diff --git a/social/email/locales/ja/61-email.json b/social/email/locales/ja/61-email.json
index e0ba7494..0938a236 100644
--- a/social/email/locales/ja/61-email.json
+++ b/social/email/locales/ja/61-email.json
@@ -12,7 +12,6 @@
             "folder": "フォルダ",
             "protocol": "プロトコル",
             "useSSL": "SSLを使用",
-            "autotls": "STARTTLS",
             "disposition": "受信後の処理",
             "none": "なし",
             "read": "既読",