diff --git a/apps/server/src/entities/class.entity.ts b/apps/server/src/entities/class.entity.ts
index 5bfe35a..17acd07 100644
--- a/apps/server/src/entities/class.entity.ts
+++ b/apps/server/src/entities/class.entity.ts
@@ -36,10 +36,6 @@ export class Class {
   @Column({ name: 'department_id', type: 'integer', nullable: true })
   departmentId: number;
 
-  // Forward reference — Department entity will be added later
-  @ManyToOne('Department', { nullable: true })
-  @JoinColumn({ name: 'department_id' })
-  department: unknown;
 
   @Column({ name: 'class_type', length: 20 })
   classType: string;