diff --git a/mainwindow.ui b/mainwindow.ui
index ced250bbd..0fb9ffb06 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1948,9 +1948,6 @@ list. The list can be maintained in Settings (F2).</string>
                      <height>0</height>
                     </size>
                    </property>
-                   <property name="readOnly">
-                    <bool>true</bool>
-                   </property>
                   </widget>
                  </item>
                  <item>