diff --git a/include/GL/glfw3.h b/include/GL/glfw3.h
index 050f0c30..5172da21 100644
--- a/include/GL/glfw3.h
+++ b/include/GL/glfw3.h
@@ -67,12 +67,6 @@ extern "C" {
  #endif
 #endif /* APIENTRY */
 
-/* TEMPORARY MinGW-w64 hacks.
- */
-#if __MINGW64__
- #define WINAPI
-#endif
-
 /* The following three defines are here solely to make some Windows-based
  * <GL/gl.h> files happy. Theoretically we could include <windows.h>, but
  * it has the major drawback of severely polluting our namespace.