diff --git a/src/plugins/tool/removeunused.glade b/src/plugins/tool/removeunused.glade
index e94fcd28c..df0dbcaf1 100644
--- a/src/plugins/tool/removeunused.glade
+++ b/src/plugins/tool/removeunused.glade
@@ -8,14 +8,15 @@
     <property name="default_height">300</property>
     <property name="type_hint">dialog</property>
     <property name="has_separator">False</property>
-    <signal name="delete_event" handler="on_result_delete_event"/>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox2">
         <property name="visible">True</property>
+        <property name="orientation">vertical</property>
         <child>
           <object class="GtkVBox" id="vbox5">
             <property name="visible">True</property>
             <property name="border_width">6</property>
+            <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkLabel" id="title">
@@ -36,6 +37,7 @@
                   <object class="GtkVButtonBox" id="vbuttonbox1">
                     <property name="visible">True</property>
                     <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="orientation">vertical</property>
                     <child>
                       <object class="GtkCheckButton" id="events_box">
                         <property name="label" translatable="yes">Search for events</property>