diff --git a/module/models/Item/Aspect.mjs b/module/models/Item/Aspect.mjs
index bbcf426..eb1ffed 100644
--- a/module/models/Item/Aspect.mjs
+++ b/module/models/Item/Aspect.mjs
@@ -3,10 +3,17 @@ import { DescribedItemData } from "./DescribedItemData.mjs";
 export class AspectItemData extends DescribedItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return {
+		const parentSchema = super.defineSchema();
+
+		// Purge fields that I don't want in this schema
+		delete parentSchema.quantity;
+		delete parentSchema.quantity_affects_used_capacity;
+		delete parentSchema.usage_cost;
+
+		return mergeObject(parentSchema, {
 			used: new fields.BooleanField({ initial: false }),
 			/** The number of seconds that the effect of the aspect stays */
 			deactivateAfter: new fields.NumberField({ nullable: true }),
-		};
+		});
 	};
 };