diff --git a/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_widget.ui b/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_widget.ui
index c9dd4fec2b2..081d48573ea 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_widget.ui
+++ b/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_widget.ui
@@ -429,13 +429,6 @@
               </property>
              </widget>
             </item>
-            <item>
-             <widget class="QPushButton" name="pushButton">
-              <property name="text">
-               <string>PushButton</string>
-              </property>
-             </widget>
-            </item>
             <item>
              <spacer name="verticalSpacer_8">
               <property name="orientation">