diff --git a/backend/src/entities/assignments/group.entity.ts b/backend/src/entities/assignments/group.entity.ts
index 62d5fee9..cf4d172a 100644
--- a/backend/src/entities/assignments/group.entity.ts
+++ b/backend/src/entities/assignments/group.entity.ts
@@ -1,4 +1,4 @@
-import { Collection, Entity, ManyToMany, ManyToOne, PrimaryKey } from '@mikro-orm/core';
+import {Cascade, Collection, Entity, ManyToMany, ManyToOne, PrimaryKey} from '@mikro-orm/core';
 import { Assignment } from './assignment.entity.js';
 import { Student } from '../users/student.entity.js';
 import { GroupRepository } from '../../data/assignments/group-repository.js';
@@ -24,6 +24,7 @@ export class Group {
         entity: () => Student,
         owner: true,
         inversedBy: 'groups',
+        cascade: [Cascade.ALL],
     })
     members: Collection<Student> = new Collection<Student>(this);
 }