diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
index ca8953f3604f..605222626ea3 100644
--- a/browser/base/content/browser.xhtml
+++ b/browser/base/content/browser.xhtml
@@ -96,7 +96,6 @@
   <link rel="localization" href="browser/profiles.ftl"/>
   <link rel="localization" href="preview/onboarding.ftl"/>
   <link rel="localization" href="preview/firefoxRelayToAllBrowsers.ftl"/>
-  <link rel="localization" href="preview/tabGroups.ftl"/>
   <link rel="localization" href="preview/tabUnload.ftl"/>
 
   <title data-l10n-id="browser-main-window-title"></title>
diff --git a/browser/locales-preview/tabGroups.ftl b/browser/locales-preview/tabGroups.ftl
deleted file mode 100644
index da3ed50f8b6a..000000000000
--- a/browser/locales-preview/tabGroups.ftl
+++ /dev/null
@@ -1,53 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at https://mozilla.org/MPL/2.0/.
-
-## Variables:
-##  $tabCount (Number): the number of tabs that are affected by the action.
-
-tab-context-unnamed-group =
-    .label = Unnamed group
-
-tab-context-move-tab-to-new-group =
-    .label =
-        { $tabCount ->
-            [1] Add Tab to New Group
-           *[other] Add Tabs to New Group
-        }
-    .accesskey = G
-tab-context-move-tab-to-group =
-    .label =
-        { $tabCount ->
-            [1] Add Tab to Group
-           *[other] Add Tabs to Group
-        }
-    .accesskey = G
-
-tab-group-editor-action-new-tab =
-  .label = New tab in group
-tab-group-editor-action-new-window =
-  .label = Move group to new window
-tab-group-editor-action-save =
-  .label = Save and close group
-tab-group-editor-action-ungroup =
-  .label = Ungroup tabs
-tab-group-editor-action-delete =
-  .label = Delete group
-tab-group-editor-done =
-  .label = Done
-  .accessKey = D
-
-tab-context-reopen-tab-group =
-    .label = Reopen tab group
-
-##
-
-# Variables:
-#  $groupCount (Number): the number of tab groups that are affected by the action.
-tab-context-ungroup-tab =
-  .label =
-      { $groupCount ->
-          [1] Remove from Group
-         *[other] Remove from Groups
-      }
-  .accesskey = R
diff --git a/browser/locales/en-US/browser/tabbrowser.ftl b/browser/locales/en-US/browser/tabbrowser.ftl
index 22dd44cd4939..d79d64ca96a0 100644
--- a/browser/locales/en-US/browser/tabbrowser.ftl
+++ b/browser/locales/en-US/browser/tabbrowser.ftl
@@ -199,3 +199,51 @@ tab-group-editor-name-field =
 tab-group-editor-cancel =
   .label = Cancel
   .accesskey = C
+
+tab-context-unnamed-group =
+    .label = Unnamed group
+
+## Variables:
+##  $tabCount (Number): the number of tabs that are affected by the action.
+
+tab-context-move-tab-to-new-group =
+    .label =
+        { $tabCount ->
+            [1] Add Tab to New Group
+           *[other] Add Tabs to New Group
+        }
+    .accesskey = G
+tab-context-move-tab-to-group =
+    .label =
+        { $tabCount ->
+            [1] Add Tab to Group
+           *[other] Add Tabs to Group
+        }
+    .accesskey = G
+
+tab-group-editor-action-new-tab =
+    .label = New tab in group
+tab-group-editor-action-new-window =
+    .label = Move group to new window
+tab-group-editor-action-save =
+    .label = Save and close group
+tab-group-editor-action-ungroup =
+    .label = Ungroup tabs
+tab-group-editor-action-delete =
+    .label = Delete group
+tab-group-editor-done =
+    .label = Done
+    .accessKey = D
+
+tab-context-reopen-tab-group =
+    .label = Reopen tab group
+
+# Variables:
+#  $groupCount (Number): the number of tab groups that are affected by the action.
+tab-context-ungroup-tab =
+    .label =
+        { $groupCount ->
+            [1] Remove from Group
+           *[other] Remove from Groups
+        }
+    .accesskey = R
diff --git a/browser/locales/jar.mn b/browser/locales/jar.mn
index 74b2bb0ac7f1..4723d7ba1c1a 100644
--- a/browser/locales/jar.mn
+++ b/browser/locales/jar.mn
@@ -18,7 +18,6 @@
   browser                                          (%browser/**/*.ftl)
   preview/backupSettings.ftl                       (../locales-preview/backupSettings.ftl)
   preview/firefoxRelayToAllBrowsers.ftl            (../locales-preview/firefoxRelayToAllBrowsers.ftl)
-  preview/tabGroups.ftl                            (../locales-preview/tabGroups.ftl)
   preview/tabUnload.ftl                            (../locales-preview/tabUnload.ftl)
 
 @AB_CD@.jar: