diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 7458e5d837..c4d134b928 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -21,12 +21,6 @@ extern "C" {
 #endif
 
 #include "tdef.h"
-#include "tcfg.h"
-
-// cluster
-extern int32_t  tsStatusInterval;
-extern int8_t   tsEnableTelemetryReporting;
-extern int32_t  tsNumOfSupportVnodes;
 
 // common
 extern int      tsRpcTimer;
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 9bd9386244..cd31988af4 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -27,11 +27,6 @@
 #include "tutil.h"
 #include "ulog.h"
 
-// cluster
-int32_t  tsStatusInterval = 1;  // second
-int8_t   tsEnableTelemetryReporting = 0;
-char     tsEmail[TSDB_FQDN_LEN] = {0};
-int32_t  tsNumOfSupportVnodes = 128;
 
 // common
 int32_t tsRpcTimer = 300;
@@ -125,12 +120,6 @@ int8_t tsDeadLockKillQuery = 0;
 // For backward compatibility
 bool tsdbForceKeepFile = false;
 
-#ifndef _STORAGE
-SDiskCfg tsDiskCfg[1];
-#else
-SDiskCfg tsDiskCfg[TFS_MAX_DISKS];
-#endif
-
 /*
  * minimum scale for whole system, millisecond by default
  * for TSDB_TIME_PRECISION_MILLI: 86400000L
@@ -247,12 +236,12 @@ int32_t taosCfgDynamicOptions(char *msg) {
   return false;
 }
 
-void taosAddDataDir(int index, char *v1, int level, int primary) {
-  tstrncpy(tsDiskCfg[index].dir, v1, TSDB_FILENAME_LEN);
-  tsDiskCfg[index].level = level;
-  tsDiskCfg[index].primary = primary;
-  uTrace("dataDir:%s, level:%d primary:%d is configured", v1, level, primary);
-}
+// void taosAddDataDir(int index, char *v1, int level, int primary) {
+//   tstrncpy(tsDiskCfg[index].dir, v1, TSDB_FILENAME_LEN);
+//   tsDiskCfg[index].level = level;
+//   tsDiskCfg[index].primary = primary;
+//   uTrace("dataDir:%s, level:%d primary:%d is configured", v1, level, primary);
+// }
 
 #ifndef _STORAGE
 // void taosReadDataDirCfg(char *v1, char *v2, char *v3) {
@@ -302,16 +291,6 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosAddConfigOption(cfg);
 
-  cfg.option = "telemetryReporting";
-  cfg.ptr = &tsEnableTelemetryReporting;
-  cfg.valType = TAOS_CFG_VTYPE_INT8;
-  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
-  cfg.minValue = 0;
-  cfg.maxValue = 1;
-  cfg.ptrLength = 1;
-  cfg.unitType = TAOS_CFG_UTYPE_NONE;
-  taosAddConfigOption(cfg);
-
   // timer
   cfg.option = "maxTmrCtrl";
   cfg.ptr = &tsMaxTmrCtrl;