diff --git a/hosts/configuration.nix b/hosts/configuration.nix
index 640fdaa..020dab4 100644
--- a/hosts/configuration.nix
+++ b/hosts/configuration.nix
@@ -24,6 +24,12 @@
     shell = pkgs.zsh;                       # Default shell
     uid = 2000;
     initialPassword = "password95";
+    openssh.authorizedKeys = [
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIANmaraVJ/o20c4dqVnGLp/wGck9QNHFPvO9jcEbKS29AAAABHNzaDo= kabbone@kabc"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIIgo4IP8ISUohyAMiDc3zEe6ESUE3un7eN5FhVtxZHmcAAAABHNzaDo= kabbone@kabc"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKVDApb3vZ+i97V4xLJh8rUF6z5OVYfORlXYbLhdQO15AAAABHNzaDo= kabbone@hades.home.opel-online.de"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIB0q++epdX7feQxvmC2m/CJEoJbkqtAJy6Ml6WKHxryZAAAABHNzaDo= kabbone@hades.home.opel-online.de"
+    ];
   };
   #security.sudo.wheelNeedsPassword = true; # User does not need to give password when using sudo.
 
diff --git a/hosts/q920/default.nix b/hosts/q920/default.nix
index b90a28b..ec229b9 100644
--- a/hosts/q920/default.nix
+++ b/hosts/q920/default.nix
@@ -69,7 +69,6 @@
     pcscd.enable = true;
     udev.packages = [ 
         pkgs.nitrokey-udev-rules
-        yubikey-personalization
     ];
     printing = {                            # Printing and drivers for TS5300
       enable = true;