diff --git a/browser/components/customizableui/ToolbarContextMenu.sys.mjs b/browser/components/customizableui/ToolbarContextMenu.sys.mjs
index 9879487f9ed9ddf825f5fb5c1467ddbd7fbe7a32..9e2565fafe0f5f9afa6065c9f4f522fec745db2a 100644
--- a/browser/components/customizableui/ToolbarContextMenu.sys.mjs
+++ b/browser/components/customizableui/ToolbarContextMenu.sys.mjs
@@ -237,17 +237,6 @@ export var ToolbarContextMenu = {
     // autohide item's checked state to mirror the autohide pref.
     showFullScreenViewContextMenuItems(popup);
 
-    let toggleVerticalTabsItem = document.getElementById(
-      "toolbar-context-toggle-vertical-tabs"
-    );
-    document.l10n.setAttributes(
-      toggleVerticalTabsItem,
-      gBrowser.tabContainer?.verticalMode
-        ? "toolbar-context-turn-off-vertical-tabs"
-        : "toolbar-context-turn-on-vertical-tabs"
-    );
-    document.getElementById("toolbar-context-customize-sidebar").hidden =
-      !gBrowser.tabContainer?.verticalMode;
 
     // View -> Toolbars menu doesn't have the moveToPanel or removeFromToolbar items.
     if (!moveToPanel || !removeFromToolbar) {