diff --git a/Utility/OpenFd.hs b/Utility/OpenFd.hs
index c46e36f25d..16a364a4d1 100644
--- a/Utility/OpenFd.hs
+++ b/Utility/OpenFd.hs
@@ -8,9 +8,9 @@
 {-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -fno-warn-tabs #-}
 
-module Utility.OpenFd (
-	openFdWithMode,
-) where
+module Utility.OpenFd where
+
+#ifndef mingw32_HOST_OS
 
 import System.Posix.IO.ByteString
 import System.Posix.Types
@@ -23,3 +23,5 @@ openFdWithMode f openmode filemode flags =
 #else
 openFdWithMode = openFd
 #endif
+
+#endif