diff --git a/src/controllers/UserGroupController.ts b/src/controllers/UserGroupController.ts
index 8a90d94..95c6ca3 100644
--- a/src/controllers/UserGroupController.ts
+++ b/src/controllers/UserGroupController.ts
@@ -1,4 +1,4 @@
-import { Body, Delete, Get, JsonController, OnUndefined, Param, Post, Put } from 'routing-controllers';
+import { Body, Delete, Get, JsonController, OnUndefined, Param, Post, Put, QueryParam } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
 import { EntityFromBody } from 'typeorm-routing-controllers-extensions';
@@ -6,6 +6,8 @@ import { UserGroupIdsNotMatchingError, UserGroupNotFoundError } from '../errors/
 import { CreateUserGroup } from '../models/actions/CreateUserGroup';
 import { UserGroup } from '../models/entities/UserGroup';
 import { ResponseEmpty } from '../models/responses/ResponseEmpty';
+import { ResponseUserGroup } from '../models/responses/ResponseUserGroup';
+import { PermissionController } from './PermissionController';
 
 
 @JsonController('/usergroups')
@@ -71,17 +73,21 @@ export class UserGroupController {
 	}
 
 	@Delete('/:id')
-	@ResponseSchema(UserGroup)
+	@ResponseSchema(ResponseUserGroup)
 	@ResponseSchema(ResponseEmpty, { statusCode: 204 })
 	@OnUndefined(204)
 	@OpenAPI({ description: 'Delete a specified usergroup (if it exists).' })
-	async remove(@Param("id") id: number) {
+	async remove(@Param("id") id: number, @QueryParam("force") force: boolean) {
 		let group = await this.userGroupsRepository.findOne({ id: id });
-		if (!group) {
-			return null;
+		if (!group) { return null; }
+		const responseGroup = await this.userGroupsRepository.findOne({ id: id }, { relations: ['permissions'] });;
+
+		const permissionControler = new PermissionController();
+		for (let permission of responseGroup.permissions) {
+			await permissionControler.remove(permission.id, true);
 		}
 
 		await this.userGroupsRepository.delete(group);
-		return group;
+		return new ResponseUserGroup(responseGroup);
 	}
 }