diff --git a/nix/configuration.nix b/nix/configuration.nix
index 3eb2631..c34243a 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -20,7 +20,7 @@
       systemd-boot.enable = true;
       efi.canTouchEfiVariables = true;
     };
-    cleanTmpDir = true;
+    tmp.cleanOnBoot = true;
     kernelPackages = pkgs.linuxPackages_latest;
     extraModulePackages = with config.boot.kernelPackages; [
       rtl8821ce
diff --git a/nix/flake.nix b/nix/flake.nix
index 45054a9..f01f7b7 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -16,7 +16,6 @@
     nixosConfigurations = {
       ytnix = lib.nixosSystem {
         specialArgs = { inherit inputs; };
-        system = "x86_64-linux";
         modules = [
           ./configuration.nix
           sops-nix.nixosModules.sops