diff --git a/flake.nix b/flake.nix
index 47015fb..5587bed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,6 @@
 {
-  description = "Rust development environment for bunbun using fenix";
+  description = "Rust development environment for bunbun";
   inputs = {
-    fenix = { url = "github:nix-community/fenix"; inputs.nixpkgs.follows = "nixpkgs-unstable"; };
     utils.url = "github:numtide/flake-utils";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
   };
@@ -10,27 +9,17 @@
     utils.lib.eachDefaultSystem
     (
       system: let
-        pkgs = import nixpkgs-unstable { inherit system; overlays = [fenix.overlays.default]; };
-        toolchain = pkgs.fenix.complete;
+        pkgs = import nixpkgs-unstable { inherit system; };
       in rec
       {
         packages.default =
-          (pkgs.makeRustPlatform {
-            inherit (toolchain) cargo rustc;
-          })
-          .buildRustPackage {
+          (pkgs.makeRustPlatform.buildRustPackage {
             pname = "bunbun";
             version = "1.3.0";
             src = ./.;
             cargoLock.lockFile = ./Cargo.lock;
           };
         apps.default = utils.lib.mkApp {drv = packages.default;};
-        devShells.default = pkgs.mkShell rec {
-          buildInputs = with pkgs; [
-            (with toolchain; [ cargo rustc rust-src clippy rustfmt ])
-          ];
-          RUST_SRC_PATH = "${toolchain.rust-src}/lib/rustlib/src/rust/library";
-        };
       }
     );
 }