diff --git a/gerrit/acls/openstack/karbor.config b/gerrit/acls/openstack/karbor.config
deleted file mode 100644
index 019a924b27..0000000000
--- a/gerrit/acls/openstack/karbor.config
+++ /dev/null
@@ -1,26 +0,0 @@
-[access "refs/heads/*"]
-abandon = group karbor-core
-label-Code-Review = -2..+2 group karbor-core
-label-Workflow = -1..+1 group karbor-core
-
-[access "refs/heads/stable/*"]
-abandon = group Change Owner
-abandon = group Project Bootstrappers
-abandon = group karbor-stable-maint
-abandon = group stable-maint-core
-exclusiveGroupPermissions = abandon label-Code-Review label-Workflow
-label-Code-Review = -2..+2 group Project Bootstrappers
-label-Code-Review = -2..+2 group karbor-stable-maint
-label-Code-Review = -2..+2 group stable-maint-core
-label-Code-Review = -1..+1 group Registered Users
-label-Workflow = -1..+0 group Change Owner
-label-Workflow = -1..+1 group Project Bootstrappers
-label-Workflow = -1..+1 group karbor-stable-maint
-label-Workflow = -1..+1 group stable-maint-core
-
-[receive]
-requireChangeId = true
-requireContributorAgreement = true
-
-[submit]
-mergeContent = true
diff --git a/gerrit/projects.yaml b/gerrit/projects.yaml
index cb3d745c8b..a721cfcc4c 100644
--- a/gerrit/projects.yaml
+++ b/gerrit/projects.yaml
@@ -3327,20 +3327,11 @@
   description: JavaScript API library for OpenStack.
   use-storyboard: true
 - project: openstack/karbor
-  description: Application Data Protection as a Service in OpenStack
-  use-storyboard: true
-  groups:
-    - karbor
-  options:
-    - translate
+  description: RETIRED, Application Data Protection as a Service in OpenStack
+  acl-config: /home/gerrit2/acls/openstack/retired.config
 - project: openstack/karbor-dashboard
-  description: Horizon plugin for karbor
-  use-storyboard: true
-  groups:
-    - karbor
-  options:
-    - translate
-  acl-config: /home/gerrit2/acls/openstack/karbor.config
+  description: RETIRED, Horizon plugin for karbor
+  acl-config: /home/gerrit2/acls/openstack/retired.config
 - project: openstack/karma-subunit-reporter
   description: A karma plugin to report Karma test results as a subunit stream
 - project: openstack/kayobe
@@ -4782,11 +4773,8 @@
     - ironic
   acl-config: /home/gerrit2/acls/openstack/ironic.config
 - project: openstack/python-karborclient
-  description: Python client library for karbor API
-  use-storyboard: true
-  groups:
-    - karbor
-  acl-config: /home/gerrit2/acls/openstack/karbor.config
+  description: RETIRED, Python client library for karbor API
+  acl-config: /home/gerrit2/acls/openstack/retired.config
   options:
     - translate
 - project: openstack/python-keystoneclient