diff --git a/hosts/thinknix/default.nix b/hosts/thinknix/default.nix
index 431f3ba..92abe46 100644
--- a/hosts/thinknix/default.nix
+++ b/hosts/thinknix/default.nix
@@ -33,4 +33,7 @@
   # servers. You should change this only after NixOS release notes say you
   # should.
   system.stateVersion = "18.09"; # Did you read the comment?
+
+  # since 25.05, this broke and started to slow down system startup. tpm is currently not utilised on this host, so simply disable.
+  security.tpm2.enable = false;
 }
diff --git a/hosts/thinknix/hardware-configuration.nix b/hosts/thinknix/hardware-configuration.nix
index e60ac46..74708b5 100644
--- a/hosts/thinknix/hardware-configuration.nix
+++ b/hosts/thinknix/hardware-configuration.nix
@@ -21,7 +21,6 @@
   boot.extraModulePackages = [ ];
 
   nix.settings.max-jobs = lib.mkDefault 4;
-  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 
   # modesetting is always better than intel (legacy)
   services.xserver.videoDrivers = [ "modesetting" ];