diff --git a/include/wx/gtk/app.h b/include/wx/gtk/app.h
index 834aaa338e..3fb0e93c8a 100644
--- a/include/wx/gtk/app.h
+++ b/include/wx/gtk/app.h
@@ -41,8 +41,6 @@ public:
     virtual bool OnInitGui();
 
     // override base class (pure) virtuals
-    virtual bool Initialized();
-
     virtual bool Yield(bool onlyIfNeeded = FALSE);
     virtual void WakeUpIdle();
 
diff --git a/include/wx/gtk1/app.h b/include/wx/gtk1/app.h
index 834aaa338e..3fb0e93c8a 100644
--- a/include/wx/gtk1/app.h
+++ b/include/wx/gtk1/app.h
@@ -41,8 +41,6 @@ public:
     virtual bool OnInitGui();
 
     // override base class (pure) virtuals
-    virtual bool Initialized();
-
     virtual bool Yield(bool onlyIfNeeded = FALSE);
     virtual void WakeUpIdle();