diff --git a/ansible/roles/horizon/defaults/main.yml b/ansible/roles/horizon/defaults/main.yml
index 19d0cadaa8..645b32ad0a 100644
--- a/ansible/roles/horizon/defaults/main.yml
+++ b/ansible/roles/horizon/defaults/main.yml
@@ -56,8 +56,6 @@ horizon_image_full: "{{ horizon_image }}:{{ horizon_tag }}"
 ####################
 # OpenStack
 ####################
-openstack_horizon_auth: "{'auth_url':'{{ openstack_auth.auth_url }}','username':'{{ openstack_auth.username }}','password':'{{ openstack_auth.password }}','project_name':'{{ openstack_auth.project_name }}'}"
-
 horizon_logging_debug: "{{ openstack_logging_debug }}"