64(_v);
 }
 
 JNIEXPORT jlong JNICALL
-Java_go_vars_Vars_getAnInt64(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInt64(JNIEnv *env, jclass clazz) {
     int64_t r0 = var_getvars_AnInt64();
     jlong _r0 = (jlong)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInt8(JNIEnv *env, jclass clazz, jbyte v) {
+Java_vars_Vars_setAnInt8(JNIEnv *env, jclass clazz, jbyte v) {
     int8_t _v = (int8_t)v;
     var_setvars_AnInt8(_v);
 }
 
 JNIEXPORT jbyte JNICALL
-Java_go_vars_Vars_getAnInt8(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInt8(JNIEnv *env, jclass clazz) {
     int8_t r0 = var_getvars_AnInt8();
     jbyte _r0 = (jbyte)r0;
     return _r0;
 }
 
 JNIEXPORT void JNICALL
-Java_go_vars_Vars_setAnInterface(JNIEnv *env, jclass clazz, jobject v) {
+Java_vars_Vars_setAnInterface(JNIEnv *env, jclass clazz, jobject v) {
     int32_t _v = go_seq_to_refnum(env, v);
     var_setvars_AnInterface(_v);
 }
 
 JNIEXPORT jobject JNICALL
-Java_go_vars_Vars_getAnInterface(JNIEnv *env, jclass clazz) {
+Java_vars_Vars_getAnInterface(JNIEnv *env, jclass clazz) {
     int32_t r0 = var_getvars_AnInterface();
     jobject _r0 = go_seq_from_refnum(env, r0, proxy_class_vars_I, proxy_class_vars_I_cons);
     return _r0;
diff --git a/bind/testdata/vars.java.golden b/bind/testdata/vars.java.golden
index 27450df..2e6b49d 100644
--- a/bind/testdata/vars.java.golden
+++ b/bind/testdata/vars.java.golden
@@ -1,8 +1,8 @@
-// Java class go.vars.S is a proxy for talking to a Go program.
+// Java class vars.S is a proxy for talking to a Go program.
 //   gobind -lang=java vars
 //
 // File is generated by gobind. Do not edit.
-package go.vars;
+package vars;
 
 import go.Seq;
 
@@ -42,11 +42,11 @@
     }
 }
 
-// Java class go.vars.I is a proxy for talking to a Go program.
+// Java class vars.I is a proxy for talking to a Go program.
 //   gobind -lang=java vars
 //
 // File is generated by gobind. Do not edit.
-package go.vars;
+package vars;
 
 import go.Seq;
 
@@ -54,11 +54,11 @@
     
 }
 
-// Java class go.vars.Vars is a proxy for talking to a Go program.
+// Java class vars.Vars is a proxy for talking to a Go program.
 //   gobind -lang=java vars
 //
 // File is generated by gobind. Do not edit.
-package go.vars;
+package vars;
 
 import go.Seq;
 
diff --git a/bind/testpkg/javapkg/classes.go b/bind/testpkg/javapkg/classes.go
index f18b920..5ce80ca 100644
--- a/bind/testpkg/javapkg/classes.go
+++ b/bind/testpkg/javapkg/classes.go
@@ -7,7 +7,6 @@
 package javapkg
 
 import (
-	gopkg "Java/go/javapkg"
 	"Java/java/beans"
 	"Java/java/io"
 	"Java/java/io/IOException"
@@ -19,6 +18,7 @@
 	"Java/java/net"
 	"Java/java/util"
 	"Java/java/util/concurrent"
+	gopkg "Java/javapkg"
 	xnet "Java/javax/net"
 )
 
