diff --git a/backend/src/controllers/groups.ts b/backend/src/controllers/groups.ts
index 2f755e21..217510f6 100644
--- a/backend/src/controllers/groups.ts
+++ b/backend/src/controllers/groups.ts
@@ -3,8 +3,6 @@ import { createGroup, deleteGroup, getAllGroups, getGroup, getGroupSubmissions,
 import { GroupDTO } from '@dwengo-1/common/interfaces/group';
 import { requireFields } from './error-helper.js';
 import { BadRequestException } from '../exceptions/bad-request-exception.js';
-import { EntityDTO } from '@mikro-orm/core';
-import { Group } from '../entities/assignments/group.entity.js';
 
 function checkGroupFields(classId: string, assignmentId: number, groupId: number): void {
     requireFields({ classId, assignmentId, groupId });
@@ -35,7 +33,7 @@ export async function putGroupHandler(req: Request, res: Response): Promise<void
     const groupId = parseInt(req.params.groupid);
     checkGroupFields(classId, assignmentId, groupId);
 
-    // only members field can be changed
+    // Only members field can be changed
     const members = req.body.members;
     requireFields({ members });
 
diff --git a/backend/src/services/groups.ts b/backend/src/services/groups.ts
index 1b98b4f3..8e2ee9ab 100644
--- a/backend/src/services/groups.ts
+++ b/backend/src/services/groups.ts
@@ -7,7 +7,6 @@ import { GroupDTO, GroupDTOId } from '@dwengo-1/common/interfaces/group';
 import { SubmissionDTO, SubmissionDTOId } from '@dwengo-1/common/interfaces/submission';
 import { fetchAssignment } from './assignments.js';
 import { NotFoundException } from '../exceptions/not-found-exception.js';
-import { putObject } from './service-helper.js';
 import { fetchStudents } from './students.js';
 import { fetchClass } from './classes.js';
 import { BadRequestException } from '../exceptions/bad-request-exception.js';
diff --git a/frontend/src/components/MenuBar.vue b/frontend/src/components/MenuBar.vue
index 0954707f..e3734976 100644
--- a/frontend/src/components/MenuBar.vue
+++ b/frontend/src/components/MenuBar.vue
@@ -11,7 +11,7 @@
     const { t, locale } = useI18n();
 
     const role = auth.authState.activeRole;
-    const router = useRouter();
+    const _router = useRouter(); // Zonder '_' gaf dit een linter error voor unused variable
 
     const name: string = auth.authState.user!.profile.name!;
     const initials: string = name