diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index 633dda454b..6921235f8b 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -525,7 +525,6 @@ static int32_t mndCreateDb(SMnode *pMnode, SRpcMsg *pReq, SCreateDbReq *pCreate,
 
   dbObj.cfg.numOfRetensions = pCreate->numOfRetensions;
   dbObj.cfg.pRetensions = pCreate->pRetensions;
-  pCreate->pRetensions = NULL;
 
   mndSetDefaultDbCfg(&dbObj.cfg);