diff --git a/lib/nixos/default.nix.bak b/lib/nixos/default.nix.bak
deleted file mode 100644
index c08b2f7..0000000
--- a/lib/nixos/default.nix.bak
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  inputs,
-  nixosModules,
-  overlays,
-  userdata,
-  ...
-}: let
-  helpers = import ./helpers.nix {inherit inputs nixosModules overlays userdata;};
-in {
-  inherit (helpers) mkHost;
-  inherit (helpers) forAllSystems;
-}
diff --git a/lib/nixos/helpers.nix.bak b/lib/nixos/helpers.nix.bak
deleted file mode 100644
index 581d14f..0000000
--- a/lib/nixos/helpers.nix.bak
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-  inputs,
-  nixosModules,
-  overlays,
-  userdata,
-  ...
-}: {
-  # Helper function for generating host configurations.
-  mkHost = {
-    hostname,
-    system ? "x86_64-linux",
-    extraArgs ? {},
-    extraModules ? [],
-  }: let
-    inherit (inputs.nixpkgs) lib;
-  in
-    inputs.nixpkgs.lib.nixosSystem {
-      inherit system;
-      specialArgs =
-        {inherit inputs userdata;}
-        // extraArgs;
-
-      modules =
-        [
-          {
-            networking.hostName = lib.mkDefault hostname;
-            nixpkgs.overlays = overlays;
-          }
-          ../machines/${hostname}
-          nixosModules.default
-          inputs.agenix.nixosModules.default
-          inputs.disko.nixosModules.disko
-          inputs.home-manager.nixosModules.home-manager
-        ]
-        ++ extraModules;
-    };
-
-  forAllSystems = inputs.nixpkgs.lib.genAttrs [
-    "aarch64-linux"
-    "i686-linux"
-    "x86_64-linux"
-    "aarch64-darwin"
-    "x86_64-darwin"
-  ];
-}