diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 08aa24653b..510c364705 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -98,8 +98,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus. </property>
   <object class="GtkApplicationWindow" id="window">
     <property name="can_focus">False</property>
     <property name="title">GTK+ Widget Factory</property>
-    <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <signal name="delete-event" handler="gtk_false" swapped="no"/>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="headerbar1">
         <property name="visible">True</property>