diff --git a/clanServices/flake-module.nix b/clanServices/flake-module.nix
index 97a4c9115..ea61f29aa 100644
--- a/clanServices/flake-module.nix
+++ b/clanServices/flake-module.nix
@@ -18,4 +18,10 @@
       imports = map (name: ./. + "/${name}/flake-module.nix") validModuleDirs;
     in
     imports;
+
+  flake.clanModules = builtins.throw ''
+    clanModules have been removed!
+
+    Refer to https://docs.clan.lol/guides/migrations/migrate-inventory-services for migration.
+  '';
 }