diff --git a/dev/flake.lock b/dev/flake.lock
index 3e6c2b9..60bc8b0 100644
--- a/dev/flake.lock
+++ b/dev/flake.lock
@@ -1,132 +1,5 @@
 {
   "nodes": {
-    "alejandra": {
-      "inputs": {
-        "fenix": "fenix",
-        "flakeCompat": "flakeCompat",
-        "nixpkgs": [
-          "dream2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1658427149,
-        "narHash": "sha256-ToD/1z/q5VHsLMrS2h96vjJoLho59eNRtknOUd19ey8=",
-        "owner": "kamadorueda",
-        "repo": "alejandra",
-        "rev": "f5a22afd2adfb249b4e68e0b33aa1f0fb73fb1be",
-        "type": "github"
-      },
-      "original": {
-        "owner": "kamadorueda",
-        "repo": "alejandra",
-        "type": "github"
-      }
-    },
-    "all-cabal-json": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1665552503,
-        "narHash": "sha256-r14RmRSwzv5c+bWKUDaze6pXM7nOsiz1H8nvFHJvufc=",
-        "owner": "nix-community",
-        "repo": "all-cabal-json",
-        "rev": "d7c0434eebffb305071404edcf9d5cd99703878e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "hackage",
-        "repo": "all-cabal-json",
-        "type": "github"
-      }
-    },
-    "crane": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1661875961,
-        "narHash": "sha256-f1h/2c6Teeu1ofAHWzrS8TwBPcnN+EEu+z1sRVmMQTk=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "d9f394e4e20e97c2a60c3ad82c2b6ef99be19e24",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "devshell": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1663445644,
-        "narHash": "sha256-+xVlcK60x7VY1vRJbNUEAHi17ZuoQxAIH4S4iUFUGBA=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "e3dc3e21594fe07bdb24bdf1c8657acaa4cb8f66",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "dream2nix": {
-      "inputs": {
-        "alejandra": "alejandra",
-        "all-cabal-json": "all-cabal-json",
-        "crane": "crane",
-        "devshell": "devshell",
-        "flake-utils-pre-commit": "flake-utils-pre-commit",
-        "ghc-utils": "ghc-utils",
-        "gomod2nix": "gomod2nix",
-        "mach-nix": "mach-nix",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "poetry2nix": "poetry2nix",
-        "pre-commit-hooks": [
-          "pre-commit-hooks-nix"
-        ]
-      },
-      "locked": {
-        "lastModified": 1668037398,
-        "narHash": "sha256-2N/KCus0Stm9qa7rotuvA6QW35KwXERphE5xxgudses=",
-        "owner": "nix-community",
-        "repo": "dream2nix",
-        "rev": "e98ca58528f9b4d1fa8cc3135c02c4306ec81364",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "dream2nix",
-        "type": "github"
-      }
-    },
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "dream2nix",
-          "alejandra",
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1657607339,
-        "narHash": "sha256-HaqoAwlbVVZH2n4P3jN2FFPMpVuhxDy1poNOR7kzODc=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "b814c83d9e6aa5a28d0cf356ecfdafb2505ad37d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -181,21 +54,6 @@
         "type": "github"
       }
     },
-    "flake-utils-pre-commit": {
-      "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "flake-utils_2": {
       "locked": {
         "lastModified": 1667077288,
@@ -211,69 +69,6 @@
         "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"
-      }
-    },
-    "ghc-utils": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1662774800,
-        "narHash": "sha256-1Rd2eohGUw/s1tfvkepeYpg8kCEXiIot0RijapUjAkE=",
-        "ref": "refs/heads/master",
-        "rev": "bb3a2d3dc52ff0253fb9c2812bd7aa2da03e0fea",
-        "revCount": 1072,
-        "type": "git",
-        "url": "https://gitlab.haskell.org/bgamari/ghc-utils"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://gitlab.haskell.org/bgamari/ghc-utils"
-      }
-    },
-    "gomod2nix": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1627572165,
-        "narHash": "sha256-MFpwnkvQpauj799b4QTBJQFEddbD02+Ln5k92QyHOSk=",
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "rev": "67f22dd738d092c6ba88e420350ada0ed4992ae8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "type": "github"
-      }
-    },
-    "haskell-flake": {
-      "locked": {
-        "lastModified": 1668167720,
-        "narHash": "sha256-5wDTR6xt9BB3BjgKR+YOjOkZgMyDXKaX79g42sStzDU=",
-        "owner": "srid",
-        "repo": "haskell-flake",
-        "rev": "4fc511d93a55fedf815c1647ad146c26d7a2054e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "srid",
-        "repo": "haskell-flake",
-        "type": "github"
-      }
-    },
     "hercules-ci-agent": {
       "inputs": {
         "flake-parts": "flake-parts_2",
@@ -315,21 +110,6 @@
         "type": "github"
       }
     },
-    "mach-nix": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1634711045,
-        "narHash": "sha256-m5A2Ty88NChLyFhXucECj6+AuiMZPHXNbw+9Kcs7F6Y=",
-        "owner": "DavHau",
-        "repo": "mach-nix",
-        "rev": "4433f74a97b94b596fa6cd9b9c0402104aceef5d",
-        "type": "github"
-      },
-      "original": {
-        "id": "mach-nix",
-        "type": "indirect"
-      }
-    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -417,23 +197,6 @@
         "type": "github"
       }
     },
-    "poetry2nix": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1632969109,
-        "narHash": "sha256-jPDclkkiAy5m2gGLBlKgH+lQtbF7tL4XxBrbSzw+Ioc=",
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "aee8f04296c39d88155e05d25cfc59dfdd41cc77",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "1.21.0",
-        "repo": "poetry2nix",
-        "type": "github"
-      }
-    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -481,29 +244,10 @@
     },
     "root": {
       "inputs": {
-        "dream2nix": "dream2nix",
-        "haskell-flake": "haskell-flake",
         "hercules-ci-effects": "hercules-ci-effects",
         "nixpkgs": "nixpkgs_3",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix_2"
       }
-    },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1657557289,
-        "narHash": "sha256-PRW+nUwuqNTRAEa83SfX+7g+g8nQ+2MMbasQ9nt6+UM=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "caf23f29144b371035b864a1017dbc32573ad56d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/dev/flake.nix b/dev/flake.nix
index ae07d5d..61815c8 100644
--- a/dev/flake.nix
+++ b/dev/flake.nix
@@ -7,17 +7,9 @@
     # we can't use the `nix` CLI as expected.
 
     nixpkgs.url = "github:hercules-ci/nixpkgs/options-markdown-and-errors";
-
     pre-commit-hooks-nix.url = "github:cachix/pre-commit-hooks.nix";
     pre-commit-hooks-nix.inputs.nixpkgs.follows = "nixpkgs";
-
     hercules-ci-effects.url = "github:hercules-ci/hercules-ci-effects";
-
-    haskell-flake.url = "github:srid/haskell-flake";
-    haskell-flake.inputs.nixpkgs.follows = "nixpkgs";
-    dream2nix.url = "github:nix-community/dream2nix";
-    dream2nix.inputs.pre-commit-hooks.follows = "pre-commit-hooks-nix";
-    dream2nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = { self, ... }: