diff --git a/include/wx/x11/app.h b/include/wx/x11/app.h
index 5fedad11f9..034385a84a 100644
--- a/include/wx/x11/app.h
+++ b/include/wx/x11/app.h
@@ -49,11 +49,7 @@ public:
     // override base class (pure) virtuals
     // -----------------------------------
 
-    virtual int MainLoop();
-    virtual void ExitMainLoop();
     virtual bool Initialized();
-    virtual bool Pending();
-    virtual bool Dispatch();
 
     virtual void Exit();