diff --git a/src/entity/pharmacy/item_class_detail.ts b/src/entity/pharmacy/item_class_detail.ts
index cca647b..57f7edb 100644
--- a/src/entity/pharmacy/item_class_detail.ts
+++ b/src/entity/pharmacy/item_class_detail.ts
@@ -9,8 +9,6 @@ import {
 	JoinColumn,
 } from "typeorm";
 
-import { ItemClass } from "./item_class";
-
 @Entity("pharmacy_item_class_detail", { schema: "pharmacy" })
 export class ItemClassDetail {
 	@PrimaryGeneratedColumn("uuid")
@@ -22,10 +20,6 @@ export class ItemClassDetail {
 	})
 	class_detail_name!: string;
 
-	@ManyToOne(() => ItemClass, { nullable: false })
-	@JoinColumn({ name: "item_class_id" })
-	item_class!: ItemClass;
-
 	@CreateDateColumn()
 	created_at!: Date;
 
diff --git a/src/entity/pharmacy/usage_instructions.ts b/src/entity/pharmacy/usage_instructions.ts
index 689f9b0..779dead 100644
--- a/src/entity/pharmacy/usage_instructions.ts
+++ b/src/entity/pharmacy/usage_instructions.ts
@@ -22,7 +22,7 @@ export class UsageInstructions {
 		type: "text",
 		nullable: true,
 	})
-	usage_abbreviation?: string;
+	usage_instructions_abbreviation?: string;
 
 	@CreateDateColumn()
 	created_at!: Date;