diff --git a/credits.md b/credits.md
index 5ed927e57e040..55cdcf23b9e48 100644
--- a/credits.md
+++ b/credits.md
@@ -13,26 +13,19 @@ TiDB developers contribute to new feature development, performance improvement,
 
 - [pingcap/tidb](https://github.com/pingcap/tidb/graphs/contributors)
 - [tikv/tikv](https://github.com/tikv/tikv/graphs/contributors)
-- [pingcap/parser](https://github.com/pingcap/parser/graphs/contributors)
 - [tikv/pd](https://github.com/tikv/pd/graphs/contributors)
 - [pingcap/tiflash](https://github.com/pingcap/tiflash/graphs/contributors)
 - [pingcap/tidb-operator](https://github.com/pingcap/tidb-operator/graphs/contributors)
 - [pingcap/tiup](https://github.com/pingcap/tiup/graphs/contributors)
-- [pingcap/br](https://github.com/pingcap/br/graphs/contributors)
-- [pingcap/dm](https://github.com/pingcap/dm/graphs/contributors)
 - [pingcap/tidb-binlog](https://github.com/pingcap/tidb-binlog/graphs/contributors)
 - [pingcap/tidb-dashboard](https://github.com/pingcap/tidb-dashboard/graphs/contributors)
 - [pingcap/tiflow](https://github.com/pingcap/tiflow/graphs/contributors)
 - [pingcap/tidb-tools](https://github.com/pingcap/tidb-tools/graphs/contributors)
-- [pingcap/tidb-lightning](https://github.com/pingcap/tidb-lightning/graphs/contributors)
 - [pingcap/tispark](https://github.com/pingcap/tispark/graphs/contributors)
-- [pingcap/dumpling](https://github.com/pingcap/dumpling/graphs/contributors)
 - [tikv/client-java](https://github.com/tikv/client-java/graphs/contributors)
 - [tidb-incubator/TiBigData](https://github.com/tidb-incubator/TiBigData/graphs/contributors)
 - [ti-community-infra](https://github.com/orgs/ti-community-infra/people)
 
-For the full list of contributors, see [SIG | TiDB DevGroup](https://contributor.tidb.io/sig).
-
 ## Writers and translators for TiDB documentation
 
 Writers and translators write and translate documents for TiDB and the related projects. The following is the list of contributors in TiDB documentation related repos:
@@ -40,5 +33,4 @@ Writers and translators write and translate documents for TiDB and the related p
 - [pingcap/docs-cn](https://github.com/pingcap/docs-cn/graphs/contributors)
 - [pingcap/docs](https://github.com/pingcap/docs/graphs/contributors)
 - [pingcap/docs-tidb-operator](https://github.com/pingcap/docs-tidb-operator/graphs/contributors)
-- [pingcap/docs-dm](https://github.com/pingcap/docs-dm/graphs/contributors)
 - [tikv/website](https://github.com/tikv/website/graphs/contributors)
\ No newline at end of file