diff --git a/flake.lock b/flake.lock
index 25fce10e..60d0abf0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -14,47 +14,12 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1736320768,
-        "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay",
         "utils": "utils"
       }
     },
-    "rust-overlay": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1743647602,
-        "narHash": "sha256-fXd8fA6HR7MlUJQzz31zjBzUji4HpGCJ7CMVKSZOe8c=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "5b2d60b2e25bcb498103f6fae08da561f6b671da",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
diff --git a/flake.nix b/flake.nix
index 57ed3e1b..5818f8d6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,19 +1,16 @@
 {
   inputs = {
     utils.url = "github:numtide/flake-utils";
-    rust-overlay.url = "github:oxalica/rust-overlay";
   };
   outputs = {
     self,
     nixpkgs,
     utils,
-    rust-overlay,
   }:
     utils.lib.eachDefaultSystem (
       system: let
-        overlays = [(import rust-overlay)];
         pkgs = import nixpkgs {
-          inherit system overlays;
+          inherit system;
         };
       in {
         devShell = with pkgs;