diff --git a/ansible/roles/prometheus-fed/defaults/main.yml b/ansible/roles/prometheus-fed/defaults/main.yml
index cccafed512e43086747471f5010338168e989f10..870313d517c4d022fba820671a8931c4582dd99b 100644
--- a/ansible/roles/prometheus-fed/defaults/main.yml
+++ b/ansible/roles/prometheus-fed/defaults/main.yml
@@ -2,9 +2,6 @@ prometheus_reservation_memory: 1G
 prometheus_limit_memory: 1G
 prometheus_storage_retention_time: 90d
 
-# Defaults to 1KB. Good enough to catch errors mentioned in https://about.gitlab.com/2017/02/01/gitlab-dot-com-database-incident/
-expected_data_backup_size_in_bytes: 1024
-
 enable_scraping_docker_metrics: false
 docker_metrics_port: "2377"
 monitor_stack_files_dest_dir: /opt/docker/stacks/prom_fed/stacks
@@ -14,7 +11,7 @@ monitor_config_templates:
   - prometheus.yml
 
 prometheus_route_prefix: prometheus
-prometheus_web_external_url: "{{proto}}://{{api__host}}:9090/{{ prometheus_route_prefix }}"
+prometheus_web_external_url: "{{proto}}://{{api__host}}:29090/{{ prometheus_route_prefix }}"
 
 root_group: root
 root_owner: root