diff --git a/README.md b/README.md
index 1bfa35a..25c0c52 100644
--- a/README.md
+++ b/README.md
@@ -293,9 +293,7 @@ So here are some Guidelines.
 
 ## Coding style and linting.
 If you run `nix flake check` there are automated checks in place, please make sure to pass them.
-There is also a code autoformatter (`alejandra`) incorporated into those. If you want to run
-it you can do so over the development shell or by running `nix fmt`.
-You can also install
+There is also a code autoformatter (`alejandra`) incorporated into those. You can also install
 them into your local git repository as pre-commit hooks, and setting up a shell that has
 even more tooling by running `nix develop`. That will give you a bash in which you can run
 all the checks manually `pre-commit run -a`. This will also run the autoformatter.
diff --git a/flake-module.nix b/flake-module.nix
index b1d1d42..8584c3d 100644
--- a/flake-module.nix
+++ b/flake-module.nix
@@ -26,6 +26,7 @@
       ];
     in {
       check.enable = true;
+      pkgs = inputs'.nixpkgs.legacyPackages;
       settings = {
         # for some reason statix takes it config differently than all the other hooks.
         settings.statix = {
@@ -44,8 +45,6 @@
       };
     };
 
-    formatter = pkgs.alejandra;
-
     # Per-system attributes can be defined here. The self' and inputs'
     # module parameters provide easy access to attributes of the same
     # system.