--- a/browser/components/preferences/in-content/preferences.xul
+++ b/browser/components/preferences/in-content/preferences.xul
@@ -171,17 +171,17 @@
             <image class="help-icon"/>
               <label class="help-label" flex="1" data-l10n-id="help-button-label"></label>
           </hbox>
         </label>
       </hbox>
     </vbox>
 
     <keyset>
-      <key data-l10n-id="focus-search" modifiers="accel" id="focusSearch1" oncommand="gSearchResultsPane.searchInput.focus();"/>
+      <key data-l10n-id="focus-search" key="" modifiers="accel" id="focusSearch1" oncommand="gSearchResultsPane.searchInput.focus();"/>
     </keyset>
 
     <vbox class="main-content" flex="1" align="start">
       <vbox class="pane-container">
         <hbox class="sticky-container" pack="end" align="top">
           <hbox id="policies-container" align="stretch" flex="1" hidden="true">
             <hbox align="top">
               <image class="info-icon"></image>