diff --git a/ansible/inventory/env/group_vars/all.yml b/ansible/inventory/env/group_vars/all.yml
index a4a1a005bde7b0cdcf429a646c1689c2321a2434..a0422f86d29862fa9b68e220607b6d84b29a7256 100644
--- a/ansible/inventory/env/group_vars/all.yml
+++ b/ansible/inventory/env/group_vars/all.yml
@@ -441,7 +441,6 @@ content_service_blacklisted_resourcetype: ''
 content_service_whitelisted_resourcetype: ''
 content_service_whitelisted_mimetype: ''
 content_service_blacklisted_mimetype: ''
-prometheus_storage_retention_time: 30d
 sunbird_cloud_storage_urls: 'https://s3.ap-south-1.amazonaws.com/ekstep-public-{{ekstep_s3_env}}/,https://ekstep-public-{{ekstep_s3_env}}.s3-ap-south-1.amazonaws.com/,https://{{azure_account_name}}.blob.core.windows.net/{{sunbird_content_azure_storage_container}}/'
 sunbird_email_max_recipients_limit: 100
 sunbird_cassandra_consistency_level: one