--- a/browser/components/customizableui/content/panelUI.inc.xul
+++ b/browser/components/customizableui/content/panelUI.inc.xul
@@ -135,17 +135,17 @@
                   <toolbarbutton class="PanelUI-remotetabs-prefs-button"
                                  label="&appMenuRemoteTabs.openprefs.label;"
                                  oncommand="gSyncUI.openSetup();"/>
                 </hbox>
               </vbox>
             </hbox>
             <!-- Sync is ready to Sync but we are still fetching the tabs to show -->
             <vbox id="PanelUI-remotetabs-fetching">
-              <label>&appMenuRemoteTabs.fetching.label;</label>
+              <!-- Show intentionally blank panel, see bug 1239845 -->
             </vbox>
             <!-- Sync has only 1 (ie, this) device connected -->
             <hbox id="PanelUI-remotetabs-nodevicespane" pack="center" flex="1">
               <vbox class="PanelUI-remotetabs-instruction-box">
                 <hbox pack="center">
                   <image class="fxaSyncIllustration" alt=""/>
                 </hbox>
                 <label class="PanelUI-remotetabs-instruction-label">&appMenuRemoteTabs.noclients.label;</label>

--- a/browser/components/syncedtabs/sidebar.xhtml
+++ b/browser/components/syncedtabs/sidebar.xhtml
@@ -76,17 +76,17 @@
         </div>
         <div class="list" role="listbox" tabindex="1"></div>
       </div>
     </template>
 
     <template id="deck-template">
       <div class="deck">
         <div class="tabs-fetching sync-state">
-          <p>&syncedTabs.sidebar.fetching.label;</p>
+          <!-- Show intentionally blank panel, see bug 1239845 -->
         </div>
         <div class="notAuthedInfo sync-state">
           <p>&syncedTabs.sidebar.notsignedin.label;</p>
           <p><a href="#" class="sync-prefs text-link">&fxaSignIn.label;</a></p>
         </div>
         <div class="singleDeviceInfo sync-state">
           <p>&syncedTabs.sidebar.noclients.label;</p>
           <p class="device-promo"></p>

--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -405,17 +405,16 @@ These should match what Safari and other
 <!ENTITY appMenuHistory.label "History">
 <!ENTITY appMenuHistory.showAll.label "Show All History">
 <!ENTITY appMenuHistory.clearRecent.label "Clear Recent History…">
 <!ENTITY appMenuHistory.restoreSession.label "Restore Previous Session">
 <!ENTITY appMenuHistory.viewSidebar.label "View History Sidebar">
 <!ENTITY appMenuHelp.tooltip "Open Help Menu">
 
 <!ENTITY appMenuRemoteTabs.label "Synced Tabs">
-<!ENTITY appMenuRemoteTabs.fetching.label "Fetching Synced Tabs…">
 <!-- LOCALIZATION NOTE (appMenuRemoteTabs.notabs.label): This is shown beneath
      the name of a device when that device has no open tabs -->
 <!ENTITY appMenuRemoteTabs.notabs.label "No open tabs">
 <!-- LOCALIZATION NOTE (appMenuRemoteTabs.tabsnotsyncing.label): This is shown
      when Sync is configured but syncing tabs is disabled. -->
 <!ENTITY appMenuRemoteTabs.tabsnotsyncing.label "Turn on tab syncing to view a list of tabs from your other devices.">
 <!-- LOCALIZATION NOTE (appMenuRemoteTabs.noclients.label): This is shown
      when Sync is configured but this appears to be the only device attached to
@@ -790,17 +789,16 @@ you can use these alternative items. Oth
 <!-- Name for the tabs toolbar as spoken by screen readers.
      The word "toolbar" is appended automatically and should not be contained below! -->
 <!ENTITY tabsToolbar.label "Browser tabs">
 
 <!-- LOCALIZATION NOTE (syncTabsMenu3.label): This appears in the history menu -->
 <!ENTITY syncTabsMenu3.label     "Synced Tabs">
 
 <!ENTITY syncedTabs.sidebar.label              "Synced Tabs">
-<!ENTITY syncedTabs.sidebar.fetching.label     "Fetching Synced Tabs…">
 <!ENTITY syncedTabs.sidebar.noclients.label    "Sign in to Firefox from your other devices to view their tabs here.">
 <!ENTITY syncedTabs.sidebar.notsignedin.label  "Sign in to view a list of tabs from your other devices.">
 <!ENTITY syncedTabs.sidebar.notabs.label       "No open tabs">
 <!ENTITY syncedTabs.sidebar.openprefs.label    "Open &syncBrand.shortName.label; Preferences">
 <!-- LOCALIZATION NOTE (syncedTabs.sidebar.tabsnotsyncing.label): This is shown
      when Sync is configured but syncing tabs is disabled. -->
 <!ENTITY syncedTabs.sidebar.tabsnotsyncing.label       "Turn on tab syncing to view a list of tabs from your other devices.">