diff --git a/fileutil/file.go b/fileutil/file.go
index 7921f46..cb72c19 100644
--- a/fileutil/file.go
+++ b/fileutil/file.go
@@ -1,6 +1,3 @@
-//go:build windows
-// +build windows
-
 // Copyright 2021 dudaodong@gmail.com. All rights reserved.
 // Use of this source code is governed by MIT license.