diff --git a/flake.lock b/flake.lock
index 93040fa4..49dd48d6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "lastModified": 1733328505,
+        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
         "type": "github"
       },
       "original": {
@@ -37,29 +37,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -89,34 +71,13 @@
         "type": "github"
       }
     },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nixFlake",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1703863825,
-        "narHash": "sha256-rXwqjtwiGKJheXB43ybM8NwWB8rO2dSRrEqes0S7F5Y=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "5163432afc817cf8bd1f031418d1869e4c9d5547",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712163089,
-        "narHash": "sha256-Um+8kTIrC19vD4/lUCN9/cU9kcOsD1O1m+axJqQPyMM=",
+        "lastModified": 1734424634,
+        "narHash": "sha256-cHar1vqHOOyC7f1+tVycPoWTfKIaqkoe1Q6TnKzuti4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fd281bd6b7d3e32ddfa399853946f782553163b5",
+        "rev": "d3c42f187194c26d9f0309a8ecc469d6c878ce33",
         "type": "github"
       },
       "original": {
@@ -128,27 +89,27 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1710695816,
-        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
+        "lastModified": 1730741070,
+        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
+        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.11",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1718428119,
-        "narHash": "sha256-WdWDpNaq6u1IPtxtYHHWpl5BmabtpmLnMAx0RdJ/vo8=",
+        "lastModified": 1728538411,
+        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e6cea36f83499eb4e9cd184c8a8e823296b50ad5",
+        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
         "type": "github"
       },
       "original": {
@@ -158,36 +119,9 @@
         "type": "github"
       }
     },
-    "poetry2nixFlake": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nix-github-actions": "nix-github-actions",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": "systems_3",
-        "treefmt-nix": "treefmt-nix"
-      },
-      "locked": {
-        "lastModified": 1708589824,
-        "narHash": "sha256-2GOiFTkvs5MtVF65sC78KNVxQSmsxtk0WmV1wJ9V2ck=",
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "3c92540611f42d3fb2d0d084a6c694cd6544b609",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "type": "github"
-      }
-    },
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat_2",
-        "flake-utils": [
-          "flake-utils"
-        ],
         "gitignore": "gitignore",
         "nixpkgs": [
           "nixpkgs"
@@ -195,11 +129,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1712055707,
-        "narHash": "sha256-4XLvuSIDZJGS17xEwSrNuJLL7UjDYKGJSbK1WWX2AK8=",
+        "lastModified": 1734425854,
+        "narHash": "sha256-nzE5UbJ41aPEKf8R2ZFYtLkqPmF7EIUbNEdHMBLg0Ig=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "e35aed5fda3cc79f88ed7f1795021e559582093a",
+        "rev": "0ddd26d0925f618c3a5d85a4fa5eb1e23a09491d",
         "type": "github"
       },
       "original": {
@@ -213,7 +147,6 @@
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
-        "poetry2nixFlake": "poetry2nixFlake",
         "pre-commit-hooks": "pre-commit-hooks",
         "rust-overlay": "rust-overlay"
       }
@@ -223,11 +156,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1725848835,
-        "narHash": "sha256-u4lCr+tOEWhsFiww5G04U5jUNzaQJi0/ZMIDGiLeT14=",
+        "lastModified": 1734575524,
+        "narHash": "sha256-BxQ/4JuHEi0zRjF0P8B5xnbXOLulgsK2gfwVRXGZ4a4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "2ef910a6276a2f34513d18f2f826a8dea72c3b3f",
+        "rev": "573c674a3ad06e8a525263185ebef336a411d1d5",
         "type": "github"
       },
       "original": {
@@ -250,56 +183,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "id": "systems",
-        "type": "indirect"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nixFlake",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1708335038,
-        "narHash": "sha256-ETLZNFBVCabo7lJrpjD6cAbnE11eDOjaQnznmg/6hAE=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "e504621290a1fd896631ddbc5e9c16f4366c9f65",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 39a567c2..3f2309a1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,11 +68,6 @@
           ] ++ lib.optionals (!stdenv.isDarwin) [
             cargo-watch # broken: https://github.com/NixOS/nixpkgs/issues/146349
           ];
-        # nixWithFlakes allows pre v2.4 nix installations to use
-        # flake commands (like `nix flake update`)
-        nixWithFlakes = pkgs.writeShellScriptBin "nix" ''
-          exec ${pkgs.nixFlakes}/bin/nix --experimental-features "nix-command flakes" "$@"
-        '';
         cargo-llvm-cov = pkgs.rustPlatform.buildRustPackage rec {
           pname = "cargo-llvm-cov";
           version = "0.5.0";
@@ -169,7 +164,6 @@
           buildInputs = with pkgs;
             [
               rust-bin.nightly.latest.rust-analyzer
-              nixWithFlakes
               nixpkgs-fmt
               git
               mdbook # make-doc, documentation generation
@@ -183,14 +177,13 @@
             shellHook = shellHook;
             buildInputs = with pkgs;
               [
-                nixWithFlakes
                 git
                 nightlyToolchain
               ] ++ rustDeps;
           };
           perfShell = pkgs.mkShell {
             shellHook = shellHook;
-            buildInputs = [ nixWithFlakes cargo-llvm-cov rustToolchain ] ++ rustDeps;
+            buildInputs = [ cargo-llvm-cov rustToolchain ] ++ rustDeps;
 
             inherit RUST_SRC_PATH RUST_BACKTRACE RUST_LOG RUSTFLAGS CARGO_TARGET_DIR;
           };