diff --git a/calendar/base/content/preferences/timezones.js b/calendar/base/content/preferences/timezones.js
index c5b6047bbd3..b4742e1e8bb 100644
--- a/calendar/base/content/preferences/timezones.js
+++ b/calendar/base/content/preferences/timezones.js
@@ -47,21 +47,5 @@ var gTimezonesPane = {
             prefValue = calendarDefaultTimezone();
             tzMenuList.value = prefValue;
         }
-    },
-
-    getTimezoneResult: function() {
-        var tzMenuList = document.getElementById("calendar.timezone.menulist");
-        if (tzMenuList.selectedItem != null) {
-            var value = tzMenuList.value
-            return value;
-        }
-        return undefined;
-    },
-
-    setTimezone: function() {
-        var prefValue = document.getElementById("calendar.timezone.local").value;
-        var tzMenuList = document.getElementById("calendar.timezone.menulist");
-        
-        prefValue = tzMenuList.value;
     }
 };
diff --git a/calendar/base/content/preferences/timezones.xul b/calendar/base/content/preferences/timezones.xul
index 997039c48ed..7d2dd180bb3 100644
--- a/calendar/base/content/preferences/timezones.xul
+++ b/calendar/base/content/preferences/timezones.xul
@@ -66,10 +66,7 @@
         <caption label="&pref.calendar.timezones.list.caption;"/>
 
         <menulist id="calendar.timezone.menulist"
-                  preference="calendar.timezone.local"
-                  onselect="document.getElementById('paneTimezones').userChangedValue(event.target);"
-                  onsynctopreference="return gTimezonesPane.getTimezoneResult();"
-                  onsyncfrompreference="gTimezonesPane.setTimezone();">
+                  preference="calendar.timezone.local">
             <menupopup>
                 <menuitem label="&pref.timezone.Africa.Abidjan;"
                           value="/mozilla.org/20050126_1/Africa/Abidjan"/>