diff --git a/src/main/resources/lang/en-US/strings.yml b/src/main/resources/lang/en-US/strings.yml
index 279dc646d..1be59f255 100644
--- a/src/main/resources/lang/en-US/strings.yml
+++ b/src/main/resources/lang/en-US/strings.yml
@@ -238,7 +238,6 @@ stageEditorObjectiveOverrideCleared: "Objective display override cleared."
 stageEditorDeliveryAddItem: "Add item"
 stageEditorDeliveryNPCs: "Set NPC IDs"
 stageEditorDeliveryMessages: "Set delivery messages"
-stageEditorContainsDuplicates: "List contains duplicates!"
 stageEditorInvalidBlockName: "is not a valid block name!"
 stageEditorInvalidEnchantment: "is not a valid enchantment name!"
 stageEditorInvalidNPC: "is not a valid NPC ID!"