diff --git a/peribolos/knative-extensions-OWNERS_ALIASES b/peribolos/knative-extensions-OWNERS_ALIASES
index 0cf3c617..9718deaa 100644
--- a/peribolos/knative-extensions-OWNERS_ALIASES
+++ b/peribolos/knative-extensions-OWNERS_ALIASES
@@ -123,14 +123,9 @@ aliases:
   - maximilien
   - rhuss
   - zhanggbj
-  kn-plugin-diag-approvers:
-  - cdlliuy
-  - maximilien
   kn-plugin-event-approvers:
   - cardil
   - rhuss
-  kn-plugin-migration-approvers:
-  - maximilien
   kn-plugin-operator-approvers:
   - dsimansk
   - houshengbo
diff --git a/peribolos/knative-extensions.yaml b/peribolos/knative-extensions.yaml
index b30a89b4..f2d6fcc0 100644
--- a/peribolos/knative-extensions.yaml
+++ b/peribolos/knative-extensions.yaml
@@ -375,6 +375,7 @@ orgs:
         squash_merge_commit_title: PR_TITLE
         squash_merge_commit_message: COMMIT_MESSAGES
       kn-plugin-diag:
+        archived: true
         allow_merge_commit: false
         allow_rebase_merge: false
         description: Kn plugin for exposing detailed information for different layers of knative objects for diagnose.
@@ -389,6 +390,7 @@ orgs:
         has_projects: true
         has_wiki: false
       kn-plugin-migration:
+        archived: true
         allow_merge_commit: false
         allow_rebase_merge: false
         description: Kn plugin for migrating Knative services from one cluster to another.
@@ -575,9 +577,7 @@ orgs:
         repos:
           homebrew-kn-plugins: write
           kn-plugin-admin: write
-          kn-plugin-diag: write
           kn-plugin-event: write
-          kn-plugin-migration: write
           kn-plugin-operator: write
           kn-plugin-quickstart: write
           kn-plugin-sample: write
@@ -1079,15 +1079,6 @@ orgs:
         - rhuss
         - maximilien
 
-      kn-plugin-diag Approvers:
-        description: Approver group for kn-plugin-diag - to be used in CODEOWNERS file
-        privacy: closed
-        repos:
-          kn-plugin-diag: write
-        members:
-        - cdlliuy
-        - maximilien
-
       kn-plugin-event Approvers:
         description: Approver group for kn-plugin-event - to be used in CODEOWNERS file
         privacy: closed
@@ -1097,14 +1088,6 @@ orgs:
         - cardil
         - rhuss
 
-      kn-plugin-migration Approvers:
-        description: Approver group for kn-plugin-migration - to be used in CODEOWNERS file
-        privacy: closed
-        repos:
-          kn-plugin-migration: write
-        members:
-        - maximilien
-
       kn-plugin-operator Approvers:
         description: Approver group for kn-plugin-operator - to be used in CODEOWNERS file
         privacy: closed