diff --git a/systems/x86_64-linux/t15/default.nix b/systems/x86_64-linux/t15/default.nix
index 07c6801..82f46ae 100644
--- a/systems/x86_64-linux/t15/default.nix
+++ b/systems/x86_64-linux/t15/default.nix
@@ -1,6 +1,4 @@
-{ pkgs, lib, ... }:
-with lib;
-with lib.plusultra;
+{ ... }:
 {
   imports = [ ./hardware-configuration.nix ];
 
@@ -11,7 +9,7 @@ with lib.plusultra;
     nix.enable = true;
     nix.extra-substituters."https://nixsgx.cachix.org".key = "nixsgx.cachix.org-1:tGi36DlY2joNsIXOlGnSgWW0+E094V6hW0umQRo/KoE=";
     podman.enable = true;
-    secureboot.enable = false;
+    secureboot.enable = true;
   };
 
   system.autoUpgrade = {