diff --git a/main/src/main/resources/lang/ja-JP/strings.yml b/main/src/main/resources/lang/ja-JP/strings.yml
index 1741d64a1..c67d298c7 100644
--- a/main/src/main/resources/lang/ja-JP/strings.yml
+++ b/main/src/main/resources/lang/ja-JP/strings.yml
@@ -47,8 +47,6 @@ COMMAND_QUESTADMIN_RESET: "リセット"
 COMMAND_QUESTADMIN_RESET_HELP: "<command> [player] - (Questsの) プレイヤーのすべてのデータをクリアします"
 COMMAND_QUESTADMIN_REMOVE: "削除"
 COMMAND_QUESTADMIN_REMOVE_HELP: "<command> [player] [quest] -プレイヤーから完成したクエストを削除"
-COMMAND_QUESTADMIN_TOGGLEGUI: "スイッチ表示"
-COMMAND_QUESTADMIN_TOGGLEGUI_HELP: "<command> [npc id] - NPCのクエストGUIの切り替え"
 COMMAND_QUESTADMIN_RELOAD: "再読み込み"
 COMMAND_QUESTADMIN_RELOAD_HELP: "<command> - Questsを再読み込み"
 questEditorHeader: "クエストを作成する"
@@ -711,8 +709,6 @@ takeQuestPoints: "Took away <number> Quest Points from <player>."
 questPointsTaken: "<player> took away <number> Quest Points."
 giveQuestPoints: "Gave <number> Quest Points from <player>."
 questPointsGiven: "<player> gave you <number> Quest Points."
-enableNPCGUI: "<npc> will now provide a GUI Quest Display."
-disableNPCGUI: "<npc> will no longer provide a GUI Quest Display."
 invalidMinimum: "Input must be at least <number>!"
 invalidRange: "Input must be between <least> and <greatest>!"
 invalidOption: "無効なオプション"