diff --git a/.envrc b/.envrc
index 30da14f..e6de847 100644
--- a/.envrc
+++ b/.envrc
@@ -1,5 +1 @@
-export DIRENV_WARN_TIMEOUT=20s
-
-eval "$(devenv direnvrc)"
-
-use devenv
+jj git fetch
diff --git a/devenv.lock b/devenv.lock
deleted file mode 100644
index fa57873..0000000
--- a/devenv.lock
+++ /dev/null
@@ -1,103 +0,0 @@
-{
-  "nodes": {
-    "devenv": {
-      "locked": {
-        "dir": "src/modules",
-        "lastModified": 1745262952,
-        "owner": "cachix",
-        "repo": "devenv",
-        "rev": "22465406d7981bb11043bd517ad97fc49d247687",
-        "type": "github"
-      },
-      "original": {
-        "dir": "src/modules",
-        "owner": "cachix",
-        "repo": "devenv",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1733328505,
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "git-hooks": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1742649964,
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "rev": "dcf5072734cb576d2b0c59b2ac44f5050b5eac82",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "git-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1733477122,
-        "owner": "cachix",
-        "repo": "devenv-nixpkgs",
-        "rev": "7bd9e84d0452f6d2e63b6e6da29fe73fac951857",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "rolling",
-        "repo": "devenv-nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "devenv": "devenv",
-        "git-hooks": "git-hooks",
-        "nixpkgs": "nixpkgs",
-        "pre-commit-hooks": [
-          "git-hooks"
-        ]
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/devenv.nix b/devenv.nix
deleted file mode 100644
index 71db03b..0000000
--- a/devenv.nix
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-  pkgs,
-  lib,
-  config,
-  inputs,
-  ...
-}: {
-  # https://devenv.sh/basics/
-  # env.GREET = "devenv";
-
-  # https://devenv.sh/packages/
-  packages = with pkgs; [];
-
-  # https://devenv.sh/languages/
-  # languages.rust.enable = true;
-
-  # https://devenv.sh/processes/
-  # processes.cargo-watch.exec = "cargo-watch";
-
-  # https://devenv.sh/services/
-  # services.postgres.enable = true;
-
-  # https://devenv.sh/scripts/
-  # scripts.hello.exec = ''
-  #   echo hello from $GREET
-  # '';
-
-  enterShell = ''
-    jj git fetch
-  '';
-
-  # https://devenv.sh/tasks/
-  # tasks = {
-  #   "myproj:setup".exec = "mytool build";
-  #   "devenv:enterShell".after = [ "myproj:setup" ];
-  # };
-
-  # https://devenv.sh/tests/
-  # enterTest = ''
-  #   echo "Running tests"
-  #   git --version | grep --color=auto "${pkgs.git.version}"
-  # '';
-
-  # https://devenv.sh/git-hooks/
-  # git-hooks.hooks.shellcheck.enable = true;
-
-  # See full reference at https://devenv.sh/reference/options/
-  cachix.enable = false;
-}
diff --git a/devenv.yaml b/devenv.yaml
deleted file mode 100644
index 116a2ad..0000000
--- a/devenv.yaml
+++ /dev/null
@@ -1,15 +0,0 @@
-# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
-inputs:
-  nixpkgs:
-    url: github:cachix/devenv-nixpkgs/rolling
-
-# If you're using non-OSS software, you can set allowUnfree to true.
-# allowUnfree: true
-
-# If you're willing to use a package that's vulnerable
-# permittedInsecurePackages:
-#  - "openssl-1.1.1w"
-
-# If you have more than one devenv you can merge them
-#imports:
-# - ./backend