diff --git a/flake.nix b/flake.nix
index 6bd2392..c94f495 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,28 +22,25 @@
       pkgs = import nixpkgs {inherit system overlays;};
       isLinux = pkgs.lib.hasInfix "linux" system;
 
-      rustToolchain = pkgs.rust-bin.stable.latest.default.override {
-        extensions = ["rust-src" "clippy" "rustfmt"];
-        targets = pkgs.lib.optionals isLinux ["x86_64-unknown-linux-musl"];
-      };
-
       buildPkgs =
         if isLinux
         then pkgs.pkgsMusl
         else pkgs;
 
+      rustToolchain = pkgs.rust-bin.stable.latest.default.override {
+        extensions = ["rust-src" "clippy" "rustfmt"];
+        targets = pkgs.lib.optionals isLinux ["x86_64-unknown-linux-musl"];
+      };
+
       generatedCargoNix = crate2nix.tools.${system}.generatedCargoNix {
         name = "improvise";
         src = ./.;
       };
 
+      musliTarget = "x86_64-unknown-linux-musl";
+
       cargoNix = import generatedCargoNix {
-        inherit pkgs;
-        buildRustCrateForPkgs = pkgs:
-          buildPkgs.buildRustCrate.override {
-            rustc = rustToolchain;
-            cargo = rustToolchain;
-          };
+        pkgs = pkgs;
       };
     in {
       devShells.default = pkgs.mkShell ({