diff --git a/winsize.go b/winsize_linux.go
similarity index 95%
rename from winsize.go
rename to winsize_linux.go
index 1a3bdaf..ebb9f67 100644
--- a/winsize.go
+++ b/winsize_linux.go
@@ -1,7 +1,5 @@
 package main
 
-// +build linux
-
 import (
 	"syscall"
 	"unsafe"