diff --git a/include/util/tstep.h b/include/util/tstep.h
deleted file mode 100644
index e4ce7f584b368b87c5e0636abed30d9e201b7f83..0000000000000000000000000000000000000000
--- a/include/util/tstep.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _TD_UTIL_STEP_H_
-#define _TD_UTIL_STEP_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct SSteps SSteps;
-typedef int32_t (*InitFp)();
-typedef void (*CleanupFp)();
-typedef void (*ReportFp)(char *name, char *desc);
-
-SSteps *taosStepInit(int32_t maxsize, ReportFp fp);
-int32_t taosStepExec(SSteps *steps);
-void    taosStepCleanup(SSteps *steps);
-int32_t taosStepAdd(SSteps *steps, char *name, InitFp initFp, CleanupFp cleanupFp);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*_TD_UTIL_STEP_H_*/
diff --git a/source/util/src/tstep.c b/source/util/src/tstep.c
deleted file mode 100644
index 30c8ec2b3aabdfeeb60c8716d63ae71dc0d00fb7..0000000000000000000000000000000000000000
--- a/source/util/src/tstep.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#define _DEFAULT_SOURCE
-#include "tlog.h"
-#include "taoserror.h"
-#include "tstep.h"
-
-typedef struct {
-  char *    name;
-  InitFp    initFp;
-  CleanupFp cleanupFp;
-} SStep;
-
-typedef struct SSteps {
-  int32_t  cursize;
-  int32_t  maxsize;
-  SStep *  steps;
-  ReportFp reportFp;
-} SSteps;
-
-SSteps *taosStepInit(int32_t maxsize, ReportFp fp) {
-  SSteps *steps = calloc(1, sizeof(SSteps));
-  if (steps == NULL) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return NULL;
-  }
-
-  steps->maxsize = maxsize;
-  steps->cursize = 0;
-  steps->steps = calloc(maxsize, sizeof(SStep));
-  steps->reportFp = fp;
-
-  return steps;
-}
-
-int32_t taosStepAdd(struct SSteps *steps, char *name, InitFp initFp, CleanupFp cleanupFp) {
-  if (steps == NULL) {
-    terrno = TSDB_CODE_INVALID_PTR;
-    return -1;
-  }
-
-  if (steps->cursize >= steps->maxsize) {
-    uError("failed to add step since up to the maxsize");
-    terrno = TSDB_CODE_OUT_OF_RANGE;
-    return -1;
-  }
-
-  SStep step = {.name = name, .initFp = initFp, .cleanupFp = cleanupFp};
-  steps->steps[steps->cursize++] = step;
-  return 0;
-}
-
-static void taosStepCleanupImp(SSteps *steps, int32_t pos) {
-  for (int32_t s = pos; s >= 0; s--) {
-    SStep *step = steps->steps + s;
-    uDebug("step:%s will cleanup", step->name);
-    if (step->cleanupFp != NULL) {
-      (*step->cleanupFp)();
-    }
-  }
-}
-
-int32_t taosStepExec(SSteps *steps) {
-  if (steps == NULL) {
-    terrno = TSDB_CODE_INVALID_PTR;
-    return -1;
-  }
-
-  for (int32_t s = 0; s < steps->cursize; s++) {
-    SStep *step = steps->steps + s;
-    if (step->initFp == NULL) continue;
-
-    if (steps->reportFp != NULL) {
-      (*steps->reportFp)(step->name, "start initialize");
-    }
-
-    int32_t code = (*step->initFp)();
-    if (code != 0) {
-      uDebug("step:%s will cleanup", step->name);
-      taosStepCleanupImp(steps, s);
-      return code;
-    }
-
-    uInfo("step:%s is initialized", step->name);
-
-    if (steps->reportFp != NULL) {
-      (*steps->reportFp)(step->name, "initialize completed");
-    }
-  }
-
-  return 0;
-}
-
-void taosStepCleanup(SSteps *steps) {
-  if (steps == NULL) return;
-  taosStepCleanupImp(steps, steps->cursize - 1);
-}
\ No newline at end of file