diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 603f8368aa..93117c934f 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -1649,7 +1649,6 @@ void tmqMgmtClose(void) {
     tmqMgmt.rsetId = -1;
   }
   (void)taosThreadMutexUnlock(&tmqMgmt.lock);
-  (void)taosThreadMutexDestroy(&tmqMgmt.lock);
 }
 
 tmq_t* tmq_consumer_new(tmq_conf_t* conf, char* errstr, int32_t errstrLen) {