diff --git a/hosts_roles.yml b/hosts_roles.yml
index 75552a7..37791d4 100755
--- a/hosts_roles.yml
+++ b/hosts_roles.yml
@@ -196,7 +196,6 @@ datacenter:
           vars:
             ansible_python_interpreter: /usr/bin/python3
             ansible_ssh_user: jd
-            ansible_ssh_private_key_file: ssh_key.pem
             ansible_user: jd
         rocky10:
           hosts: