diff --git a/ansible/roles/monasca/templates/monasca-api/api.conf.j2 b/ansible/roles/monasca/templates/monasca-api/api.conf.j2
index a0ddb4ceef..581cbf7d8e 100644
--- a/ansible/roles/monasca/templates/monasca-api/api.conf.j2
+++ b/ansible/roles/monasca/templates/monasca-api/api.conf.j2
@@ -15,6 +15,8 @@ ip_address = {{ monasca_influxdb_address }}
 port = {{ monasca_influxdb_http_port }}
 
 [kafka]
+# NOTE(dszumski): This will become the default in Victoria and can then
+# be removed: https://review.opendev.org/#/c/740954
 legacy_kafka_client_enabled = False
 metrics_topic = {{ monasca_metrics_topic }}
 logs_topics = {{ monasca_raw_logs_topic }}
diff --git a/ansible/roles/monasca/templates/monasca-notification/notification.conf.j2 b/ansible/roles/monasca/templates/monasca-notification/notification.conf.j2
index ce934eea12..97d8931def 100644
--- a/ansible/roles/monasca/templates/monasca-notification/notification.conf.j2
+++ b/ansible/roles/monasca/templates/monasca-notification/notification.conf.j2
@@ -9,6 +9,9 @@ alarm_topic = {{ monasca_alarm_state_transitions_topic }}
 notification_topic = {{ monasca_alarm_notifications_topic }}
 notification_retry_topic = {{ monasca_alarm_notifications_retry_topic }}
 periodic = {{ monasca_periodic_notifications_period }}:{{ monasca_periodic_notifications_topic }}
+# NOTE(dszumski): This will become the default in Victoria and can then
+# be removed: https://review.opendev.org/#/c/740959
+legacy_kafka_client_enabled = False
 
 [mysql]
 host = {{ monasca_database_address }}
diff --git a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2 b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
index ac0681a4dd..fb7cbc9dd2 100644
--- a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
+++ b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
@@ -9,6 +9,11 @@ database_name = {{ monasca_influxdb_name }}
 ip_address = {{ kolla_internal_vip_address }}
 port = {{ monasca_influxdb_http_port }}
 
+[kafka]
+# NOTE(dszumski): This will become the default in Victoria and can then
+# be removed: https://review.opendev.org/#/c/740966
+legacy_kafka_client_enabled = False
+
 [kafka_alarm_history]
 uri = {{ monasca_kafka_servers }}
 topic = {{ monasca_alarm_state_transitions_topic }}