diff --git a/backend/packages/Upgrade/src/api/controllers/ExperimentUserController.ts b/backend/packages/Upgrade/src/api/controllers/ExperimentUserController.ts
deleted file mode 100644
index 962cf804c9..0000000000
--- a/backend/packages/Upgrade/src/api/controllers/ExperimentUserController.ts
+++ /dev/null
@@ -1,177 +0,0 @@
-import { JsonController, Req, Get, Post, Put, Body, Authorized, Params } from 'routing-controllers';
-import { ExperimentUserService } from '../services/ExperimentUserService';
-import { ExperimentUser } from '../models/ExperimentUser';
-import { AppRequest } from '../../types';
-import {
-  ExperimentUserArrayValidator,
-  ExperimentUserValidator,
-  IdValidator,
-} from './validators/ExperimentUserValidator';
-import { InsertResult } from 'typeorm';
-import { ExperimentClientController } from './ExperimentClientController.v5';
-
-// TODO delete this from experiment system
-/**
- * @swagger
- * definitions:
- *   ExperimentUser:
- *     required:
- *       - id
- *     properties:
- *       id:
- *         type: string
- *       group:
- *         type: object
- *       workingGroup:
- *         type: object
- */
-
-/**
- * @swagger
- * tags:
- *   - name: Experiment Users
- *     description: CRUD operations related to users
- */
-
-@Authorized()
-@JsonController('/experimentusers')
-export class UserController {
-  constructor(
-    public userService: ExperimentUserService,
-    public experimentClientController: ExperimentClientController
-  ) {}
-
-  /**
-   * @swagger
-   * /experimentusers:
-   *    get:
-   *       description: Get all the users
-   *       tags:
-   *         - Experiment Users
-   *       responses:
-   *          '200':
-   *            description: Successful
-   *          '401':
-   *            description: AuthorizationRequiredError
-   */
-  @Get()
-  public find(@Req() request: AppRequest): Promise<ExperimentUser[]> {
-    return this.userService.find(request.logger);
-  }
-
-  /**
-   * @swagger
-   * /experimentusers/{id}:
-   *    get:
-   *       description: Get user by id
-   *       parameters:
-   *         - in: path
-   *           name: id
-   *           required: true
-   *           schema:
-   *             type: string
-   *           description: user Id
-   *       tags:
-   *         - Experiment Users
-   *       produces:
-   *         - application/json
-   *       responses:
-   *          '200':
-   *            description: Get user By Id
-   *          '400':
-   *            description: BadRequestError - InvalidParameterValue
-   *          '401':
-   *            description: AuthorizationRequiredError
-   *          '404':
-   *            description: Experiment User not defined
-   */
-  @Get('/:id')
-  public async one(
-    @Params({ validate: true }) { id }: IdValidator,
-    @Req() request: AppRequest
-  ): Promise<ExperimentUser> {
-    await this.experimentClientController.checkIfUserExist(id, request.logger);
-    return this.userService.findOne(id, request.logger);
-  }
-
-  /**
-   * @swagger
-   * /experimentusers:
-   *    post:
-   *       description: Create New ExperimentUser
-   *       consumes:
-   *         - application/json
-   *       parameters:
-   *         - in: body
-   *           name: user
-   *           required: true
-   *           schema:
-   *             type: object
-   *             $ref: '#/definitions/ExperimentUser'
-   *           description: ExperimentUser Structure
-   *       tags:
-   *         - Experiment Users
-   *       produces:
-   *         - application/json
-   *       responses:
-   *          '200':
-   *            description: New ExperimentUser is created
-   *          '400':
-   *            description: BadRequestError - InvalidParameterValue
-   *          '401':
-   *            description: AuthorizationRequiredError
-   */
-  @Post()
-  public create(
-    @Body({ validate: true })
-    users: ExperimentUserArrayValidator,
-    @Req() request: AppRequest
-  ): Promise<InsertResult> {
-    return this.userService.create(users.users, request.logger);
-  }
-
-  /**
-   * @swagger
-   * /experimentusers/{id}:
-   *    put:
-   *       description: Update ExperimentUser
-   *       consumes:
-   *         - application/json
-   *       parameters:
-   *         - in: path
-   *           name: id
-   *           required: true
-   *           schema:
-   *             type: string
-   *           description: ExperimentUser ID
-   *         - in: body
-   *           name: user
-   *           required: true
-   *           schema:
-   *             type: object
-   *             $ref: '#/definitions/ExperimentUser'
-   *           description: ExperimentUser Structure
-   *       tags:
-   *         - Experiment Users
