diff --git a/include/wx/osx/colour.h b/include/wx/osx/colour.h
index 0a0d1c4d57..408625476d 100644
--- a/include/wx/osx/colour.h
+++ b/include/wx/osx/colour.h
@@ -1,5 +1 @@
-#ifdef __WXMAC_CLASSIC__
-#include "wx/osx/classic/colour.h"
-#else
-#include "wx/osx/carbon/colour.h"
-#endif
+#include "wx/osx/core/colour.h"