diff --git a/src/common/inc/tmount.h b/src/common/inc/tmount.h
deleted file mode 100644
index 79e8e4baec..0000000000
--- a/src/common/inc/tmount.h
+++ /dev/null
@@ -1,39 +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_TDISK_H
-#define TD_TDISK_H
-
-#include "tglobal.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
-  int level;
-  int id;
-} SDiskID;
-
-int  tdInitMount(SDiskCfg *pDiskCfg, int ndisk);
-void tdDestroyMount();
-int  tdUpdateDiskInfos();
-void tdGetPrimaryPath(char *dst);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/src/common/inc/tpath.h b/src/common/inc/tpath.h
deleted file mode 100644
index fe8663a999..0000000000
--- a/src/common/inc/tpath.h
+++ /dev/null
@@ -1,61 +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_TPATH_H_
-#define _TD_TPATH_H_
-
-#include <stdio.h>
-#include "taosdef.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static FORCE_INLINE void tdGetMnodeRootDir(const char *baseDir, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/mnode", baseDir);
-}
-
-static FORCE_INLINE void tdGetDnodeRootDir(const char *baseDir, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/dnode", baseDir);
-}
-
-static FORCE_INLINE void tdGetVnodeRootDir(const char *baseDir, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode", baseDir);
-}
-
-static FORCE_INLINE void tdGetVnodeBackRootDir(const char *baseDir, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode_bak", baseDir);
-}
-
-static FORCE_INLINE void tdGetVnodeDir(const char *baseDir, int vid, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode/vnode%d", baseDir, vid);
-}
-
-static FORCE_INLINE void tdGetVnodeBackDir(const char *baseDir, int vid, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode_bak/vnode%d", baseDir, vid);
-}
-
-static FORCE_INLINE void tdGetTsdbRootDir(const char *baseDir, int vid, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode/vnode%d/tsdb", baseDir, vid);
-}
-
-static FORCE_INLINE void tdGetTsdbDataDir(const char *baseDir, int vid, char *dirName) {
-  snprintf(dirName, TSDB_FILENAME_LEN, "%s/vnode/vnode%d/tsdb/data", baseDir, vid);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // _TD_TPATH_H_
\ No newline at end of file
diff --git a/src/common/src/tmount.c b/src/common/src/tmount.c
index 57a916247d..e403961624 100644
--- a/src/common/src/tmount.c
+++ b/src/common/src/tmount.c
@@ -13,7 +13,6 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 #include "os.h"
-#include "tmount.h"
 #include "hash.h"
 #include "taosdef.h"
 #include "taoserror.h"
diff --git a/src/os/src/detail/osSysinfo.c b/src/os/src/detail/osSysinfo.c
index e54b8763dd..38b548bf79 100644
--- a/src/os/src/detail/osSysinfo.c
+++ b/src/os/src/detail/osSysinfo.c
@@ -16,7 +16,6 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "tconfig.h"
-#include "tmount.h"
 #include "tglobal.h"
 #include "tulog.h"
 
diff --git a/src/plugins/monitor/src/monitorMain.c b/src/plugins/monitor/src/monitorMain.c
index 8cbc7a1ee6..fd21473c4e 100644
--- a/src/plugins/monitor/src/monitorMain.c
+++ b/src/plugins/monitor/src/monitorMain.c
@@ -20,7 +20,6 @@
 #include "tlog.h"
 #include "ttimer.h"
 #include "tutil.h"
-#include "tmount.h"
 #include "tscUtil.h"
 #include "tsclient.h"
 #include "dnode.h"
diff --git a/src/tsdb/src/tsdbFile.c b/src/tsdb/src/tsdbFile.c
index d113d9aa5f..7b8efa9ec1 100644
--- a/src/tsdb/src/tsdbFile.c
+++ b/src/tsdb/src/tsdbFile.c
@@ -21,8 +21,6 @@
 #include "tchecksum.h"
 #include "tsdbMain.h"
 #include "tutil.h"
-#include "tpath.h"
-#include "tmount.h"
 
 const char *       tsdbFileSuffix[] = {".head", ".data", ".last", ".stat", ".h", ".d", ".l", ".s"};
 
diff --git a/src/tsdb/src/tsdbRWHelper.c b/src/tsdb/src/tsdbRWHelper.c
index 3db64703f7..f91f59c81d 100644
--- a/src/tsdb/src/tsdbRWHelper.c
+++ b/src/tsdb/src/tsdbRWHelper.c
@@ -21,7 +21,6 @@
 #include "tcoding.h"
 #include "tscompression.h"
 #include "tsdbMain.h"
-#include "tpath.h"
 
 #define TSDB_GET_COMPCOL_LEN(nCols) (sizeof(SCompData) + sizeof(SCompCol) * (nCols) + sizeof(TSCKSUM))
 #define TSDB_KEY_COL_OFFSET 0
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index 4b3005f196..6ec8ea87f3 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -29,8 +29,6 @@
 #include "dnodeVWrite.h"
 #include "dnodeVRead.h"
 #include "query.h"
-#include "tpath.h"
-#include "tmount.h"
 
 static SHashObj*tsVnodesHash;
 static void     vnodeCleanUp(SVnodeObj *pVnode);