diff --git a/service/history/task/transfer_active_task_executor.go b/service/history/task/transfer_active_task_executor.go
index ba63c5a6655..b4413fb51e3 100644
--- a/service/history/task/transfer_active_task_executor.go
+++ b/service/history/task/transfer_active_task_executor.go
@@ -1818,7 +1818,10 @@ func (t *transferActiveTaskExecutor) applyParentClosePolicyDomainActiveCheck(
 	sameClusterChildDomainIDs := make(map[int64]string) // child init eventID -> child domainID
 	remoteClusters := make(map[string]map[string]struct{})
 	parentClosePolicyWorkerEnabled := t.shard.GetConfig().EnableParentClosePolicyWorker()
-	if parentClosePolicyWorkerEnabled && len(childInfos) >= t.shard.GetConfig().ParentClosePolicyThreshold(domainName) {
+	if parentClosePolicyWorkerEnabled &&
+		len(childInfos) >= t.shard.GetConfig().ParentClosePolicyThreshold(domainName) {
+		// only signal parent close policy workflow when # of child workflow exceeds threshold
+		// the system workflow can handle the case where child domain is active in a different cluster
 		return nil, nil, true, nil
 	}
 
@@ -1852,19 +1855,14 @@ func (t *transferActiveTaskExecutor) applyParentClosePolicyDomainActiveCheck(
 	}
 
 	generators := []generatorF{}
-	if !parentClosePolicyWorkerEnabled {
-		for remoteCluster, targetDomainIDs := range remoteClusters {
-			generators = append(
-				generators,
-				func(taskGenerator execution.MutableStateTaskGenerator) error {
-					return taskGenerator.GenerateCrossClusterApplyParentClosePolicyTask(task, remoteCluster, targetDomainIDs)
-				})
-		}
-		return generators, sameClusterChildDomainIDs, false, nil
+	for remoteCluster, targetDomainIDs := range remoteClusters {
+		generators = append(
+			generators,
+			func(taskGenerator execution.MutableStateTaskGenerator) error {
+				return taskGenerator.GenerateCrossClusterApplyParentClosePolicyTask(task, remoteCluster, targetDomainIDs)
+			})
 	}
-	// if enabled, those cross cluster children will be handled by system workflow
-
-	return generators, sameClusterChildDomainIDs, len(remoteClusters) != 0, nil
+	return generators, sameClusterChildDomainIDs, false, nil
 }
 
 func (t *transferActiveTaskExecutor) processParentClosePolicy(
diff --git a/service/history/task/transfer_active_task_executor_test.go b/service/history/task/transfer_active_task_executor_test.go
index f24bf5f2a4c..1ab4d85f355 100644
--- a/service/history/task/transfer_active_task_executor_test.go
+++ b/service/history/task/transfer_active_task_executor_test.go
@@ -606,7 +606,7 @@ func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_SameClusterChild
 	)
 }
 
-func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterChild_Abandon() {
+func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterAbandonedChild_Abandon() {
 	s.testProcessCloseExecutionNoParentHasFewChildren(
 		map[string]string{
 			"child_abandon":   s.remoteTargetDomainName,
@@ -614,15 +614,6 @@ func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterChil
 			"child_cancel":    s.domainName,
 		},
 		func() {
-			// s.mockParentClosePolicyClient.On("SendParentClosePolicyRequest", mock.Anything, mock.MatchedBy(
-			// 	func(request parentclosepolicy.Request) bool {
-			// 		fmt.Println(request.Executions)
-			// 		return len(request.Executions) == 3
-			// 	},
-			// )).Return(nil).Times(1)
-			// TODO: uncomment the following and remove ParentClosePolicyClient mock after
-			// cross cluster apply parent close task is fixed
-			// s.expectCrossClusterApplyParentPolicyCalls()
 			s.expectCancelRequest(s.domainName)
 			s.expectTerminateRequest(s.domainName)
 		},
@@ -637,15 +628,8 @@ func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterChil
 			"child_cancel":    s.childDomainName,
 		},
 		func() {
-			s.mockParentClosePolicyClient.On("SendParentClosePolicyRequest", mock.Anything, mock.MatchedBy(
-				func(request parentclosepolicy.Request) bool {
-					return len(request.Executions) == 2
-				},
-			)).Return(nil).Times(1)
-			// TODO: uncomment the following and remove ParentClosePolicyClient mock after
-			// cross cluster apply parent close task is fixed
-			// s.expectCrossClusterApplyParentPolicyCalls()
-			// s.expectCancelRequest(s.childDomainName)
+			s.expectCrossClusterApplyParentPolicyCalls()
+			s.expectCancelRequest(s.childDomainName)
 		},
 	)
 }
@@ -658,15 +642,8 @@ func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterChil
 			"child_cancel":    s.remoteTargetDomainName,
 		},
 		func() {
-			s.mockParentClosePolicyClient.On("SendParentClosePolicyRequest", mock.Anything, mock.MatchedBy(
-				func(request parentclosepolicy.Request) bool {
-					return len(request.Executions) == 2
-				},
-			)).Return(nil).Times(1)
-			// TODO: uncomment the following and remove ParentClosePolicyClient mock after
-			// cross cluster apply parent close task is fixed
-			// s.expectCrossClusterApplyParentPolicyCalls()
-			// s.expectTerminateRequest(s.domainName)
+			s.expectCrossClusterApplyParentPolicyCalls()
+			s.expectTerminateRequest(s.domainName)
 		},
 	)
 }
@@ -679,14 +656,7 @@ func (s *transferActiveTaskExecutorSuite) TestApplyParentPolicy_CrossClusterChil
 			"child_cancel":    s.remoteTargetDomainName,
 		},
 		func() {
-			s.mockParentClosePolicyClient.On("SendParentClosePolicyRequest", mock.Anything, mock.MatchedBy(
-				func(request parentclosepolicy.Request) bool {
-					return len(request.Executions) == 2
-				},
-			)).Return(nil).Times(1)
-			// TODO: uncomment the following and remove ParentClosePolicyClient mock after
-			// cross cluster apply parent close task is fixed
-			// s.expectCrossClusterApplyParentPolicyCalls()
+			s.expectCrossClusterApplyParentPolicyCalls()
 		},
 	)
 }