diff --git a/i18n/ja/docusaurus-plugin-content-docs/current/topics/api-reference/index.md b/i18n/ja/docusaurus-plugin-content-docs/current/topics/api-reference/index.md
index 82fec1697..37cd6d307 100644
--- a/i18n/ja/docusaurus-plugin-content-docs/current/topics/api-reference/index.md
+++ b/i18n/ja/docusaurus-plugin-content-docs/current/topics/api-reference/index.md
@@ -18,8 +18,6 @@ keywords:
 
 import { SdkExampleTabs } from "@site/src/components/SdkExampleTabs";
 import { SdkExampleTabsImpl } from "@site/src/components/SdkExampleTabsImpl";
-import Tabs from '@theme/Tabs';
-import TabItem from '@theme/TabItem';
 
 # Momento Topics（pub/sub）API を使用する