diff --git a/src/lib/elementary/efl_ui_win.eo b/src/lib/elementary/efl_ui_win.eo
index 602acf506b..54686b0bae 100644
--- a/src/lib/elementary/efl_ui_win.eo
+++ b/src/lib/elementary/efl_ui_win.eo
@@ -835,9 +835,9 @@ class Efl.Ui.Win extends Efl.Ui.Widget implements Efl.Canvas.Scene, Efl.Access.W
       Efl.Part.part_get;
    }
    constructors {
-      .win_name @optional;
+      .win_name;
       .win_type @optional;
-      .accel_preference @optional;
+      .accel_preference;
    }
    events {
       delete,request: void; [[Called when the window receives a delete request]]