diff -Naur mate-panel-1.8.0-old/applets/clock/clock.ui mate-panel-1.8.0/applets/clock/clock.ui
--- mate-panel-1.8.0-old/applets/clock/clock.ui	2013-12-01 19:26:04.000000000 +0200
+++ mate-panel-1.8.0/applets/clock/clock.ui	2014-03-26 10:14:34.027592753 +0200
@@ -1069,9 +1069,9 @@
             <child>
               <object class="GtkButton" id="time-settings-button">
                 <property name="label" translatable="yes">Time _Settings</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
+                <property name="visible">False</property>
+                <property name="can_focus">False</property>
+                <property name="can_default">False</property>
                 <property name="receives_default">False</property>
                 <property name="use_underline">True</property>
               </object>