diff --git a/src/backends/x11/meta-clutter-backend-x11.c b/src/backends/x11/meta-clutter-backend-x11.c
index fcf267f11..f4bcdf7b4 100644
--- a/src/backends/x11/meta-clutter-backend-x11.c
+++ b/src/backends/x11/meta-clutter-backend-x11.c
@@ -160,8 +160,6 @@ meta_clutter_backend_x11_finish_init (ClutterBackend  *clutter_backend,
 
   xscreen = DefaultScreenOfDisplay (clutter_backend_x11->xdisplay);
   clutter_backend_x11->xscreen_num = XScreenNumberOfScreen (xscreen);
-  clutter_backend_x11->xscreen_width = WidthOfScreen (xscreen);
-  clutter_backend_x11->xscreen_height = HeightOfScreen (xscreen);
 
   clutter_backend_x11->xwin_root = RootWindow (clutter_backend_x11->xdisplay,
                                                clutter_backend_x11->xscreen_num);
diff --git a/src/backends/x11/meta-clutter-backend-x11.h b/src/backends/x11/meta-clutter-backend-x11.h
index 03e6e44d0..45a2e7316 100644
--- a/src/backends/x11/meta-clutter-backend-x11.h
+++ b/src/backends/x11/meta-clutter-backend-x11.h
@@ -36,8 +36,6 @@ struct _MetaClutterBackendX11
   Display *xdisplay;
 
   int      xscreen_num;
-  int      xscreen_width;
-  int      xscreen_height;
 
   Window   xwin_root;