diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 32d2684a0a..e854d479fc 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -4434,144 +4434,9 @@ static int32_t loadDataBlockFromOneTable(SOperatorInfo* pOperator, STableMergeSc
 typedef struct STableMergeScanSortSourceParam {
   SOperatorInfo* pOperator;
   int32_t        readerIdx;
-  int64_t        uid;
   SSDataBlock*   inputBlock;
 } STableMergeScanSortSourceParam;
 
-static SSDataBlock* getTableDataBlockTemp(void* param) {
-  STableMergeScanSortSourceParam* source = param;
-  SOperatorInfo*                  pOperator = source->pOperator;
-  STableMergeScanInfo*            pInfo = pOperator->info;
-  SExecTaskInfo*                  pTaskInfo = pOperator->pTaskInfo;
-  int32_t                         readIdx = source->readerIdx;
-  SSDataBlock*                    pBlock = source->inputBlock;
-  STableMergeScanInfo*            pTableScanInfo = pOperator->info;
-
-  SQueryTableDataCond* pQueryCond = taosArrayGet(pTableScanInfo->queryConds, readIdx);
-
-  blockDataCleanup(pBlock);
-
-  int64_t st = taosGetTimestampUs();
-
-  void* pStart = taosArrayGet(pInfo->tableListInfo->pTableList, readIdx + pInfo->tableStartIndex);
-
-  SReadHandle* pHandle = &pInfo->readHandle;
-  tsdbReaderOpen(pHandle->vnode, pQueryCond, pStart, 1, &pInfo->pReader, GET_TASKID(pTaskInfo));
-
-  STsdbReader* reader = pInfo->pReader;
-  while (tsdbNextDataBlock(reader)) {
-    if (isTaskKilled(pOperator->pTaskInfo)) {
-      T_LONG_JMP(pOperator->pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
-    }
-
-    // process this data block based on the probabilities
-    bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
-    if (!processThisBlock) {
-      continue;
-    }
-
-    blockDataCleanup(pBlock);
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(reader, &binfo);
-
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info.type = binfo.type;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.window = binfo.window;
-    pBlock->info.rows = binfo.rows;
-
-    if (tsdbIsAscendingOrder(pInfo->pReader)) {
-      pQueryCond->twindows.skey = pBlock->info.window.ekey + 1;
-    } else {
-      pQueryCond->twindows.ekey = pBlock->info.window.skey - 1;
-    }
-
-    uint32_t status = 0;
-    int32_t  code = loadDataBlockFromOneTable(pOperator, pTableScanInfo, readIdx, pBlock, &status);
-    if (code != TSDB_CODE_SUCCESS) {
-      T_LONG_JMP(pOperator->pTaskInfo->env, code);
-    }
-
-    // current block is filter out according to filter condition, continue load the next block
-    if (status == FUNC_DATA_REQUIRED_FILTEROUT || pBlock->info.rows == 0) {
-      continue;
-    }
-
-    uint64_t* groupId = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &pBlock->info.uid, sizeof(int64_t));
-    if (groupId) {
-      pBlock->info.groupId = *groupId;
-    }
-
-    pOperator->resultInfo.totalRows += pBlock->info.rows;  // pTableScanInfo->readRecorder.totalRows;
-    pTableScanInfo->readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
-
-    tsdbReaderClose(pInfo->pReader);
-    pInfo->pReader = NULL;
-    return pBlock;
-  }
-  tsdbReaderClose(pInfo->pReader);
-  pInfo->pReader = NULL;
-
-  return NULL;
-}
-
-static SSDataBlock* getTableDataBlock2(void* param) {
-  STableMergeScanSortSourceParam* source = param;
-  SOperatorInfo*                  pOperator = source->pOperator;
-  int64_t                         uid = source->uid;
-  SSDataBlock*                    pBlock = source->inputBlock;
-  STableMergeScanInfo*            pTableScanInfo = pOperator->info;
-
-  int64_t st = taosGetTimestampUs();
-
-  blockDataCleanup(pBlock);
-
-  STsdbReader* reader = pTableScanInfo->pReader;
-  while (tsdbTableNextDataBlock(reader, uid)) {
-    if (isTaskKilled(pOperator->pTaskInfo)) {
-      T_LONG_JMP(pOperator->pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
-    }
-
-    // process this data block based on the probabilities
-    bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
-    if (!processThisBlock) {
-      continue;
-    }
-
-    blockDataCleanup(pBlock);
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(reader, &binfo);
-
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info.type = binfo.type;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.window = binfo.window;
-    pBlock->info.rows = binfo.rows;
-
-    uint32_t status = 0;
-    int32_t  code = loadDataBlockFromOneTable2(pOperator, pTableScanInfo, pBlock, &status);
-    if (code != TSDB_CODE_SUCCESS) {
-      T_LONG_JMP(pOperator->pTaskInfo->env, code);
-    }
-
-    // current block is filter out according to filter condition, continue load the next block
-    if (status == FUNC_DATA_REQUIRED_FILTEROUT || pBlock->info.rows == 0) {
-      continue;
-    }
-
-    uint64_t* groupId = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &pBlock->info.uid, sizeof(int64_t));
-    if (groupId) {
-      pBlock->info.groupId = *groupId;
-    }
-
-    pOperator->resultInfo.totalRows = pTableScanInfo->readRecorder.totalRows;
-    pTableScanInfo->readRecorder.elapsedTime += (taosGetTimestampUs() - st) / 1000.0;
-
-    return pBlock;
-  }
-  return NULL;
-}
-
 static SSDataBlock* getTableDataBlock(void* param) {
   STableMergeScanSortSourceParam* source = param;
   SOperatorInfo*                  pOperator = source->pOperator;