diff --git a/demos/gtk-demo/font-features.ui b/demos/gtk-demo/font-features.ui
index 3906b8c86b..a47e92258b 100644
--- a/demos/gtk-demo/font-features.ui
+++ b/demos/gtk-demo/font-features.ui
@@ -1647,15 +1647,13 @@
                 <property name="valign">end</property>
                 <property name="width-chars">50</property>
                 <property name="max-width-chars">50</property>
+                <property name="hexpand">1</property>
+                <property name="vexpand">1</property>
               </object>
-              <packing>
-                <property name="expand">1</property>
-              </packing>
             </child>
+            <property name="hexpand">1</property>
+            <property name="vexpand">1</property>
           </object>
-          <packing>
-            <property name="expand">1</property>
-          </packing>
         </child>
       </object>
     </child>
diff --git a/demos/gtk-demo/theming.ui b/demos/gtk-demo/theming.ui
index 7d3c103733..ed25cb0e0c 100644
--- a/demos/gtk-demo/theming.ui
+++ b/demos/gtk-demo/theming.ui
@@ -252,10 +252,9 @@
             <property name="visible">1</property>
             <property name="label">Plain</property>
             <property name="halign">end</property>
+            <property name="hexpand">1</property>
+            <property name="vexpand">1</property>
           </object>
-          <packing>
-            <property name="expand">1</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton">