diff --git a/src/meta/meta-backend.h b/src/meta/meta-backend.h
index 50afa721a..8db2360cc 100644
--- a/src/meta/meta-backend.h
+++ b/src/meta/meta-backend.h
@@ -48,8 +48,6 @@ void meta_backend_lock_layout_group (MetaBackend *backend,
 void meta_backend_set_numlock (MetaBackend *backend,
                                gboolean     numlock_state);
 
-int meta_backend_get_ui_scaling_factor (MetaBackend *backend);
-
 ClutterActor *meta_backend_get_stage (MetaBackend *backend);
 
 MetaDnd      *meta_backend_get_dnd   (MetaBackend *backend);