diff --git a/src/runtime/os_linux_386.go b/src/runtime/os_linux_386.go
deleted file mode 100644
index cf031afe45..0000000000
--- a/src/runtime/os_linux_386.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2009 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.
-
-package runtime
-
-const (
-	_AT_SYSINFO = 32
-)
-
-func archauxv(tag, val uintptr) {
-}
diff --git a/src/runtime/os_linux_noauxv.go b/src/runtime/os_linux_noauxv.go
index d26c85bbb6..0b46f594ce 100644
--- a/src/runtime/os_linux_noauxv.go
+++ b/src/runtime/os_linux_noauxv.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !386,!amd64,!arm,!arm64
+// +build !amd64,!arm,!arm64
 
 package runtime