diff --git a/cmd/gobind/main.go b/cmd/gobind/main.go
index 86f02d3..ef42cd1 100644
--- a/cmd/gobind/main.go
+++ b/cmd/gobind/main.go
@@ -25,8 +25,8 @@
 var (
 	lang          = flag.String("lang", "java", "target language for bindings, either java, go, or objc (experimental).")
 	outdir        = flag.String("outdir", "", "result will be written to the directory instead of stdout.")
-	javaPkg       = flag.String("javapkg", "", "custom Java package path prefix used instead of the default 'go'. Valid only with -lang=java.")
-	prefix        = flag.String("prefix", "", "custom Objective-C name prefix used instead of the default 'Go'. Valid only with -lang=objc.")
+	javaPkg       = flag.String("javapkg", "", "custom Java package path prefix. Valid only with -lang=java.")
+	prefix        = flag.String("prefix", "", "custom Objective-C name prefix. Valid only with -lang=objc.")
 	bootclasspath = flag.String("bootclasspath", "", "Java bootstrap classpath.")
 	classpath     = flag.String("classpath", "", "Java classpath.")
 )
@@ -60,17 +60,10 @@
 		log.Fatal(err)
 	}
 	if len(refs.Refs) > 0 {
-		pref := *javaPkg
-		if pref == "" {
-			pref = "go"
-		}
-		if pref != "" {
-			pref = pref + "."
-		}
 		imp := &java.Importer{
 			Bootclasspath: *bootclasspath,
 			Classpath:     *classpath,
-			JavaPkgPrefix: pref,
+			JavaPkg:       *javaPkg,
 		}
 		classes, err = imp.Import(refs)
 		if err != nil {
@@ -84,7 +77,11 @@
 			defer os.RemoveAll(tmpGopath)
 			var genNames []string
 			for _, emb := range refs.Embedders {
-				genNames = append(genNames, pref+emb.Pkg+"."+emb.Name)
+				n := emb.Pkg + "." + emb.Name
+				if *javaPkg != "" {
+					n = *javaPkg + "." + n
+				}
+				genNames = append(genNames, n)
 			}
 			if err := genJavaPackages(ctx, tmpGopath, classes, genNames); err != nil {
 				log.Fatal(err)
diff --git a/cmd/gomobile/bind.go b/cmd/gomobile/bind.go
index 9bef68a..e9a685b 100644
--- a/cmd/gomobile/bind.go
+++ b/cmd/gomobile/bind.go
@@ -149,9 +149,9 @@
 func init() {
 	// bind command specific commands.
 	cmdBind.flag.StringVar(&bindJavaPkg, "javapkg", "",
-		"specifies custom Java package path prefix used instead of the default 'go'. Valid only with -target=android.")
+		"specifies custom Java package path prefix. Valid only with -target=android.")
 	cmdBind.flag.StringVar(&bindPrefix, "prefix", "",
-		"custom Objective-C name prefix used instead of the default 'Go'. Valid only with -target=ios.")
+		"custom Objective-C name prefix. Valid only with -target=ios.")
 	cmdBind.flag.StringVar(&bindClasspath, "classpath", "", "The classpath for imported Java classes. Valid only with -target=android.")
 	cmdBind.flag.StringVar(&bindBootClasspath, "bootclasspath", "", "The bootstrap classpath for imported Java classes. Valid only with -target=android.")
 }
@@ -391,17 +391,10 @@
 	if err != nil {
 		return nil, err
 	}
-	pref := bindJavaPkg
-	if pref == "" {
-		pref = "go"
-	}
-	if pref != "" {
-		pref = pref + "."
-	}
 	imp := &java.Importer{
 		Bootclasspath: bClspath,
 		Classpath:     bindClasspath,
-		JavaPkgPrefix: pref,
+		JavaPkg:       bindJavaPkg,
 	}
 	classes, err := imp.Import(refs)
 	if err != nil {
@@ -416,7 +409,11 @@
 	}
 	var genNames []string
 	for _, emb := range refs.Embedders {
-		genNames = append(genNames, pref+emb.Pkg+"."+emb.Name)
+		n := emb.Pkg + "." + emb.Name
+		if bindJavaPkg != "" {
+			n = bindJavaPkg + "." + n
+		}
+		genNames = append(genNames, n)
 	}
 	g.Init(classes, genNames)
 	for i, jpkg := range g.Packages() {
@@ -495,12 +492,10 @@
 	var className string
 	pkgName := ""
 	pkgPath := ""
-	javaPkg := ""
 	if pkg != nil {
 		className = strings.Title(pkg.Name())
 		pkgName = pkg.Name()
 		pkgPath = pkg.Path()
-		javaPkg = bindJavaPkg
 	} else {
 		pkgName = "universe"
 		className = "Universe"
@@ -509,13 +504,13 @@
 	cFile := filepath.Join(outdir, "java_"+pkgName+".c")
 	hFile := filepath.Join(outdir, pkgName+".h")
 	bindOption := "-lang=java"
-	if javaPkg != "" {
-		bindOption += " -javapkg=" + javaPkg
+	if bindJavaPkg != "" {
+		bindOption += " -javapkg=" + bindJavaPkg
 	}
 
 	var buf bytes.Buffer
 	g := &bind.JavaGen{
-		JavaPkg: javaPkg,
+		JavaPkg: bindJavaPkg,
 		Generator: &bind.Generator{
 			Printer: &bind.Printer{Buf: &buf, IndentEach: []byte("    ")},
 			Fset:    b.fset,
diff --git a/cmd/gomobile/bind_test.go b/cmd/gomobile/bind_test.go
index 4f19be6..61bfe07 100644
--- a/cmd/gomobile/bind_test.go
+++ b/cmd/gomobile/bind_test.go
@@ -45,7 +45,7 @@
 	}{
 		{
 			wantGobind: "gobind -lang=java",
-			wantPkgDir: "go/asset",
+			wantPkgDir: "asset",
 		},
 		{
 			javaPkg:    "com.example.foo",
@@ -121,7 +121,7 @@
 mkdir -p $WORK/gomobile_bind
 mkdir -p $WORK/gomobile_bind
 mkdir -p $WORK/android/src/main/java/go
-gobind -lang=java -outdir=$WORK/android/src/main/java/go 
+{{.GobindJavaCmd}} -outdir=$WORK/android/src/main/java/go 
 mkdir -p $WORK/android/src/main/java/go
 mkdir -p $WORK/gomobile_bind
 mkdir -p $WORK/gomobile_bind
diff --git a/cmd/gomobile/doc.go b/cmd/gomobile/doc.go
index bdf942f..000a95f 100644
--- a/cmd/gomobile/doc.go
+++ b/cmd/gomobile/doc.go
@@ -56,7 +56,7 @@
 (version 1.7+) and Android SDK (API level 15 or newer) to build the
 library for Android. The environment variable ANDROID_HOME must be set
 to the path to Android SDK. The generated Java class is in the java
-package 'go.<package_name>' unless -javapkg flag is specified.
+package '<package_name>' unless -javapkg flag is specified.
 
 By default, -target=android builds shared libraries for all supported
 instruction sets (arm, arm64, 386, amd64). A subset of instruction sets
@@ -64,8 +64,8 @@
 -target=android/arm,android/386.
 
 For -target ios, gomobile must be run on an OS X machine with Xcode
-installed. Support is not complete. The generated Objective-C types
-are prefixed with 'Go' unless the -prefix flag is provided.
+installed. Support is not complete. The -prefix flag can be used to prefix
+the names of generated Objective-C types.
 
 The -v flag provides verbose output, including the list of packages built.
 
diff --git a/example/bind/android/app/src/main/java/org/golang/example/bind/MainActivity.java b/example/bind/android/app/src/main/java/org/golang/example/bind/MainActivity.java
index 98d273d..47248d9 100644
--- a/example/bind/android/app/src/main/java/org/golang/example/bind/MainActivity.java
+++ b/example/bind/android/app/src/main/java/org/golang/example/bind/MainActivity.java
@@ -10,8 +10,7 @@
 import android.os.Bundle;
 import android.widget.TextView;
 
-import go.hello.Hello;
-
+import hello.Hello;
 
 public class MainActivity extends Activity {
 
diff --git a/example/ivy/android/build.gradle b/example/ivy/android/build.gradle
index a6fcfe1..b193299 100644
--- a/example/ivy/android/build.gradle
+++ b/example/ivy/android/build.gradle
@@ -5,7 +5,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:2.2.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/example/reverse/android/src/main/AndroidManifest.xml b/example/reverse/android/src/main/AndroidManifest.xml
index 0704280..21604d8 100644
--- a/example/reverse/android/src/main/AndroidManifest.xml
+++ b/example/reverse/android/src/main/AndroidManifest.xml
@@ -3,7 +3,7 @@
      Use of this source code is governed by a BSD-style
      license that can be found in the LICENSE file.  -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="go.reverse" >
+    package="reverse" >
 
     <application
         android:label="ReverseBindExample">
diff --git a/example/reverse/android/src/main/res/layout/activity_main.xml b/example/reverse/android/src/main/res/layout/activity_main.xml
index e7aaba2..ee94e47 100644
--- a/example/reverse/android/src/main/res/layout/activity_main.xml
+++ b/example/reverse/android/src/main/res/layout/activity_main.xml
@@ -4,7 +4,7 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 	<data>
-		<variable name="act" type="go.reverse.MainActivity"/>
+		<variable name="act" type="reverse.MainActivity"/>
 	</data>
 	<RelativeLayout
 		android:layout_width="match_parent"
diff --git a/example/reverse/reverse/reverse.go b/example/reverse/reverse/reverse.go
index a07d834..4ec6d99 100644
--- a/example/reverse/reverse/reverse.go
+++ b/example/reverse/reverse/reverse.go
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package reverse implements an Android in Go
+// Package reverse implements an Android app in 100% Go.
 package reverse
 
 import (
 	"Java/android/databinding/DataBindingUtil"
 	"Java/android/os"
 	"Java/android/support/v7/app"
-	gopkg "Java/go/reverse"
-	rlayout "Java/go/reverse/R/layout"
-	"Java/go/reverse/databinding/ActivityMainBinding"
+	gopkg "Java/reverse"
+	rlayout "Java/reverse/R/layout"
+	"Java/reverse/databinding/ActivityMainBinding"
 )
 
 type MainActivity struct {
diff --git a/internal/importers/java/java.go b/internal/importers/java/java.go
index a5a898e..2b9b063 100644
--- a/internal/importers/java/java.go
+++ b/internal/importers/java/java.go
@@ -96,8 +96,8 @@
 type Importer struct {
 	Bootclasspath string
 	Classpath     string
-	// JavaPkgPrefix is java package name for generated classes.
-	JavaPkgPrefix string
+	// JavaPkg is java package name for generated classes.
+	JavaPkg string
 
 	clsMap map[string]*Class
 }
@@ -175,7 +175,10 @@
 	// generated. Allow Go code to reverse bind to those classes by synthesizing
 	// their class descriptors.
 	for _, emb := range refs.Embedders {
-		n := j.JavaPkgPrefix + emb.Pkg + "." + emb.Name
+		n := emb.Pkg + "." + emb.Name
+		if j.JavaPkg != "" {
+			n = j.JavaPkg + "." + n
+		}
 		if _, exists := j.clsMap[n]; exists {
 			continue
 		}