diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/search-result.model.ts b/chapter 5 - http/simple-http/src/app/you-tube-search/search-result.model.ts
deleted file mode 100644
index 6998feb..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/search-result.model.ts	
+++ /dev/null
@@ -1,15 +0,0 @@
-export class SearchResult {
-  id: string;
-  title: string;
-  description: string;
-  thumbnailUrl: string;
-  videoUrl: string
-
-  constructor(obj?: any) {
-    this.id           = obj && obj.id           || null;
-    this.title        = obj && obj.title        || null;
-    this.description  = obj && obj.description  || null;
-    this.thumbnailUrl = obj && obj.thumbnailUrl || null;
-    this.videoUrl     = obj && obj.videoUrl     || '`https://www.youtube.com/watch?v=${this.id}`';
-  }
-}
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.css b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.css
deleted file mode 100644
index e69de29..0000000
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.html b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.html
deleted file mode 100644
index f28095d..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.html	
+++ /dev/null
@@ -1,3 +0,0 @@
-<p>
-  you-tube-search works!
-</p>
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.spec.ts b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.spec.ts
deleted file mode 100644
index 62659b6..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.spec.ts	
+++ /dev/null
@@ -1,25 +0,0 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { YouTubeSearchComponent } from './you-tube-search.component';
-
-describe('YouTubeSearchComponent', () => {
-  let component: YouTubeSearchComponent;
-  let fixture: ComponentFixture<YouTubeSearchComponent>;
-
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ YouTubeSearchComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(YouTubeSearchComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.ts b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.ts
deleted file mode 100644
index c3c4e96..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.component.ts	
+++ /dev/null
@@ -1,22 +0,0 @@
-import { Component, OnInit } from '@angular/core';
-import {SearchResult} from "./search-result.model";
-import {YouTubeSearchService} from "./you-tube-search.service";
-
-@Component({
-  selector: 'app-you-tube-search',
-  template: `
-  <input type="text" c;ass="form-control" placeholder="Search" autofocus>
-  `
-})
-export class YouTubeSearchComponent implements OnInit {
-  @Output() loading: EventEmitter<boolean> = new EventEmitter<boolean>();
-  @Output() results: EventEmitter<SearchResult[]> = new EventEmitter<SearchResult[]>();
-
-  constructor(private youtube: YouTubeSearchService,
-              private el: ElementRef) { }
-
-  ngOnInit() {
-    // convert the `keyup` event into an observable stream
-    Observable.fromEvent(this.el.nativeElement, 'keyup');
-  }
-}
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.injectables.ts b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.injectables.ts
deleted file mode 100644
index e971030..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.injectables.ts	
+++ /dev/null
@@ -1,11 +0,0 @@
-import {
-  YouTubeSearchService,
-  YOUTUBE_API_KEY,
-  YOUTUBE_API_URL
-} from "./you-tube-search.service";
-
-export const youtTubeSearchInjectables: Array<any> = [
-  {provide: YouTubeSearchService, useClass: YouTubeSearchService},
-  {provide: YOUTUBE_API_KEY, useValue: YOUTUBE_API_KEY},
-  {provide: YOUTUBE_API_URL, useValue: YOUTUBE_API_URL}
-];
diff --git a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.service.ts b/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.service.ts
deleted file mode 100644
index 61b1288..0000000
--- a/chapter 5 - http/simple-http/src/app/you-tube-search/you-tube-search.service.ts	
+++ /dev/null
@@ -1,53 +0,0 @@
-import { Injectable, Inject } from '@angular/core';
-import {
-  HttpClient,
-  HttpRequest,
-  HttpHeaders
-} from '@angular/common/http';
-
-import { Observable } from 'rxjs/Rx';
-import { SearchResult } from "./search-result.model";
-
-/*
-  This API key may or may not work for you. Your best bet is to issue your own
-  API key by following these instructions:
-  https://developers.google.com/youtube/registering_an_application#Create_API_Keys
-  Here I've used a **server key** and make sure you enable YouTube.
-  Note that if you do use this API key, it will only work if the URL in
-  your browser is "localhost"
-*/
-// TODO
-export const YOUTUBE_API_KEY =
-  '';
-export const YOUTUBE_API_URL =
-  'https://www.googleapis.com/youtube/v3/search';
-
-@Injectable()
-export class YouTubeSearchService {
-  constructor(
-    private http: HttpClient,
-    @Inject(YOUTUBE_API_KEY) private apiKey: string,
-    @Inject(YOUTUBE_API_URL) private apiUrl: string) {}
-
-    search(query: string): Observable<SearchResult[]> {
-      const params: string = [
-        `q=${query}`,
-        `key=${this.apiKey}`,
-        `part=snippet`,
-        `type=video`,
-        `maxResults=10`,
-      ].join('&');
-
-      const queryUrl = `${this.apiUrl}?${params}`;
-      return this.http.get(queryUrl).map(response => {
-        return <any>response['items'].map(item => {
-          return new SearchResult({
-            id: item.id.videoId,
-            title: item.snippet.title,
-            description: item.snippet.description,
-            thumbnailUrl: item.snippet.thumbnails.high.url
-          });
-        });
-      });
-    }
-}