diff --git a/include/wx/gtk/toplevel.h b/include/wx/gtk/toplevel.h
index 0271b4c353..e6af7626d5 100644
--- a/include/wx/gtk/toplevel.h
+++ b/include/wx/gtk/toplevel.h
@@ -60,7 +60,7 @@ public:
     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
     virtual bool IsFullScreen() const { return m_fsIsShowing; };
 
-    virtual bool SetShape(const wxRegion& region);
+    /*virtual*/ bool SetShape(const wxRegion& region);
 
     virtual bool Show(bool show = TRUE);
 
diff --git a/include/wx/gtk1/toplevel.h b/include/wx/gtk1/toplevel.h
index 0271b4c353..e6af7626d5 100644
--- a/include/wx/gtk1/toplevel.h
+++ b/include/wx/gtk1/toplevel.h
@@ -60,7 +60,7 @@ public:
     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
     virtual bool IsFullScreen() const { return m_fsIsShowing; };
 
-    virtual bool SetShape(const wxRegion& region);
+    /*virtual*/ bool SetShape(const wxRegion& region);
 
     virtual bool Show(bool show = TRUE);
 
diff --git a/include/wx/mac/toplevel.h b/include/wx/mac/toplevel.h
index 800a42004e..046e4fe8b5 100644
--- a/include/wx/mac/toplevel.h
+++ b/include/wx/mac/toplevel.h
@@ -58,7 +58,7 @@ public:
     virtual void SetIcons(const wxIconBundle& icons) { SetIcon( icons.GetIcon( -1 ) ); }
     virtual void Restore();
 
-    virtual bool SetShape(const wxRegion& region);
+    /*virtual*/ bool SetShape(const wxRegion& region);
 
     virtual bool ShowFullScreen(bool WXUNUSED(show), long WXUNUSED(style) = wxFULLSCREEN_ALL)
     { return FALSE; }
diff --git a/include/wx/msw/toplevel.h b/include/wx/msw/toplevel.h
index 19a1f223f1..047d5d44ba 100644
--- a/include/wx/msw/toplevel.h
+++ b/include/wx/msw/toplevel.h
@@ -58,7 +58,7 @@ public:
     virtual void SetIcons(const wxIconBundle& icons );
     virtual void Restore();
 
-    virtual bool SetShape(const wxRegion& region);
+    /*virtual*/ bool SetShape(const wxRegion& region);
 
     virtual bool Show(bool show = TRUE);