diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index dfe35e50c7..3c74a9fd7b 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -848,7 +848,6 @@ int32_t streamTaskSetDb(SStreamMeta* pMeta, void* pTask, char* key);
 bool    streamTaskIsSinkTask(const SStreamTask* pTask);
 int32_t streamTaskSendCheckpointReq(SStreamTask* pTask);
 
-int32_t streamTaskPrepareMonitorCheckRsp(SStreamTask* pTask);
 int32_t streamTaskStartMonitorCheckRsp(SStreamTask* pTask);
 int32_t streamTaskStopMonitorCheckRsp(STaskCheckInfo* pInfo, const char* id);
 void    streamTaskCleanupCheckInfo(STaskCheckInfo* pInfo);