diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 6047f74ab2..a0a7d5caf7 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -307,15 +307,7 @@ int32_t tAppendDataToInputQueue(SStreamTask* pTask, SStreamQueueItem* pItem) {
       return -1;
     }
 
-    SStreamDataSubmit* pSubmitBlock = streamSubmitBlockClone((SStreamDataSubmit*)pItem);
-    if (pSubmitBlock == NULL) {
-      qDebug("task %d %p submit enqueue failed since out of memory", pTask->id.taskId, pTask);
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      atomic_store_8(&pTask->inputStatus, TASK_INPUT_STATUS__FAILED);
-      return -1;
-    }
-
-    taosWriteQitem(pTask->inputQueue->queue, pSubmitBlock);
+    taosWriteQitem(pTask->inputQueue->queue, pItem);
   } else if (type == STREAM_INPUT__DATA_BLOCK || type == STREAM_INPUT__DATA_RETRIEVE ||
              type == STREAM_INPUT__REF_DATA_BLOCK) {
     int32_t numOfBlocks = taosQueueItemSize(pTask->inputQueue->queue) + 1;
@@ -340,10 +332,6 @@ int32_t tAppendDataToInputQueue(SStreamTask* pTask, SStreamQueueItem* pItem) {
     atomic_val_compare_exchange_8(&pTask->triggerStatus, TASK_TRIGGER_STATUS__INACTIVE, TASK_TRIGGER_STATUS__ACTIVE);
   }
 
-#if 0
-  atomic_store_8(&pTask->inputStatus, TASK_INPUT_STATUS__NORMAL);
-#endif
-
   return 0;
 }