diff --git a/net/netns/netns_linux.go b/net/netns/netns_linux.go
index 98dc13344..632fbf51a 100644
--- a/net/netns/netns_linux.go
+++ b/net/netns/netns_linux.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build linux
-
 package netns
 
 import (