diff --git a/src/runtime/testdata/testprogcgo/windows/win.go b/src/runtime/testdata/testprogcgo/windows/win.go
index 12488aa6588..9d9f86c9bea 100644
--- a/src/runtime/testdata/testprogcgo/windows/win.go
+++ b/src/runtime/testdata/testprogcgo/windows/win.go
@@ -1,8 +1,6 @@
 package windows
 
 /*
-#cgo amd64 386 CFLAGS: -mnop-fun-dllimport
-
 #include <windows.h>
 
 DWORD agetthread() {