diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index e607e118919b0cd04eb4a63ce938c88f92021359..dcdd838afbf3d7f4f27f151ccf100cc57c626a4a 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -1812,7 +1812,6 @@ int taos_stmt_close(TAOS_STMT* stmt) {
     }
   }
 
-  tscCloseTscObj(pStmt->pSql->pTscObj);
   tscFreeSqlObj(pStmt->pSql);
   tfree(pStmt);
   STMT_RET(TSDB_CODE_SUCCESS);