diff --git a/manifests/cluster-manager/hub/cluster-manager-registration-webhook-clustersetbinding-validatingconfiguration-v1beta1.yaml b/manifests/cluster-manager/hub/cluster-manager-registration-webhook-clustersetbinding-validatingconfiguration-v1beta1.yaml
deleted file mode 100644
index f6c533d03..000000000
--- a/manifests/cluster-manager/hub/cluster-manager-registration-webhook-clustersetbinding-validatingconfiguration-v1beta1.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-apiVersion: admissionregistration.k8s.io/v1
-kind: ValidatingWebhookConfiguration
-metadata:
-  name: managedclustersetbindingv1beta1validators.admission.cluster.open-cluster-management.io
-webhooks:
-- name: managedclustersetbindingv1beta1validators.admission.cluster.open-cluster-management.io
-  failurePolicy: Fail
-  clientConfig:
-    service:
-      namespace: {{ .ClusterManagerNamespace }}
-      name: cluster-manager-registration-webhook
-      path: /validate-cluster-open-cluster-management-io-v1beta1-managedclustersetbinding
-      port: {{.RegistrationWebhook.Port}}
-    caBundle: {{ .RegistrationAPIServiceCABundle }}
-  rules:
-  - operations:
-    - CREATE
-    - UPDATE
-    apiGroups:
-    - cluster.open-cluster-management.io
-    apiVersions:
-    - v1beta1
-    resources:
-    - managedclustersetbindings
-  admissionReviewVersions: ["v1beta1","v1"]
-  sideEffects: None
-  timeoutSeconds: 10
diff --git a/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_controller_test.go b/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_controller_test.go
index d1c4d928a..b2b56d798 100644
--- a/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_controller_test.go
+++ b/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_controller_test.go
@@ -321,7 +321,7 @@ func TestSyncDeploy(t *testing.T) {
 
 	// Check if resources are created as expected
 	// We expect create the namespace twice respectively in the management cluster and the hub cluster.
-	testingcommon.AssertEqualNumber(t, len(createKubeObjects), 29)
+	testingcommon.AssertEqualNumber(t, len(createKubeObjects), 28)
 	for _, object := range createKubeObjects {
 		ensureObject(t, object, clusterManager)
 	}
@@ -403,7 +403,7 @@ func TestSyncDelete(t *testing.T) {
 			deleteKubeActions = append(deleteKubeActions, deleteKubeAction)
 		}
 	}
-	testingcommon.AssertEqualNumber(t, len(deleteKubeActions), 29) // delete namespace both from the hub cluster and the mangement cluster
+	testingcommon.AssertEqualNumber(t, len(deleteKubeActions), 28) // delete namespace both from the hub cluster and the mangement cluster
 
 	var deleteCRDActions []clienttesting.DeleteActionImpl
 	crdActions := tc.apiExtensionClient.Actions()
diff --git a/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_webhook_reconcile.go b/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_webhook_reconcile.go
index ee3d7b2d6..807243824 100644
--- a/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_webhook_reconcile.go
+++ b/pkg/operator/operators/clustermanager/controllers/clustermanagercontroller/clustermanager_webhook_reconcile.go
@@ -29,7 +29,6 @@ var (
 		"cluster-manager/hub/cluster-manager-registration-webhook-validatingconfiguration.yaml",
 		"cluster-manager/hub/cluster-manager-registration-webhook-mutatingconfiguration.yaml",
 		"cluster-manager/hub/cluster-manager-registration-webhook-clustersetbinding-validatingconfiguration.yaml",
-		"cluster-manager/hub/cluster-manager-registration-webhook-clustersetbinding-validatingconfiguration-v1beta1.yaml",
 	}
 	hubWorkWebhookResourceFiles = []string{
 		"cluster-manager/hub/cluster-manager-work-webhook-validatingconfiguration.yaml",
diff --git a/test/integration/operator/clustermanager_hosted_test.go b/test/integration/operator/clustermanager_hosted_test.go
index 1b0a4e789..7c3238072 100644
--- a/test/integration/operator/clustermanager_hosted_test.go
+++ b/test/integration/operator/clustermanager_hosted_test.go
@@ -400,8 +400,8 @@ var _ = ginkgo.Describe("ClusterManager Hosted Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 42 {
