--- a/services/sync/services-sync.js
+++ b/services/sync/services-sync.js
@@ -2,17 +2,17 @@ pref("extensions.weave.serverURL", "http
 pref("extensions.weave.username", "nobody");
 
 pref("extensions.weave.encryption", "aes-256-cbc");
 
 pref("extensions.weave.lastversion", "firstrun");
 pref("extensions.weave.lastsync", "0");
 
 pref("extensions.weave.ui.syncnow", true);
-pref("extensions.weave.ui.sharebookmarks", true);
+pref("extensions.weave.ui.sharebookmarks", false);
 pref("extensions.weave.rememberpassword", true);
 pref("extensions.weave.autoconnect", true);
 pref("extensions.weave.enabled", true);
 pref("extensions.weave.schedule", 1);
 
 pref("extensions.weave.syncOnQuit.enabled", true);
 
 pref("extensions.weave.engine.bookmarks", true);
@@ -29,12 +29,12 @@ pref("extensions.weave.log.appender.debu
 
 pref("extensions.weave.log.rootLogger", "Trace");
 pref("extensions.weave.log.logger.async", "Debug");
 pref("extensions.weave.log.logger.service.crypto", "Debug");
 pref("extensions.weave.log.logger.service.dav", "Debug");
 pref("extensions.weave.log.logger.service.engine", "Debug");
 pref("extensions.weave.log.logger.service.main", "Trace");
 
-pref("extensions.weave.xmpp.enabled", true);
+pref("extensions.weave.xmpp.enabled", false);
 pref("extensions.weave.xmpp.server.url",
      "https://sm-labs01.mozilla.org:81/xmpp");
 pref("extensions.weave.xmpp.server.realm", "sm-labs01.mozilla.org");