diff --git a/src/core/window-private.h b/src/core/window-private.h
index a0c1283eb..35dfb770e 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -531,11 +531,6 @@ void        meta_window_tile               (MetaWindow        *window);
 void        meta_window_maximize_internal  (MetaWindow        *window,
                                             MetaMaximizeFlags  directions,
                                             MetaRectangle     *saved_rect);
-void        meta_window_unmaximize_with_gravity (MetaWindow        *window,
-                                                 MetaMaximizeFlags  directions,
-                                                 int                new_width,
-                                                 int                new_height,
-                                                 int                gravity);
 
 void        meta_window_make_fullscreen_internal (MetaWindow    *window);
 void        meta_window_update_fullscreen_monitors (MetaWindow    *window,
diff --git a/src/core/window.c b/src/core/window.c
index 44bcc4ab8..749ceb5fd 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -3167,7 +3167,7 @@ meta_window_unmaximize (MetaWindow        *window,
  * Unlike meta_window_unmaximize(), tiling is not restored for windows
  * with a tile mode other than META_TILE_NONE.
  */
-void
+static void
 meta_window_unmaximize_with_gravity (MetaWindow        *window,
                                      MetaMaximizeFlags  directions,
                                      int                new_width,