diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index b60e8dbcfe0d..774031f6f563 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -1927,8 +1927,6 @@ _sfx:
   note: "ノート"
   noteMy: "ノート(自分)"
   notification: "通知"
-  antenna: "アンテナ受信"
-  channel: "チャンネル通知"
   reaction: "ツッコミ選んどるとき"
 _soundSettings:
   driveFile: "ドライブん中の音使う"