diff --git a/src/meta/boxes.h b/src/meta/boxes.h
index 39afe4277..8446f5c25 100644
--- a/src/meta/boxes.h
+++ b/src/meta/boxes.h
@@ -62,9 +62,3 @@ struct _MetaEdge
   MetaSide side_type;
   MetaEdgeType  edge_type;
 };
-
-/*
- * For GNOME Shell extensions compatibility purposes only.
- * TODO: drop for GNOME 46
- */
-typedef MtkRectangle MetaRectangle;