diff --git a/global/system-configuration.nix b/global/system-configuration.nix
index f5391d0..ad8c1f6 100644
--- a/global/system-configuration.nix
+++ b/global/system-configuration.nix
@@ -1,20 +1,10 @@
 {
+  environment.variables.CONTAINERD_NAMESPACE = "k8s.io";
+  environment.variables.CONTAINERD_ADDRESS = "/run/k3s/containerd/containerd.sock";
+  
   time.timeZone = "Asia/Shanghai";
   security.sudo.wheelNeedsPassword = true;
 
-  /*
-  hardware = {
-    opengl = {
-      enable = true;
-      extraPackages = with pkgs; [
-        mesa.drivers
-        libvdpau-va-gl
-        vaapiVdpau
-      ];
-    };
-  };
-  */
-
   # Select internationalisation properties.
   i18n = {
     defaultLocale = "zh_CN.UTF-8";