diff --git a/machines/shinobu/hardware-configuration.nix b/machines/shinobu/hardware-configuration.nix
index e6133b0..7217e6f 100644
--- a/machines/shinobu/hardware-configuration.nix
+++ b/machines/shinobu/hardware-configuration.nix
@@ -52,5 +52,8 @@
     };
   };
 
+  # no TPM installed, causes boot to be delayed by 90s (timeout waiting for TPM)
+  systemd.tpm2.enable = false;
+
   powerManagement.cpuFreqGovernor = "powersave";
 }