diff --git a/playbooks/roles/sync-project-config/tasks/main.yaml b/playbooks/roles/sync-project-config/tasks/main.yaml
index 8c54d4989e..6c44dbb241 100644
--- a/playbooks/roles/sync-project-config/tasks/main.yaml
+++ b/playbooks/roles/sync-project-config/tasks/main.yaml
@@ -7,4 +7,5 @@
   synchronize:
     src: '{{ project_config_src }}/{{ project_config_subdir }}'
     dest: '{{ project_config_dest }}'
+    delete: true
   no_log: '{{ silence_synchronize }}'
diff --git a/zuul.d/infra-prod.yaml b/zuul.d/infra-prod.yaml
index aba52954c8..945e4278cf 100644
--- a/zuul.d/infra-prod.yaml
+++ b/zuul.d/infra-prod.yaml
@@ -203,6 +203,7 @@
       - playbooks/roles/install-docker/
       - playbooks/roles/iptables/
       - playbooks/roles/nodepool
+      - playbooks/roles/sync-project-config
       - playbooks/templates/clouds/nodepool_
 
 - job:
@@ -420,6 +421,7 @@
       - playbooks/roles/iptables/
       - playbooks/roles/zookeeper/
       - playbooks/roles/zuul
+      - playbooks/roles/sync-project-config
       - roles/kerberos-client/
       - roles/openafs-client/
 
@@ -468,6 +470,7 @@
       - playbooks/roles/install-docker/
       - playbooks/roles/iptables/
       - playbooks/roles/gerrit/
+      - playbooks/roles/sync-project-config
       - zuul.d/docker-images/gerrit.yaml
 
 - job:
@@ -534,6 +537,7 @@
       - playbooks/roles/logrotate
       - playbooks/roles/matrix-eavesdrop
       - playbooks/roles/matrix-gerritbot
+      - playbooks/roles/sync-project-config
       - playbooks/zuul/templates/group_vars/eavesdrop.yaml.j2
       - docker/accessbot/
       - docker/ircbot
@@ -552,6 +556,7 @@
       - accessbot/channels.yaml
       - playbooks/run-accessbot.yaml
       - playbooks/roles/accessbot
+      - playbooks/roles/sync-project-config
       - docker/accessbot/
 
 - job:
@@ -588,6 +593,7 @@
       - playbooks/roles/grafana
       - playbooks/roles/logrotate
       - playbooks/roles/iptables/
+      - playbooks/roles/sync-project-config
 
 - job:
     name: infra-prod-service-graphite
diff --git a/zuul.d/system-config-run.yaml b/zuul.d/system-config-run.yaml
index f5834fe2aa..9ea06c2057 100644
--- a/zuul.d/system-config-run.yaml
+++ b/zuul.d/system-config-run.yaml
@@ -215,6 +215,7 @@
       - playbooks/roles/matrix-gerritbot
       - playbooks/roles/statusbot
       - playbooks/roles/ptgbot
+      - playbooks/roles/sync-project-config
       - playbooks/zuul/templates/group_vars/eavesdrop.yaml.j2
       - docker/accessbot/
       - docker/ircbot
@@ -367,6 +368,7 @@
       - inventory/service/group_vars/nodepool-launcher.yaml
       - playbooks/roles/configure-openstacksdk/
       - playbooks/roles/nodepool
+      - playbooks/roles/sync-project-config
       - playbooks/templates/clouds/
       - playbooks/nodepool_restart.yaml
       - testinfra/test_nodepool.py
@@ -758,6 +760,7 @@
       - playbooks/roles/install-docker/
       - playbooks/roles/pip3/
       - playbooks/roles/run-selenium/
+      - playbooks/roles/sync-project-config
       - playbooks/zuul/templates/group_vars/grafana
       - tesinfra/util.py
       - testinfra/test_grafana.py
@@ -1047,6 +1050,7 @@
       - playbooks/roles/zookeeper/
       - playbooks/roles/install-apt-repo/
       - playbooks/roles/zuul.*
+      - playbooks/roles/sync-project-config
       - playbooks/zuul/templates/group_vars/zuul.*
       - playbooks/zuul/templates/group_vars/zookeeper.yaml
       - playbooks/zuul/templates/group_vars/zuul-lb.yaml.j2
@@ -1098,6 +1102,7 @@
       - testinfra/util.py
       - playbooks/roles/install-docker/
       - playbooks/roles/gerrit/
+      - playbooks/roles/sync-project-config
       - playbooks/zuul/gerrit/
       - playbooks/zuul/templates/host_vars/review99.opendev.org.yaml.j2
       - roles/bazelisk-build/