--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -400,42 +400,31 @@ These should match what Safari and other
 <!ENTITY appMenuRemoteTabs.managedevices.label "Manage Devices…">
 <!ENTITY appMenuRemoteTabs.sidebar.label "View Synced Tabs Sidebar">
 <!ENTITY appMenuRemoteTabs.connectdevice.label "Connect Another Device">
 
 <!ENTITY appMenuRecentHighlights.label "Recent Highlights">
 
 <!ENTITY customizeMenu.addToToolbar.label "Add to Toolbar">
 <!ENTITY customizeMenu.addToToolbar.accesskey "A">
-<!ENTITY customizeMenu.addToPanel.label "Add to Menu">
-<!ENTITY customizeMenu.addToPanel.accesskey "M">
 <!-- LOCALIZATION NOTE (customizeMenu.addToOverflowMenu.label,
      customizeMenu.pinToOverflowMenu.label, customizeMenu.unpinFromOverflowMenu.label)
      The overflow menu is the menu that appears if you click the chevron (>> button)
-     in the location bar. These labels are only used in Photon, where you can put
-     items into this menu permanently (pinned). -->
+     in the location bar. -->
 <!ENTITY customizeMenu.addToOverflowMenu.label "Add to Overflow Menu">
 <!ENTITY customizeMenu.addToOverflowMenu.accesskey "M">
-<!ENTITY customizeMenu.moveToToolbar.label "Move to Toolbar">
-<!ENTITY customizeMenu.moveToToolbar.accesskey "o">
-<!-- LOCALIZATION NOTE (customizeMenu.moveToPanel.accesskey, customizeMenu.pinToOverflowMenu.accesskey)
+<!-- LOCALIZATION NOTE (customizeMenu.pinToOverflowMenu.accesskey)
      can appear on the same context menu as menubarCmd and personalbarCmd,
-     so they should have different access keys. customizeMenu.moveToToolbar and
-     customizeMenu.moveToPanel are mutually exclusive, so can share access
-     keys.  -->
-<!ENTITY customizeMenu.moveToPanel.label "Move to Menu">
-<!ENTITY customizeMenu.moveToPanel.accesskey "o">
+     so they should have different access keys.  -->
 <!ENTITY customizeMenu.pinToOverflowMenu.label "Pin to Overflow Menu">
 <!ENTITY customizeMenu.pinToOverflowMenu.accesskey "P">
 <!ENTITY customizeMenu.unpinFromOverflowMenu.label "Unpin from Overflow Menu">
 <!ENTITY customizeMenu.unpinFromOverflowMenu.accesskey "U">
 <!ENTITY customizeMenu.removeFromToolbar.label "Remove from Toolbar">
 <!ENTITY customizeMenu.removeFromToolbar.accesskey "R">
-<!ENTITY customizeMenu.removeFromMenu.label "Remove from Menu">
-<!ENTITY customizeMenu.removeFromMenu.accesskey "R">
 <!ENTITY customizeMenu.addMoreItems.label "Add More Items…">
 <!ENTITY customizeMenu.addMoreItems.accesskey "A">
 <!ENTITY customizeMenu.autoHideDownloadsButton.label "Auto-Hide in Toolbar">
 <!ENTITY customizeMenu.autoHideDownloadsButton.accesskey "A">
 <!ENTITY customizeMenu.manageExtension.label "Manage Extension">
 <!ENTITY customizeMenu.manageExtension.accesskey "E">
 
 <!-- LOCALIZATION NOTE (moreMenu.label) This label is used in the new Photon