diff --git a/include/wx/utils.h b/include/wx/utils.h
index 0a8e6371c6..4588479e98 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -15,7 +15,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#include "wx/windowid.h"
 #include "wx/object.h"
 #include "wx/list.h"
 #include "wx/filefn.h"