diff --git a/source/dnode/vnode/src/inc/metaDB.h b/source/dnode/vnode/src/inc/metaDB.h
deleted file mode 100644
index b4b7e5d19e6df51b993487526b6733990a134b93..0000000000000000000000000000000000000000
--- a/source/dnode/vnode/src/inc/metaDB.h
+++ /dev/null
@@ -1,36 +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_META_DB_H_
-#define _TD_META_DB_H_
-
-#include "meta.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct SMetaDB SMetaDB;
-
-int  metaOpenDB(SMeta *pMeta);
-void metaCloseDB(SMeta *pMeta);
-int  metaSaveTableToDB(SMeta *pMeta, STbCfg *pTbCfg);
-int  metaRemoveTableFromDb(SMeta *pMeta, tb_uid_t uid);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*_TD_META_DB_H_*/
\ No newline at end of file
diff --git a/source/dnode/vnode/src/inc/metaDef.h b/source/dnode/vnode/src/inc/metaDef.h
index 82c74f47d28924486a2d58e3334ab488a591aa1e..b76c08b7b4a9a59081e3de6eac70b8e1aedafe15 100644
--- a/source/dnode/vnode/src/inc/metaDef.h
+++ b/source/dnode/vnode/src/inc/metaDef.h
@@ -19,7 +19,6 @@
 #include "mallocator.h"
 
 #include "meta.h"
-#include "metaDB.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -27,6 +26,13 @@ extern "C" {
 
 typedef struct SMetaCache SMetaCache;
 typedef struct SMetaIdx   SMetaIdx;
+typedef struct SMetaDB    SMetaDB;
+
+// SMetaDB
+int  metaOpenDB(SMeta* pMeta);
+void metaCloseDB(SMeta* pMeta);
+int  metaSaveTableToDB(SMeta* pMeta, STbCfg* pTbCfg);
+int  metaRemoveTableFromDb(SMeta* pMeta, tb_uid_t uid);
 
 // SMetaCache
 int  metaOpenCache(SMeta* pMeta);
@@ -35,7 +41,7 @@ void metaCloseCache(SMeta* pMeta);
 // SMetaCfg
 extern const SMetaCfg defaultMetaOptions;
 // int                   metaValidateOptions(const SMetaCfg*);
-void                  metaOptionsCopy(SMetaCfg* pDest, const SMetaCfg* pSrc);
+void metaOptionsCopy(SMetaCfg* pDest, const SMetaCfg* pSrc);
 
 // SMetaIdx
 int  metaOpenIdx(SMeta* pMeta);
@@ -49,12 +55,12 @@ typedef struct STbUidGenerator {
 } STbUidGenerator;
 
 // STableUidGenerator
-int  metaOpenUidGnrt(SMeta *pMeta);
-void metaCloseUidGnrt(SMeta *pMeta);
+int  metaOpenUidGnrt(SMeta* pMeta);
+void metaCloseUidGnrt(SMeta* pMeta);
 
 // tb_uid_t
 #define IVLD_TB_UID 0
-tb_uid_t metaGenerateUid(SMeta *pMeta);
+tb_uid_t metaGenerateUid(SMeta* pMeta);
 
 struct SMeta {
   char*                 path;
diff --git a/source/dnode/vnode/src/inc/vnd.h b/source/dnode/vnode/src/inc/vnd.h
index f74497d309cb0d4afc1e6bce8eed867ab79c28a5..7f43a93ab715e3303b4647d87886ad1ab0e23b38 100644
--- a/source/dnode/vnode/src/inc/vnd.h
+++ b/source/dnode/vnode/src/inc/vnd.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_VND_H_
-#define _TD_VND_H_
+#ifndef _TD_VNODE_DEF_H_
+#define _TD_VNODE_DEF_H_
 
 #include "mallocator.h"
 // #include "sync.h"
@@ -176,4 +176,4 @@ bool            vmaIsFull(SVMemAllocator* pVMA);
 }
 #endif
 
-#endif /*_TD_VND_H_*/
\ No newline at end of file
+#endif /*_TD_VNODE_DEF_H_*/
\ No newline at end of file
diff --git a/source/dnode/vnode/src/meta/metaMain.c b/source/dnode/vnode/src/meta/metaMain.c
index b6aa029b1919a6c5635b678657042d009e31472e..ad87b2de9ec0861293290a410b004395a882a6e3 100644
--- a/source/dnode/vnode/src/meta/metaMain.c
+++ b/source/dnode/vnode/src/meta/metaMain.c
@@ -30,11 +30,11 @@ SMeta *metaOpen(const char *path, const SMetaCfg *pMetaCfg, SMemAllocatorFactory
     pMetaCfg = &defaultMetaOptions;
   }
 
-  // Validate the options
-  if (metaValidateOptions(pMetaCfg) < 0) {
-    // TODO: deal with error
-    return NULL;
-  }
+  // // Validate the options
+  // if (metaValidateOptions(pMetaCfg) < 0) {
+  //   // TODO: deal with error
+  //   return NULL;
+  // }
 
   // Allocate handle
   pMeta = metaNew(path, pMetaCfg, pMAF);