diff --git a/src/entity/pharmacy/item_master.ts b/src/entity/pharmacy/item_master.ts
index 5bbe252..6f3ff57 100644
--- a/src/entity/pharmacy/item_master.ts
+++ b/src/entity/pharmacy/item_master.ts
@@ -58,13 +58,9 @@ export class ItemMaster {
 	factory!: Factory;
 
 	@ManyToOne(() => Unit, { nullable: false })
-	@JoinColumn({ name: "large_unit_id" })
-	large_unit!: Unit;
-
-	@ManyToOne(() => Unit, { nullable: false })
-	@JoinColumn({ name: "small_unit_id" })
-	small_unit!: Unit;
-
+	@JoinColumn({ name: "unit_id" })
+	unit!: Unit;
+	
 	@Column({
 		type: "int",
 		nullable: true,