diff --git a/openssh/server/team/lab.yml b/openssh/server/team/lab.yml
index b6c90f8..5dc415e 100644
--- a/openssh/server/team/lab.yml
+++ b/openssh/server/team/lab.yml
@@ -1,10 +1,4 @@
 parameters:
-  _param:
-    linux_system_user_sudo: true
-    # This is the public key associated to the default private key setup in
-    # openssh.client.lab
-    cluster_public_key: >-
-      ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDEvr+tWAJ62wROllpSZeaSPxxnVY3R65sfUW8wM6L8tr1knJOTQLoBikmcjISb3ekyPlwubTypGoxb7al06FiNwfr3KDkytflKRGTyMKYgchighuFCfBuePd13cjf1l19TYU7u7a+VuCVWi7pmhDGUkMi24s23OroQb7D14XX17v46wLrqJQi2nrXzN/DWXcn/ycq8IZ7ZFgN/uYlbpfAKX8PCvImbDDO8+BgndAy4MPz8cWOWsnfGMVNePhvhazVcijLvx8Vu2Iuvg7CoJiSGjTe7YTms44/WpnFkHreyK8cwsw4wzls4BApu6UU2jIAsAMZh9zux/Rtni71dcNfF
   linux:
     system:
       user:
@@ -17,10 +11,10 @@
       permit_root_login: true
       user:
         root:
-          enabled: true
+          enabled: false
           user: ${linux:system:user:root}
           public_keys:
           - ${public_keys:root}
   public_keys:
     root:
-      key: ${_param:cluster_public_key}
+      key: ${_param:root_public_key}