diff --git a/systems/x86_64-linux/nixtee1/default.nix b/systems/x86_64-linux/nixtee1/default.nix
index e376b36..2d419d9 100644
--- a/systems/x86_64-linux/nixtee1/default.nix
+++ b/systems/x86_64-linux/nixtee1/default.nix
@@ -13,6 +13,9 @@
   boot.loader.grub.device = "/dev/vda";
   boot.loader.grub.useOSProber = true;
 
+  security.tpm2.enable = false;
+  security.tpm2.abrmd.enable = false;
+
   metacfg = {
     base.enable = true;
     nix-ld.enable = true;