diff --git a/devenv.lock b/devenv.lock
index d2b5e4e..875aa94 100644
--- a/devenv.lock
+++ b/devenv.lock
@@ -71,24 +71,6 @@
       "inputs": {
         "systems": "systems_2"
       },
-      "locked": {
-        "lastModified": 1710146030,
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "treeHash": "bd263f021e345cb4a39d80c126ab650bebc3c10c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_3": {
-      "inputs": {
-        "systems": "systems_3"
-      },
       "locked": {
         "lastModified": 1710146030,
         "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
@@ -124,42 +106,6 @@
         "type": "github"
       }
     },
-    "mk-shell-bin": {
-      "locked": {
-        "lastModified": 1677004959,
-        "owner": "rrbutani",
-        "repo": "nix-mk-shell-bin",
-        "rev": "ff5d8bd4d68a347be5042e2f16caee391cd75887",
-        "treeHash": "496327dabdc787353a29987f492dd4939151baad",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rrbutani",
-        "repo": "nix-mk-shell-bin",
-        "type": "github"
-      }
-    },
-    "nix2container": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1724996935,
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "fa6bb0a1159f55d071ba99331355955ae30b3401",
-        "treeHash": "a934d246fadcf8b36d28f3577fad413f5ab3f7d3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1725001927,
@@ -179,7 +125,7 @@
     "nixpkgs-ruby": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
@@ -231,7 +177,7 @@
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat_2",
-        "flake-utils": "flake-utils_3",
+        "flake-utils": "flake-utils_2",
         "gitignore": "gitignore",
         "nixpkgs": [
           "nixpkgs"
@@ -255,8 +201,6 @@
     "root": {
       "inputs": {
         "devenv": "devenv",
-        "mk-shell-bin": "mk-shell-bin",
-        "nix2container": "nix2container",
         "nixpkgs": "nixpkgs",
         "nixpkgs-ruby": "nixpkgs-ruby",
         "pre-commit-hooks": "pre-commit-hooks"
@@ -278,21 +222,6 @@
       }
     },
     "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "treeHash": "cce81f2a0f0743b2eb61bc2eb6c7adbe2f2c6beb",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
       "locked": {
         "lastModified": 1681028828,
         "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
diff --git a/devenv.yaml b/devenv.yaml
index 7e5376c..c3f54eb 100644
--- a/devenv.yaml
+++ b/devenv.yaml
@@ -1,12 +1,5 @@
 allowUnfree: true
 inputs:
-  nix2container:
-    url: github:nlewo/nix2container
-    inputs:
-      nixpkgs:
-        follows: nixpkgs
-  mk-shell-bin:
-    url: github:rrbutani/nix-mk-shell-bin
   nixpkgs:
     url: github:NixOS/nixpkgs/nixos-24.05
   nixpkgs-ruby: