diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index b48f77f9..76cf81f5 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -16,13 +16,6 @@ import (
 	"unsafe"
 )
 
-// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
-func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
-
-// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
-// fail.
-func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
-
 /*
  * Wrapped
  */
diff --git a/unix/syscall_linux_gc.go b/unix/syscall_linux_gc.go
new file mode 100644
index 00000000..c26e6ec2
--- /dev/null
+++ b/unix/syscall_linux_gc.go
@@ -0,0 +1,14 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build linux,!gccgo
+
+package unix
+
+// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
+// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
+// fail.
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)