diff --git a/include/wx/os2/frame.h b/include/wx/os2/frame.h
index dc64bf4ae7..dd1851cbfb 100644
--- a/include/wx/os2/frame.h
+++ b/include/wx/os2/frame.h
@@ -66,6 +66,7 @@ public:
 
     // override some more virtuals
     virtual bool Show(bool bShow = TRUE);
+    virtual void RemoveChild(wxWindowBase* pChild);
 
     // event handlers
     void OnActivate(wxActivateEvent& rEvent);