diff --git a/libgo/go/internal/syscall/unix/at_largefile.go b/libgo/go/internal/syscall/unix/at_largefile.go
index 82e0dcfd074..16151ecad1b 100644
--- a/libgo/go/internal/syscall/unix/at_largefile.go
+++ b/libgo/go/internal/syscall/unix/at_largefile.go
@@ -10,5 +10,5 @@ import (
 	"syscall"
 )

-//extern fstatat64
+//extern fstatat
 func fstatat(int32, *byte, *syscall.Stat_t, int32) int32
diff --git a/libgo/go/os/dir_largefile.go b/libgo/go/os/dir_largefile.go
index 1fc5ee0771f..0c6dffe1a75 100644
--- a/libgo/go/os/dir_largefile.go
+++ b/libgo/go/os/dir_largefile.go
@@ -11,5 +11,5 @@ package os

 import "syscall"

-//extern readdir64
+//extern readdir
 func libc_readdir(*syscall.DIR) *syscall.Dirent
diff --git a/libgo/go/syscall/libcall_glibc.go b/libgo/go/syscall/libcall_glibc.go
index 5c1ec483c75..5a1245ed44b 100644
--- a/libgo/go/syscall/libcall_glibc.go
+++ b/libgo/go/syscall/libcall_glibc.go
@@ -114,7 +114,7 @@ func Pipe2(p []int, flags int) (err error) {
 }

 //sys	sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, err error)
-//sendfile64(outfd _C_int, infd _C_int, offset *Offset_t, count Size_t) Ssize_t
+//sendfile(outfd _C_int, infd _C_int, offset *Offset_t, count Size_t) Ssize_t

 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	if race.Enabled {
diff --git a/libgo/go/syscall/libcall_linux.go b/libgo/go/syscall/libcall_linux.go
index 03ca7261b59..ad21fd0b3ac 100644
--- a/libgo/go/syscall/libcall_linux.go
+++ b/libgo/go/syscall/libcall_linux.go
@@ -158,7 +158,7 @@ func Reboot(cmd int) (err error) {
 //adjtimex(buf *Timex) _C_int

 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
-//fstatfs64(fd _C_int, buf *Statfs_t) _C_int
+//fstatfs(fd _C_int, buf *Statfs_t) _C_int

 func Gettid() (tid int) {
 	r1, _, _ := Syscall(SYS_GETTID, 0, 0, 0)
@@ -245,7 +245,7 @@ func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n i
 }

 //sys	Statfs(path string, buf *Statfs_t) (err error)
-//statfs64(path *byte, buf *Statfs_t) _C_int
+//statfs(path *byte, buf *Statfs_t) _C_int

 //sysnb	Sysinfo(info *Sysinfo_t) (err error)
 //sysinfo(info *Sysinfo_t) _C_int
diff --git a/libgo/go/syscall/libcall_posix_largefile.go b/libgo/go/syscall/libcall_posix_largefile.go
index f90055bb29a..334212f0af1 100644
--- a/libgo/go/syscall/libcall_posix_largefile.go
+++ b/libgo/go/syscall/libcall_posix_largefile.go
@@ -10,40 +10,40 @@
 package syscall

 //sys	Creat(path string, mode uint32) (fd int, err error)
-//creat64(path *byte, mode Mode_t) _C_int
+//creat(path *byte, mode Mode_t) _C_int

 //sys	Fstat(fd int, stat *Stat_t) (err error)
-//fstat64(fd _C_int, stat *Stat_t) _C_int
+//fstat(fd _C_int, stat *Stat_t) _C_int

 //sys	Ftruncate(fd int, length int64) (err error)
-//ftruncate64(fd _C_int, length Offset_t) _C_int
+//ftruncate(fd _C_int, length Offset_t) _C_int

 //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
-//getrlimit64(resource _C_int, rlim *Rlimit) _C_int
+//getrlimit(resource _C_int, rlim *Rlimit) _C_int

 //sys	Lstat(path string, stat *Stat_t) (err error)
-//lstat64(path *byte, stat *Stat_t) _C_int
+//lstat(path *byte, stat *Stat_t) _C_int

 //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
-//mmap64(addr *byte, length Size_t, prot _C_int, flags _C_int, fd _C_int, offset Offset_t) *byte
+//mmap(addr *byte, length Size_t, prot _C_int, flags _C_int, fd _C_int, offset Offset_t) *byte

 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
-//__go_open64(path *byte, mode _C_int, perm Mode_t) _C_int
+//__go_open(path *byte, mode _C_int, perm Mode_t) _C_int

 //sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//pread64(fd _C_int, buf *byte, count Size_t, offset Offset_t) Ssize_t
+//pread(fd _C_int, buf *byte, count Size_t, offset Offset_t) Ssize_t

 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
-//pwrite64(fd _C_int, buf *byte, count Size_t, offset Offset_t) Ssize_t
+//pwrite(fd _C_int, buf *byte, count Size_t, offset Offset_t) Ssize_t

 //sys	Seek(fd int, offset int64, whence int) (off int64, err error)
-//lseek64(fd _C_int, offset Offset_t, whence _C_int) Offset_t
+//lseek(fd _C_int, offset Offset_t, whence _C_int) Offset_t

 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//setrlimit64(resource int, rlim *Rlimit) _C_int
+//setrlimit(resource int, rlim *Rlimit) _C_int

 //sys	Stat(path string, stat *Stat_t) (err error)
-//stat64(path *byte, stat *Stat_t) _C_int
+//stat(path *byte, stat *Stat_t) _C_int

 //sys	Truncate(path string, length int64) (err error)
-//truncate64(path *byte, length Offset_t) _C_int
+//truncate(path *byte, length Offset_t) _C_int
diff --git a/libgo/runtime/go-varargs.c b/libgo/runtime/go-varargs.c
index f84860891e6..7efc9615985 100644
--- a/libgo/runtime/go-varargs.c
+++ b/libgo/runtime/go-varargs.c
@@ -84,7 +84,7 @@ __go_ioctl_ptr (int d, int request, void *arg)
 int
 __go_open64 (char *path, int mode, mode_t perm)
 {
-  return open64 (path, mode, perm);
+  return open (path, mode, perm);
 }

 #endif
