diff --git a/examples/application10/window.ui b/examples/application10/window.ui
index 0051fc9391..d3f737fa28 100644
--- a/examples/application10/window.ui
+++ b/examples/application10/window.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ExampleAppWindow" parent="GtkApplicationWindow">
     <property name="title" translatable="yes">Example Application</property>
@@ -27,7 +28,6 @@
             <property name="sensitive">0</property>
             <property name="icon-name">edit-find-symbolic</property>
           </object>
-          <packing/>
         </child>
         <child type="end">
           <object class="GtkMenuButton" id="gears">
@@ -36,7 +36,6 @@
               <class name="image-button"/>
             </style>
           </object>
-          <packing/>
         </child>
       </object>
     </child>
diff --git a/examples/application7/window.ui b/examples/application7/window.ui
index 59ce85aa9f..761daef776 100644
--- a/examples/application7/window.ui
+++ b/examples/application7/window.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ExampleAppWindow" parent="GtkApplicationWindow">
     <property name="title" translatable="yes">Example Application</property>
@@ -18,7 +19,6 @@
                 <property name="sensitive">0</property>
                 <property name="icon-name">edit-find-symbolic</property>
               </object>
-              <packing/>
             </child>
           </object>
         </child>
diff --git a/examples/application8/window.ui b/examples/application8/window.ui
index 3681e1787e..e7935e55e2 100644
--- a/examples/application8/window.ui
+++ b/examples/application8/window.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ExampleAppWindow" parent="GtkApplicationWindow">
     <property name="title" translatable="yes">Example Application</property>
@@ -18,7 +19,6 @@
                 <property name="sensitive">0</property>
                 <property name="icon-name">edit-find-symbolic</property>
               </object>
-              <packing/>
             </child>
             <child type="end">
               <object class="GtkMenuButton" id="gears">
@@ -27,7 +27,6 @@
                   <class name="image-button"/>
                 </style>
               </object>
-              <packing/>
             </child>
           </object>
         </child>
diff --git a/examples/application9/window.ui b/examples/application9/window.ui
index 6cb5ad24a9..59f6e8c71a 100644
--- a/examples/application9/window.ui
+++ b/examples/application9/window.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ExampleAppWindow" parent="GtkApplicationWindow">
     <property name="title" translatable="yes">Example Application</property>
@@ -29,7 +30,6 @@
                 <property name="sensitive">0</property>
                 <property name="icon-name">edit-find-symbolic</property>
               </object>
-              <packing/>
             </child>
             <child type="end">
               <object class="GtkMenuButton" id="gears">
@@ -38,7 +38,6 @@
                   <class name="image-button"/>
                 </style>
               </object>
-              <packing/>
             </child>
           </object>
         </child>