diff --git a/debug/dwarf/frame_test.go b/debug/dwarf/frame_test.go
index 6ae2c95..6a997a6 100644
--- a/debug/dwarf/frame_test.go
+++ b/debug/dwarf/frame_test.go
@@ -77,11 +77,11 @@
 	if err != nil {
 		t.Fatal(err)
 	}
-	startPC, err := data.LookupSym("main.test")
+	startPC, err := data.LookupFunction("main.test")
 	if err != nil {
 		t.Fatal("lookup startPC:", err)
 	}
-	endPC, err := data.LookupSym("main.afterTest")
+	endPC, err := data.LookupFunction("main.afterTest")
 	if err != nil {
 		t.Fatal("lookup endPC:", err)
 	}
diff --git a/debug/dwarf/pclntab_test.go b/debug/dwarf/pclntab_test.go
index 0ca32a4..293f26f 100644
--- a/debug/dwarf/pclntab_test.go
+++ b/debug/dwarf/pclntab_test.go
@@ -116,7 +116,7 @@
 
 	// Test PCToLine.
 	// TODO: Do much more than this.
-	pc, err := data.LookupSym("linefrompc")
+	pc, err := data.LookupFunction("linefrompc")
 	if err != nil {
 		t.Fatal(err)
 	}