diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index aeff5c578ef71c8d854be516b9532f5434a63953..6e5cf14b965d166e381dd1d535668580e4041d9d 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -1545,18 +1545,6 @@ static int32_t mnodeChangeSuperTableTag(SMnodeMsg *pMsg) {
     return TSDB_CODE_MND_FIELD_NOT_EXIST;
   }
 
-  // check exceed max row bytes
-  int32_t i;
-  uint32_t nLen = 0;
-  for (i = 0; i < pStable->numOfColumns; ++i) {
-    nLen += (pStable->schema[i].colId == col) ? pAlter->schema[0].bytes : pStable->schema[i].bytes;
-  }
-  if (nLen > TSDB_MAX_BYTES_PER_ROW) {
-    mError("msg:%p, app:%p stable:%s, change column, name:%s exceed max row bytes", pMsg, pMsg->rpcMsg.ahandle,
-           pStable->info.tableId, name);
-    return TSDB_CODE_MND_EXCEED_MAX_ROW_BYTES;
-  }
-
   // update
   SSchema *schema = (SSchema *) (pStable->schema + col + pStable->numOfColumns);
   ASSERT(schema->type == TSDB_DATA_TYPE_BINARY || schema->type == TSDB_DATA_TYPE_NCHAR);