2 files changed, 10 insertions, 65 deletions
diff --git a/flake.lock b/flake.lock
index a57f1a1..e6d08bb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,23 +1,5 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1785454630,
@@ -36,24 +18,8 @@
     },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 08be40f..adc3eea 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,42 +1,21 @@
 {
   description = "Firefox userChrome.css";
-
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
-  };
-
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   outputs =
+    { self, nixpkgs }:
     {
-      self,
-      nixpkgs,
-      flake-utils,
-    }:
-    flake-utils.lib.eachDefaultSystem (
-      system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in
-      {
-        packages.default = pkgs.stdenvNoCC.mkDerivation {
-          pname = "firefox-userchrome";
-          version = "1.0.0";
-          src = ./.;
-          dontBuild = true;
-          installPhase = ''
-            mkdir -p $out/chrome
-            cp userChrome.css $out/chrome/userChrome.css
-          '';
-        };
+      userChrome = builtins.readFile ./userChrome.css;
 
-        # `nix fmt` formats userChrome.css with prettier
-        formatter = pkgs.writeShellApplication {
+      # `nix fmt` formats userChrome.css with prettier
+      formatter = nixpkgs.lib.mapAttrs (
+        system: pkgs:
+        pkgs.writeShellApplication {
           name = "fmt";
           runtimeInputs = [ pkgs.prettier ];
           text = ''
             prettier --write userChrome.css
           '';
-        };
-      }
-    );
+        }
+      ) nixpkgs.legacyPackages;
+    };
 }