diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 4bee24ffa4..e352cfb569 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -181,17 +181,18 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_MND_USER_DISABLED             TAOS_DEF_ERROR_CODE(0, 0x0315)
 
 // mnode-sdb
-#define TSDB_CODE_SDB_OBJ_ALREADY_THERE         TAOS_DEF_ERROR_CODE(0, 0x0320)
-// #define TSDB_CODE_APP_ERROR                  TAOS_DEF_ERROR_CODE(0, 0x0321) // 2.x
-#define TSDB_CODE_SDB_INVALID_TABLE_TYPE        TAOS_DEF_ERROR_CODE(0, 0x0322)
+#define TSDB_CODE_SDB_OBJ_ALREADY_THERE         TAOS_DEF_ERROR_CODE(0, 0x0320) // internal
+// #define TSDB_CODE_MND_SDB_ERROR              TAOS_DEF_ERROR_CODE(0, 0x0321) // 2.x
+#define TSDB_CODE_SDB_INVALID_TABLE_TYPE        TAOS_DEF_ERROR_CODE(0, 0x0322) // internal
 #define TSDB_CODE_SDB_OBJ_NOT_THERE             TAOS_DEF_ERROR_CODE(0, 0x0323)
-#define TSDB_CODE_SDB_INVALID_KEY_TYPE          TAOS_DEF_ERROR_CODE(0, 0x0325)
-#define TSDB_CODE_SDB_INVALID_ACTION_TYPE       TAOS_DEF_ERROR_CODE(0, 0x0326)
-#define TSDB_CODE_SDB_INVALID_STATUS_TYPE       TAOS_DEF_ERROR_CODE(0, 0x0327)
-#define TSDB_CODE_SDB_INVALID_DATA_VER          TAOS_DEF_ERROR_CODE(0, 0x0328)
-#define TSDB_CODE_SDB_INVALID_DATA_LEN          TAOS_DEF_ERROR_CODE(0, 0x0329)
+// #define TSDB_CODE_MND_SDB_INVAID_META_ROW    TAOS_DEF_ERROR_CODE(0, 0x0324) // 2.x
+// #define TSDB_CODE_SDB_INVALID_KEY_TYPE       TAOS_DEF_ERROR_CODE(0, 0x0325) // 2.x
+#define TSDB_CODE_SDB_INVALID_ACTION_TYPE       TAOS_DEF_ERROR_CODE(0, 0x0326) // internal
+// #define TSDB_CODE_SDB_INVALID_STATUS_TYPE    TAOS_DEF_ERROR_CODE(0, 0x0327) // unused
+#define TSDB_CODE_SDB_INVALID_DATA_VER          TAOS_DEF_ERROR_CODE(0, 0x0328) // internal
+#define TSDB_CODE_SDB_INVALID_DATA_LEN          TAOS_DEF_ERROR_CODE(0, 0x0329) // internal
 #define TSDB_CODE_SDB_INVALID_DATA_CONTENT      TAOS_DEF_ERROR_CODE(0, 0x032A)
-#define TSDB_CODE_SDB_INVALID_WAl_VER           TAOS_DEF_ERROR_CODE(0, 0x032B)
+// #define TSDB_CODE_SDB_INVALID_WAl_VER        TAOS_DEF_ERROR_CODE(0, 0x032B) // unused
 #define TSDB_CODE_SDB_OBJ_CREATING              TAOS_DEF_ERROR_CODE(0, 0x032C)
 #define TSDB_CODE_SDB_OBJ_DROPPING              TAOS_DEF_ERROR_CODE(0, 0x032D)
 
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index f8355ef54b..656d775ea4 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -148,13 +148,10 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_USER_DISABLED,            "User is disabled")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_OBJ_ALREADY_THERE,        "Object already there")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_TABLE_TYPE,       "Invalid table type")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_OBJ_NOT_THERE,            "Object not there")
-TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_KEY_TYPE,         "Invalid key type")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_ACTION_TYPE,      "Invalid action type")
-TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_STATUS_TYPE,      "Invalid status type")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_DATA_VER,         "Invalid raw data version")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_DATA_LEN,         "Invalid raw data len")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_DATA_CONTENT,     "Invalid raw data content")
-TAOS_DEFINE_ERROR(TSDB_CODE_SDB_INVALID_WAl_VER,          "Invalid wal version")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_OBJ_CREATING,             "Object is creating")
 TAOS_DEFINE_ERROR(TSDB_CODE_SDB_OBJ_DROPPING,             "Object is dropping")