diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 8e12893e27e0..600af578338c 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -519,6 +519,7 @@ mapAliases ({
   flink_1_5 = throw "flink_1_5 was removed, use flink instead"; # Added 2021-01-25
   flutter-beta = throw "Non-stable versions of Flutter have been removed. You can use flutterPackages.mkFlutter to generate a package for other Flutter versions"; # Added 2020-01-15
   flutter-dev = throw "Non-stable versions of Flutter have been removed. You can use flutterPackages.mkFlutter to generate a package for other Flutter versions"; # Added 2020-01-15
+  flutter2 = throw "flutter2 has been removed because it isn't updated anymore, and no packages in nixpkgs use it. If you still need it, use flutter.mkFlutter to get a custom version"; # Added 2023-07-03
   flvtool2 = throw "flvtool2 has been removed"; # Added 2020-11-03
   fme = throw "fme was removed, because it is old and uses Glade, a discontinued library"; # Added 2022-01-26
   foldingathome = fahclient; # Added 2020-09-03