diff --git a/flake.lock b/flake.lock
index c862594..4475846 100644
--- a/flake.lock
+++ b/flake.lock
@@ -15,21 +15,6 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
-      "locked": {
-        "lastModified": 1667077288,
-        "narHash": "sha256-bdC8sFNDpT0HK74u9fUkpbf1MEzVYJ+ka7NXCdgBoaA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "6ee9ebb6b1ee695d2cacc4faa053a7b9baa76817",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1668908668,
@@ -46,44 +31,10 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1667292599,
-        "narHash": "sha256-7ISOUI1aj6UKMPIL+wwthENL22L3+A9V+jS8Is3QsRo=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "ef2f213d9659a274985778bff4ca322f3ef3ac68",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "pre-commit-hooks": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1668960094,
-        "narHash": "sha256-RwSw+hh4Vacceh57gSaquzUoDmBu+ey6rjR+mZ8vsIg=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "0c9555d4e0943fec80a9087b8d3855a49533f399",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "pre-commit-hooks": "pre-commit-hooks"
+        "nixpkgs": "nixpkgs"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 1a60462..8da9607 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,11 +9,9 @@
       url = github:numtide/flake-utils;
       inputs.nixpkgs.follows = "nixpkgs";
     };
-
-    pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
   };
 
-  outputs = { self, nixpkgs, flake-utils, pre-commit-hooks }:
+  outputs = { self, nixpkgs, flake-utils }:
     let
       ghcVersion = "924";
       compiler = "ghc${ghcVersion}";
@@ -53,7 +51,6 @@
         # Note: cannot reference anything that depends on `evalPkgs` like `hsPkgs`
         # otherwise non-x86_64-linux users will not be able to build the dev env
         devShell = pkgs.mkShell {
-          inherit (self.checks.${system}.pre-commit-check) shellHook;
           buildInputs = with pkgs; [
             cabal2nix
             cabal-install
@@ -73,23 +70,6 @@
           cofree-bot = hsPkgs.cofree-bot;
         };
 
-        checks = {
-          pre-commit-check = pre-commit-hooks.lib.${system}.run {
-            src = ./.;
-            hooks = {
-              nixpkgs-fmt.enable = true;
-              ormolu = {
-                name = "ormolu";
-                entry = "${pkgs.ormolu}/bin/ormolu --mode inplace $(git ls-files '*.hs')";
-                files = "\\.l?hs$";
-                language = "system";
-                pass_filenames = false;
-              };
-              cabal-fmt.enable = true;
-            };
-          };
-        };
-
         defaultPackage = packages.cofree-bot;
       });
 }