diff --git a/interface/wx/object.h b/interface/wx/object.h
index c415056d0e..318e45f84b 100644
--- a/interface/wx/object.h
+++ b/interface/wx/object.h
@@ -376,12 +376,6 @@ public:
     */
     int GetSize() const;
 
-    /**
-        Initializes pointers in the wxClassInfo objects for fast execution of IsKindOf().
-        Called in base wxWidgets library initialization.
-    */
-    static void InitializeClasses();
-
     /**
         Returns @true if this class info can create objects of the associated class.
     */