diff --git a/src/app/core/auth/auth.effects.ts b/src/app/core/auth/auth.effects.ts
index b57d67cbd6..37ef3b79bc 100644
--- a/src/app/core/auth/auth.effects.ts
+++ b/src/app/core/auth/auth.effects.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 
 import { combineLatest as observableCombineLatest, Observable, of as observableOf } from 'rxjs';
-import { catchError, debounceTime, filter, map, switchMap, take, tap } from 'rxjs/operators';
+import { catchError, filter, map, switchMap, take, tap } from 'rxjs/operators';
 // import @ngrx
 import { Actions, Effect, ofType } from '@ngrx/effects';
 import { Action, select, Store } from '@ngrx/store';
diff --git a/src/app/core/data/eperson-registration.service.ts b/src/app/core/data/eperson-registration.service.ts
index a1ca1dbef4..bc5df87288 100644
--- a/src/app/core/data/eperson-registration.service.ts
+++ b/src/app/core/data/eperson-registration.service.ts
@@ -86,7 +86,7 @@ export class EpersonRegistrationService {
       find((href: string) => hasValue(href)),
       map((href: string) => {
         const request = new GetRequest(requestId, href);
-        const parser = Object.assign(request, {
+        Object.assign(request, {
           getResponseParser(): GenericConstructor<ResponseParsingService> {
             return RegistrationResponseParsingService;
           }
diff --git a/src/app/register-page/create-profile/create-profile.component.spec.ts b/src/app/register-page/create-profile/create-profile.component.spec.ts
index 5fed324a22..5d509866a9 100644
--- a/src/app/register-page/create-profile/create-profile.component.spec.ts
+++ b/src/app/register-page/create-profile/create-profile.component.spec.ts
@@ -62,17 +62,6 @@ describe('CreateProfileComponent', () => {
   const eperson = Object.assign(new EPerson(), values);
 
   beforeEach(async(() => {
-    const mockConfig = {
-      languages: [{
-        code: 'en',
-        label: 'English',
-        active: true,
-      }, {
-        code: 'de',
-        label: 'Deutsch',
-        active: false
-      }]
-    };
     route = {data: observableOf({registration: registration})};
     router = new RouterStub();
     notificationsService = new NotificationsServiceStub();