diff --git a/ansible/roles/horizon/tasks/start.yml b/ansible/roles/horizon/tasks/start.yml
index 84cefb35b2..77be5d0339 100644
--- a/ansible/roles/horizon/tasks/start.yml
+++ b/ansible/roles/horizon/tasks/start.yml
@@ -7,7 +7,6 @@
     name: "horizon"
     environment:
       ENABLE_CLOUDKITTY: "{{ 'yes' if enable_cloudkitty | bool else 'no' }}"
-      ENABLE_DESIGNATE: "{{ 'yes' if enable_designate | bool else 'no' }}"
       ENABLE_IRONIC: "{{ 'yes' if enable_ironic | bool else 'no' }}"
       ENABLE_MANILA: "{{ 'yes' if  enable_manila | bool else 'no' }}"
       ENABLE_MISTRAL: "{{ 'yes' if  enable_mistral | bool else 'no' }}"