diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9dd7cea..7f3e77d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,3 +12,8 @@ repos:
       - id: ruff-format
       - id: ruff
         args: [ --fix ]
+  - repo: https://github.com/kamadorueda/alejandra
+    rev: 3.0.0
+    hooks:
+       # Requires Alejandra to be previously installed in the system
+      - id: alejandra-system
diff --git a/flake.lock b/flake.lock
index 0c55fa2..770a058 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,80 +1,6 @@
 {
   "nodes": {
-    "alejandra": {
-      "inputs": {
-        "fenix": "fenix",
-        "flakeCompat": "flakeCompat",
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1694541876,
-        "narHash": "sha256-lStDIPizbJipd1JpNKX1olBKzyIosyC2U/mVFwJPcZE=",
-        "owner": "kamadorueda",
-        "repo": "alejandra",
-        "rev": "e53c2c6c6c103dc3f848dbd9fbd93ee7c69c109f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "kamadorueda",
-        "repo": "alejandra",
-        "type": "github"
-      }
-    },
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "alejandra",
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1668234453,
-        "narHash": "sha256-FmuZThToBvRsqCauYJ3l8HJoGLAY5cMULeYEKIaGrRw=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "8f219f6b36e8d0d56afa7f67e6e3df63ef013cdb",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
-    "flakeCompat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1668226844,
-        "narHash": "sha256-G/S4FBWDAqHeBS/hfXwUCJbnaKnrQFoeeKwzvZEOgxM=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "dd4767bf613bf9553eee6ff37c0996b9c876e7d8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
       "locked": {
         "lastModified": 1706371002,
         "narHash": "sha256-dwuorKimqSYgyu8Cw6ncKhyQjUDOyuXoxDTVmAXq88s=",
@@ -92,28 +18,10 @@
     },
     "root": {
       "inputs": {
-        "alejandra": "alejandra",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "systems": "systems"
       }
     },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1668182250,
-        "narHash": "sha256-PYGaOCiFvnJdVz+ZCaKF8geGdffXjJUNcMwaBHv0FT4=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "45ec315e01dc8dd1146dfeb65f0ef6e5c2efed78",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
-    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
diff --git a/flake.nix b/flake.nix
index 8bb9eef..f6cd00a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,14 +4,12 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     systems.url = "github:nix-systems/default";
-    alejandra.url = "github:kamadorueda/alejandra";
   };
 
   outputs = {
     self,
     nixpkgs,
     systems,
-    alejandra,
   }: let
     inherit (nixpkgs) lib;
     eachSystem = fn:
@@ -56,7 +54,5 @@
         packages = with pkgs; [fontforge python3 pre-commit];
       };
     });
-
-    formatter = eachSystem (system: _: alejandra.packages.${system}.default);
   };
 }