remove declaration of non-existent method

diff --git a/libs/gtkmm2ext/gtkmm2ext/tabbable.h b/libs/gtkmm2ext/gtkmm2ext/tabbable.h
index c9b06ac3cafe23aca03170cd9d98d635e7c50882..1e85ed87825d19457b39fa55039348b4b4cec50b 100644 (file)
--- a/libs/gtkmm2ext/gtkmm2ext/tabbable.h
+++ b/libs/gtkmm2ext/gtkmm2ext/tabbable.h
@@ -57,8 +57,6 @@ class LIBGTKMM2EXT_API Tabbable : public WindowProxy {
        Gtk::Window* own_window () { return get (false); }
        virtual Gtk::Window* use_own_window (bool and_pack_it);
 
-       bool has_own_window () const;
-
        void set_default_tabbed (bool yn);
 
        virtual void show_window ();