diff --git a/systems/x86_64-linux/LoyAdjo/default.nix b/systems/x86_64-linux/LoyAdjo/default.nix
index fb015bc..9ecb1e1 100644
--- a/systems/x86_64-linux/LoyAdjo/default.nix
+++ b/systems/x86_64-linux/LoyAdjo/default.nix
@@ -10,16 +10,9 @@
   nix.package = pkgs.lix;
   nix.settings = {
     experimental-features = [ "nix-command" "flakes" ];
-    substituters = [ "https://cache.games01.kb-one.de" ];
     trusted-users = [ "remotebuild" ];
-    trusted-public-keys = [ 
-      "cache.game01.kb-one.de:JF++7CgrasYciQeB5jlziqT5BTjaknEk9cMeh4lQf30="
-    ];
   };
   nixpkgs.config.allowUnfree = true;
-  nixpkgs.config.permittedInsecurePackages = [
-    "electron-27.3.11"
-  ];
 
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
@@ -88,6 +81,9 @@
     ];
   };
 
+  # Steam
+  programs.steam.enable = true;
+
   # SSH
   programs.ssh.startAgent = true;
   services.openssh = {