diff --git a/unix/syscall_netbsd.go b/unix/syscall_netbsd.go
index 4e06c0b..696fed4 100644
--- a/unix/syscall_netbsd.go
+++ b/unix/syscall_netbsd.go
@@ -110,14 +110,8 @@
 	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
 }
 
-//sysnb	pipe() (fd1 int, fd2 int, err error)
-
 func Pipe(p []int) (err error) {
-	if len(p) != 2 {
-		return EINVAL
-	}
-	p[0], p[1], err = pipe()
-	return
+	return Pipe2(p, 0)
 }
 
 //sysnb	pipe2(p *[2]_C_int, flags int) (err error)
diff --git a/unix/zsyscall_netbsd_386.go b/unix/zsyscall_netbsd_386.go
index 4726ab3..51d0c07 100644
--- a/unix/zsyscall_netbsd_386.go
+++ b/unix/zsyscall_netbsd_386.go
@@ -351,18 +351,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func pipe() (fd1 int, fd2 int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	fd1 = int(r0)
-	fd2 = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pipe2(p *[2]_C_int, flags int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_netbsd_amd64.go b/unix/zsyscall_netbsd_amd64.go
index fe71456..df2efb6 100644
--- a/unix/zsyscall_netbsd_amd64.go
+++ b/unix/zsyscall_netbsd_amd64.go
@@ -351,18 +351,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func pipe() (fd1 int, fd2 int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	fd1 = int(r0)
-	fd2 = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pipe2(p *[2]_C_int, flags int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_netbsd_arm.go b/unix/zsyscall_netbsd_arm.go
index 0b5b2f0..c8536c2 100644
--- a/unix/zsyscall_netbsd_arm.go
+++ b/unix/zsyscall_netbsd_arm.go
@@ -351,18 +351,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func pipe() (fd1 int, fd2 int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	fd1 = int(r0)
-	fd2 = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pipe2(p *[2]_C_int, flags int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_netbsd_arm64.go b/unix/zsyscall_netbsd_arm64.go
index bfca286..8b981bf 100644
--- a/unix/zsyscall_netbsd_arm64.go
+++ b/unix/zsyscall_netbsd_arm64.go
@@ -351,18 +351,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func pipe() (fd1 int, fd2 int, err error) {
-	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
-	fd1 = int(r0)
-	fd2 = int(r1)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pipe2(p *[2]_C_int, flags int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
 	if e1 != 0 {