diff --git a/src/flake/default.nix b/src/flake/default.nix
index b3b1eaf..b390d00 100644
--- a/src/flake/default.nix
+++ b/src/flake/default.nix
@@ -6,7 +6,12 @@
   system,
 }:
 let
-  overlay = import ./overlay.nix { inherit root; };
+  overlay = final: _prev: {
+    alexion = import ./packages {
+      pkgs = final;
+      inherit root;
+    };
+  };
   pkgs = import inputs.nixpkgs {
     inherit system;
     overlays = [ overlay ];
diff --git a/src/flake/overlay.nix b/src/flake/overlay.nix
deleted file mode 100644
index c93db45..0000000
--- a/src/flake/overlay.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{ root }:
-final: _prev: {
-  alexion = import ./packages {
-    pkgs = final;
-    inherit root;
-  };
-}