-   *       produces:
-   *         - application/json
-   *       responses:
-   *          '200':
-   *            description: ExperimentUser is updated
-   *          '400':
-   *            description: BadRequestError - InvalidParameterValue
-   *          '401':
-   *            description: AuthorizationRequiredError
-   *          '404':
-   *            description: Experiment User not defined
-   */
-  @Put('/:id')
-  public async update(
-    @Params({ validate: true }) { id }: IdValidator,
-    @Body({ validate: true }) user: ExperimentUserValidator,
-    @Req() request: AppRequest
-  ): Promise<ExperimentUser> {
-    await this.experimentClientController.checkIfUserExist(id, request.logger);
-    return this.userService.update(id, user, request.logger);
-  }
-}
diff --git a/backend/packages/Upgrade/src/api/services/ExperimentUserService.ts b/backend/packages/Upgrade/src/api/services/ExperimentUserService.ts
index 43ae8be601..7cf7b00595 100644
--- a/backend/packages/Upgrade/src/api/services/ExperimentUserService.ts
+++ b/backend/packages/Upgrade/src/api/services/ExperimentUserService.ts
@@ -233,12 +233,6 @@ export class ExperimentUserService {
     return this.userRepository.save(newDocument);
   }
 
-  public update(id: string, user: Partial<ExperimentUser>, logger: UpgradeLogger): Promise<ExperimentUser> {
-    logger.info({ message: `Update a user ${user.toString()}` });
-    user.id = id;
-    return this.userRepository.save(user);
-  }
-
   // TODO should we check for workingGroup as a subset over here?
   public async updateGroupMembership(
     userId: string,
diff --git a/backend/packages/Upgrade/test/unit/controllers/ExperimentUserController.test.ts b/backend/packages/Upgrade/test/unit/controllers/ExperimentUserController.test.ts
deleted file mode 100644
index 90b3a61bb8..0000000000
--- a/backend/packages/Upgrade/test/unit/controllers/ExperimentUserController.test.ts
+++ /dev/null
@@ -1,90 +0,0 @@
-import app from '../../utils/expressApp';
-import request from 'supertest';
-import { configureLogger } from '../../utils/logger';
-import { useContainer as routingUseContainer } from 'routing-controllers';
-import { Container } from 'typedi';
-import { ExperimentUserService } from '../../../src/api/services/ExperimentUserService';
-import ExperimentUserServiceMock from './mocks/ExperimentUserServiceMock';
-
-import { useContainer as classValidatorUseContainer } from 'class-validator';
-import { v4 as uuid } from 'uuid';
-import { ExperimentClientController } from '../../../src/api/controllers/ExperimentClientController.v5';
-import ExperimentClientControllerMock from './mocks/ExperimentClientControllerMock';
-
-describe('Experiment User Controller Testing', () => {
-  beforeAll(() => {
-    configureLogger();
-    routingUseContainer(Container);
-    classValidatorUseContainer(Container);
-
-    Container.set(ExperimentUserService, new ExperimentUserServiceMock());
-    Container.set(ExperimentClientController, new ExperimentClientControllerMock());
-
-  });
-
-  afterAll(() => {
-    Container.reset();
-  });
-
-  test('Get request for /api/experimentusers', () => {
-    return request(app)
-      .get('/api/experimentusers')
-      .set('Accept', 'application/json')
-      .expect('Content-Type', /json/)
-      .expect(200);
-  });
-
-  test('Get request for /api/experimentusers/id', () => {
-    return request(app)
-      .get('/api/experimentusers/' + uuid())
-      .set('Accept', 'application/json')
-      .expect('Content-Type', /json/)
-      .expect(200);
-  });
-
-  test('Post request for /api/experimentusers/', () => {
-    return request(app)
-      .post('/api/experimentusers/')
-      .send({
-        users: [
-          {
-            id: 'u21',
-            group: {
-              school: ['testschool'],
-              class: ['testclass'],
-              instructor: ['testteacher'],
-            },
-            workingGroup: {
-              school: 'testschool',
-              class: 'testclass',
-              instructor: 'testteacher',
-            },
-          },
-        ],
-      })
-      .set('Accept', 'application/json')
-      .expect('Content-Type', /json/)
-      .expect(200);
-  });
-
-  test('Put request for /api/experimentusers/id', () => {
-    return request(app)
-      .put('/api/experimentusers/u21')
-      .send({
-        id: 'u21',
-        group: {
-          school: ['testschool'],
-          class: ['testclass'],
-          instructor: ['testteacher'],
-        },
-        workingGroup: {
-          school: 'testschool',
-          class: 'testclass',
-          instructor: 'testteacher',
-        },
-      })
-      .set('Accept', 'application/json')
-      .expect('Content-Type', /json/)
-      .expect(200);
-  });
-});