diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 8b79ea0f1c8..43bf489b0e5 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -737,9 +737,6 @@ mapAliases ({
   youtubeDL = youtube-dl;  # added 2014-10-26
   ytop = throw "ytop has been abandoned by upstream. Consider switching to bottom instead";
   zdfmediathk = mediathekview; # added 2019-01-19
-  gnomeExtensions = gnomeExtensions // {
-    unite-shell = gnomeExtensions.unite; # added 2021-01-19
-  };
   gnome_user_docs = gnome-user-docs; # added 2019-11-20
   # spidermonkey is not ABI upwards-ompatible, so only allow this for nix-shell
   spidermonkey = spidermonkey_78; # added 2020-10-09
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 33dcaf37baf..38663fbe95b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27202,6 +27202,8 @@ in
 
     nohotcorner = throw "gnomeExtensions.nohotcorner removed since 2019-10-09: Since 3.34, it is a part of GNOME Shell configurable through GNOME Tweaks.";
     mediaplayer = throw "gnomeExtensions.mediaplayer deprecated since 2019-09-23: retired upstream https://github.com/JasonLG1979/gnome-shell-extensions-mediaplayer/blob/master/README.md";
+  } // lib.optionalAttrs (config.allowAliases or false) {
+    unite-shell = gnomeExtensions.unite; # added 2021-01-19
   };
 
   gnome-connections = callPackage ../desktops/gnome-3/apps/gnome-connections { };