--- a/browser/base/content/browser-menubar.inc
+++ b/browser/base/content/browser-menubar.inc
@@ -362,6 +362,7 @@
                         data-l10n-id="menu-tools-fxa-re-auth"/>
 
               <menuitem id="menu_openFirefoxView"
+                        hidden="true"
                         data-l10n-id="menu-tools-firefox-view"/>
               <menuseparator id="devToolsSeparator"/>
               <menu id="browserToolsMenu" data-l10n-id="menu-tools-browser-tools">
--- a/browser/base/content/navigator-toolbox.inc.xhtml
+++ b/browser/base/content/navigator-toolbox.inc.xhtml
@@ -41,6 +41,7 @@
                        role="button"
                        aria-pressed="false"
                        cui-areatype="toolbar"
+                       hidden="true"
                        removable="true"/>
 
         <tabs id="tabbrowser-tabs"