-					return fmt.Errorf("should get 42 relatedResources, actual got %v, %v",
+				if len(actual.Status.RelatedResources) != 41 {
+					return fmt.Errorf("should get 41 relatedResources, actual got %v, %v",
 						len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
@@ -479,8 +479,8 @@ var _ = ginkgo.Describe("ClusterManager Hosted Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v, %v",
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v, %v",
 						len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
@@ -552,8 +552,8 @@ var _ = ginkgo.Describe("ClusterManager Hosted Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 41 {
-					return fmt.Errorf("should get 41 relatedResources, actual got %v, %v",
+				if len(actual.Status.RelatedResources) != 40 {
+					return fmt.Errorf("should get 40 relatedResources, actual got %v, %v",
 						len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
@@ -613,8 +613,8 @@ var _ = ginkgo.Describe("ClusterManager Hosted Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v, %v", len(actual.Status.RelatedResources), actual.Status.RelatedResources)
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v, %v", len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
 			}, eventuallyTimeout, eventuallyInterval).ShouldNot(gomega.HaveOccurred())
@@ -688,8 +688,8 @@ var _ = ginkgo.Describe("ClusterManager Hosted Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v", len(actual.Status.RelatedResources))
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v", len(actual.Status.RelatedResources))
 				}
 				return nil
 			}, eventuallyTimeout, eventuallyInterval).ShouldNot(gomega.HaveOccurred())
diff --git a/test/integration/operator/clustermanager_test.go b/test/integration/operator/clustermanager_test.go
index 42d30b3d5..cf0b4a6d6 100644
--- a/test/integration/operator/clustermanager_test.go
+++ b/test/integration/operator/clustermanager_test.go
@@ -374,8 +374,8 @@ var _ = ginkgo.Describe("ClusterManager Default Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 42 {
-					return fmt.Errorf("should get 42 relatedResources, actual got %v, %v",
+				if len(actual.Status.RelatedResources) != 41 {
+					return fmt.Errorf("should get 41 relatedResources, actual got %v, %v",
 						len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
@@ -453,8 +453,8 @@ var _ = ginkgo.Describe("ClusterManager Default Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v, %v",
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v, %v",
 						len(actual.Status.RelatedResources), actual.Status.RelatedResources)
 				}
 				return nil
@@ -524,8 +524,8 @@ var _ = ginkgo.Describe("ClusterManager Default Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 41 {
-					return fmt.Errorf("should get 41 relatedResources, actual got %v", len(actual.Status.RelatedResources))
+				if len(actual.Status.RelatedResources) != 40 {
+					return fmt.Errorf("should get 40 relatedResources, actual got %v", len(actual.Status.RelatedResources))
 				}
 				return nil
 			}, eventuallyTimeout, eventuallyInterval).ShouldNot(gomega.HaveOccurred())
@@ -580,8 +580,8 @@ var _ = ginkgo.Describe("ClusterManager Default Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v", len(actual.Status.RelatedResources))
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v", len(actual.Status.RelatedResources))
 				}
 				return nil
 			}, eventuallyTimeout, eventuallyInterval).ShouldNot(gomega.HaveOccurred())
@@ -651,8 +651,8 @@ var _ = ginkgo.Describe("ClusterManager Default Mode", func() {
 				if err != nil {
 					return err
 				}
-				if len(actual.Status.RelatedResources) != 46 {
-					return fmt.Errorf("should get 46 relatedResources, actual got %v", len(actual.Status.RelatedResources))
+				if len(actual.Status.RelatedResources) != 45 {
+					return fmt.Errorf("should get 45 relatedResources, actual got %v", len(actual.Status.RelatedResources))
 				}
 				return nil
 			}, eventuallyTimeout, eventuallyInterval).ShouldNot(gomega.HaveOccurred())