diff --git a/roles/xmpp_server/molecule/default/host_vars/ldap-server.yml b/roles/xmpp_server/molecule/default/host_vars/ldap-server.yml
index 278d65ae58e744af50a68f00d56fcae0b1f09eb9..9acb1cc465386403e88a8d249c8244ed13c860ea 100644
--- a/roles/xmpp_server/molecule/default/host_vars/ldap-server.yml
+++ b/roles/xmpp_server/molecule/default/host_vars/ldap-server.yml
@@ -39,9 +39,6 @@ backup_host_ssh_private_keys:
   ed25519: "{{ lookup('file', 'tests/data/ssh/server_ed25519') }}"
   ecdsa: "{{ lookup('file', 'tests/data/ssh/server_ecdsa') }}"
 backup_clients:
-  - server: parameters-optional-buster
-    ip: 192.168.56.32
-    public_key: "{{ lookup('file', 'tests/data/ssh/parameters-optional.pub') }}"
   - server: parameters-optional-bullseye
     ip: 192.168.56.42
     public_key: "{{ lookup('file', 'tests/data/ssh/parameters-optional.pub') }}"