diff --git a/src/main/resources/lang/ja-JP/strings.yml b/src/main/resources/lang/ja-JP/strings.yml
index dda63e61c..2f3df0b6b 100644
--- a/src/main/resources/lang/ja-JP/strings.yml
+++ b/src/main/resources/lang/ja-JP/strings.yml
@@ -389,10 +389,8 @@ eventEditorEffectsCleared: "Event effects cleared."
 eventEditorEffectLocationPrompt: "Right-click on a block to play an effect at, <add>, <cancel>"
 eventEditorMobSpawns: "Event Mob Spawns"
 eventEditorAddMobTypes: "Add mob"
-eventEditorNoTypesSet: "(No type set)"
 eventEditorMustSetMobTypesFirst: "You must set the mob type first!"
 eventEditorSetMobAmounts: "Set mob amount"
-eventEditorNoAmountsSet: "(No amounts set)"
 eventEditorMustSetMobAmountsFirst: "You must set mob amount first!"
 eventEditorAddSpawnLocation: "Set spawn location"
 eventEditorMobSpawnsCleared: "Mob spawns cleared."
@@ -418,7 +416,6 @@ eventEditorMustSetPotionTypesFirst: "You must set potion effect types first!"
 eventEditorSetPotionDurations: "Set potion effect durations"
 eventEditorMustSetPotionDurationsFirst: "You must set potion effect durations first!"
 eventEditorMustSetPotionTypesAndDurationsFirst: "You must set potion effect types and durations first!"
-eventEditorNoDurationsSet: "(No durations set)"
 eventEditorSetPotionMagnitudes: "Set potion effect magnitudes"
 eventEditorPotionsCleared: "Potion effects cleared."
 eventEditorInvalidPotionType: "is not a valid potion effect type!"