diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index 672d87e0c8d578cad7b89888382a7b11be6f02e3..91eabda78b8082355e9b48b0cf52c5495304710b 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -144,11 +144,7 @@ void taos_init_imp(void) {
   int64_t refreshTime = 10; // 10 seconds by default
   if (tscMetaCache == NULL) {
     tscMetaCache = taosCacheInit(TSDB_DATA_TYPE_BINARY, refreshTime, false, tscFreeTableMetaHelper, "tableMeta");
-#ifndef SQLOBJ_USE_CACHE
     tscObjRef = taosOpenRef(4096, tscFreeRegisteredSqlObj);
-#else
-    tscObjCache = taosCacheInit(TSDB_CACHE_PTR_KEY, refreshTime / 2, false, tscFreeRegisteredSqlObj, "sqlObj");
-#endif
   }
 
   tscRefId = taosOpenRef(200, tscCloseTscObj);
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 703e266eb82c49ff46a154f80a87f8709e89a113..950e904c4fdbad53845f23e5d3c0e673843bf0b6 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -1565,22 +1565,6 @@ void tscGetSrcColumnInfo(SSrcColumnInfo* pColInfo, SQueryInfo* pQueryInfo) {
   }
 }
 
-#ifndef SQLOBJ_USE_CACHE
-#else
-void tscSetFreeHeatBeat(STscObj* pObj) {
-  if (pObj == NULL || pObj->signature != pObj || pObj->pHb == NULL) {
-    return;
-  }
-
-  SSqlObj* pHeatBeat = pObj->pHb;
-  assert(pHeatBeat == pHeatBeat->signature);
-
-  // to denote the heart-beat timer close connection and free all allocated resources
-  SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(&pHeatBeat->cmd, 0);
-  pQueryInfo->type = TSDB_QUERY_TYPE_FREE_RESOURCE;
-}
-#endif
-
 /*
  * the following four kinds of SqlObj should not be freed
  * 1. SqlObj for stream computing