diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index 03e752e92f..b5058d57da 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -50,7 +50,6 @@ class WXDLLEXPORT wxWindowMSW : public wxWindowBase
     friend class wxSpinCtrl;
     friend class wxSlider;
     friend class wxRadioBox;
-    friend class wxWindowMSW;
 public:
     wxWindowMSW() { Init(); }