diff --git a/flake.nix b/flake.nix
index 1993f03..8362afc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,24 +16,25 @@
   };
 
   outputs = { self, nixpkgs, utils, clj2nix, build-tools-src, gitignore, ... }:
-    utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages."${system}";
-        build-tools-jar = pkgs.callPackage ./build.tools.nix {
-          inherit build-tools-src;
-          inherit (gitignore.lib) gitignoreSource;
-        };
-        update-deps = pkgs.callPackage ./update-deps.nix {
-          inherit build-tools-src;
-          inherit clj2nix;
-        };
-      in {
-        packages = utils.lib.flattenTree {
-          mkClojureLib =
-            pkgs.callPackage ./mkClojureLib.nix { inherit build-tools-jar; };
-        };
-        overlay = final: prev: {
-          inherit (self.packages.${system}) mkClojureLib;
-        };
-      });
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages."${system}";
+      build-tools-jar = pkgs.callPackage ./build.tools.nix {
+        inherit build-tools-src;
+        inherit (gitignore.lib) gitignoreSource;
+      };
+      update-deps = pkgs.callPackage ./update-deps.nix {
+        inherit build-tools-src;
+        inherit clj2nix;
+      };
+    in {
+      packages.${system} = utils.lib.flattenTree {
+        mkClojureLib =
+          pkgs.callPackage ./mkClojureLib.nix { inherit build-tools-jar; };
+      };
+      overlay = final: prev: {
+        inherit (self.packages."${system}") mkClojureLib;
+      };
+
+    };
 }