diff --git a/hosts/uconsole-cm5/configuration.nix b/hosts/uconsole-cm5/configuration.nix
index 83c7bed..c0c6fce 100644
--- a/hosts/uconsole-cm5/configuration.nix
+++ b/hosts/uconsole-cm5/configuration.nix
@@ -20,16 +20,8 @@
     users.ai-worker.main
   ];
 
-  # AI worker user (Hermes SSH access)
-  users.users.ai-worker = {
-    isNormalUser = false;
-    shell = pkgs.bash;
-    openssh.authorizedKeys.keys = with keys; [
-      users.ai-worker.main
-    ];
-  };
-
-  # Age secret for gortium password (file created by user)
+  # Gitsign: sign git commits with age identity
+  programs.gitsign.enable = true;
   age.secrets.gortium_password = {
     file = ../secrets/gortium_password.age;
   };