diff --git a/src/util/src/tref.c b/src/util/src/tref.c
index 99d566e2ab..b998dfd43c 100644
--- a/src/util/src/tref.c
+++ b/src/util/src/tref.c
@@ -398,9 +398,7 @@ static int taosDecRefCount(int rsetId, int64_t rid, int remove) {
     return -1;
   }
   
-  terrno = 0;
   hash = rid % pSet->max;
-
   taosLockList(pSet->lockedBy+hash);
   
   pNode = pSet->nodeList[hash];