diff --git a/modules/angular2/http.ts b/modules/angular2/http.ts
index e41db22f27..029c7f2155 100644
--- a/modules/angular2/http.ts
+++ b/modules/angular2/http.ts
@@ -13,8 +13,6 @@ import {BrowserJsonp} from './src/http/backends/browser_jsonp';
 import {BaseRequestOptions, RequestOptions} from './src/http/base_request_options';
 import {ConnectionBackend} from './src/http/interfaces';
 import {BaseResponseOptions, ResponseOptions} from './src/http/base_response_options';
-
-export {MockConnection, MockBackend} from './src/http/backends/mock_backend';
 export {Request} from './src/http/static_request';
 export {Response} from './src/http/static_response';
 
diff --git a/modules/angular2/src/http/backends/mock_backend.ts b/modules/angular2/src/http/backends/mock_backend.ts
index 7dc6358ed9..ebe1216568 100644
--- a/modules/angular2/src/http/backends/mock_backend.ts
+++ b/modules/angular2/src/http/backends/mock_backend.ts
@@ -7,6 +7,7 @@ import {isPresent} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {Subject} from 'rxjs/Subject';
 import {ReplaySubject} from 'rxjs/subjects/ReplaySubject';
+import 'rxjs/operators/take';
 
 /**
  *