diff --git a/content/ja/docs/concepts/extend-kubernetes/_index.md b/content/ja/docs/concepts/extend-kubernetes/_index.md
index bc8517e51b..381113f360 100644
--- a/content/ja/docs/concepts/extend-kubernetes/_index.md
+++ b/content/ja/docs/concepts/extend-kubernetes/_index.md
@@ -2,11 +2,6 @@
 title: Kubernetesを拡張する
 weight: 110
 description: Kubernetesクラスターの挙動を変えるいろいろな方法
-reviewers:
-- erictune
-- lavalamp
-- cheftako
-- chenopis
 content_type: concept
 no_list: true
 ---