diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index fb893c845e..e11e6eb1c4 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -1912,7 +1912,6 @@ static int32_t doMergeMultiLevelRows(STsdbReader* pReader, STableBlockScanInfo*
   tRowKeyAssign(&pBlockScanInfo->lastProcKey, &minKey);
 
   // file block -----> stt block -----> imem -----> mem
-  //  if (ASCENDING_TRAVERSE(pReader->info.order)) {
   if (pkCompEx(compFn, &minKey, pfKey) == 0) {
     TSDBROW fRow = tsdbRowFromBlockData(pBlockData, pDumpInfo->rowIndex);
     code = tsdbRowMergerAdd(pMerger, &fRow, NULL);