diff --git a/service/history/timerQueueStandbyTaskExecutor.go b/service/history/timerQueueStandbyTaskExecutor.go
index 647db8dbf4e..82a8f949888 100644
--- a/service/history/timerQueueStandbyTaskExecutor.go
+++ b/service/history/timerQueueStandbyTaskExecutor.go
@@ -440,8 +440,8 @@ func (t *timerQueueStandbyTaskExecutor) processTimer(
 		return err
 	}
 	if !nsRecord.IsOnCluster(t.clusterName) {
-		// discard standby tasks
-		return consts.ErrTaskDiscarded
+		// namespace is not replicated to local cluster, ignore corresponding tasks
+		return nil
 	}
 
 	executionContext, release, err := getWorkflowExecutionContextForTask(ctx, t.cache, timerTask)
diff --git a/service/history/transferQueueStandbyTaskExecutor.go b/service/history/transferQueueStandbyTaskExecutor.go
index 94b8ac0896a..77ee9a7176f 100644
--- a/service/history/transferQueueStandbyTaskExecutor.go
+++ b/service/history/transferQueueStandbyTaskExecutor.go
@@ -508,8 +508,8 @@ func (t *transferQueueStandbyTaskExecutor) processTransfer(
 		return err
 	}
 	if !nsRecord.IsOnCluster(t.clusterName) {
-		// discard standby tasks
-		return consts.ErrTaskDiscarded
+		// namespace is not replicated to local cluster, ignore corresponding tasks
+		return nil
 	}
 
 	weContext, release, err := getWorkflowExecutionContextForTask(ctx, t.cache, taskInfo)