diff --git a/vcl/inc/unx/gtk/gtkdata.hxx b/vcl/inc/unx/gtk/gtkdata.hxx
index d306a3cd06df..702c76463ad1 100644
--- a/vcl/inc/unx/gtk/gtkdata.hxx
+++ b/vcl/inc/unx/gtk/gtkdata.hxx
@@ -21,6 +21,7 @@
 #define _VCL_GTKDATA_HXX
 
 #include <prex.h>
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>