diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index e06bced8963260f2f9abd44b5e9021e12c4a7e3d..17cee360f37f2b62917e267b20acb5c0cce0fe7b 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2488,11 +2488,7 @@ void tsdbCleanupQueryHandle(TsdbQueryHandleT queryHandle) {
       STableCheckInfo* pTableCheckInfo = taosArrayGet(pQueryHandle->pTableCheckInfo, i);
       destroyTableMemIterator(pTableCheckInfo);
 
-      if (pTableCheckInfo->pDataCols != NULL) {
-        taosTFree(pTableCheckInfo->pDataCols->buf);
-      }
-
-      taosTFree(pTableCheckInfo->pDataCols);
+      tdFreeDataCols(pTableCheckInfo->pDataCols);
       taosTFree(pTableCheckInfo->pCompInfo);
     }
     taosArrayDestroy(pQueryHandle->pTableCheckInfo);