diff --git a/include/wx/defs.h b/include/wx/defs.h
index ade8f25bc9..183929d0f3 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -2873,6 +2873,7 @@ typedef GtkWidget *WXWidget;
 #ifdef __WXGTK20__
 #define G_DISABLE_DEPRECATED
 #define PANGO_DISABLE_DEPRECATED
+#define GTK_DISABLE_DEPRECATED
 #endif
 
 #endif /*  __WXGTK__ */