diff --git a/modules/@angular/compiler/src/compile_metadata.ts b/modules/@angular/compiler/src/compile_metadata.ts
index 78fe6cac50..89ec50b248 100644
--- a/modules/@angular/compiler/src/compile_metadata.ts
+++ b/modules/@angular/compiler/src/compile_metadata.ts
@@ -6,18 +6,19 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {ChangeDetectionStrategy, SchemaMetadata, Type, ViewEncapsulation} from '@angular/core';
+import {BaseException, ChangeDetectionStrategy, SchemaMetadata, Type, ViewEncapsulation} from '@angular/core';
 
 import {LifecycleHooks, reflector} from '../core_private';
 
 import {ListWrapper, StringMapWrapper} from './facade/collection';
-import {BaseException, unimplemented} from './facade/exceptions';
 import {isBlank, isPresent, isStringMap, normalizeBlank, normalizeBool} from './facade/lang';
 import {CssSelector} from './selector';
 import {getUrlScheme} from './url_resolver';
 import {sanitizeIdentifier, splitAtColon} from './util';
 
-
+function unimplemented(): any {
+  throw new BaseException('unimplemented');
+}
 
 // group 0: "[prop] or (event) or @trigger"
 // group 1: "prop" from "[prop]"
diff --git a/modules/@angular/compiler/src/output/output_interpreter.ts b/modules/@angular/compiler/src/output/output_interpreter.ts
index 715e78890d..7c602d9a7b 100644
--- a/modules/@angular/compiler/src/output/output_interpreter.ts
+++ b/modules/@angular/compiler/src/output/output_interpreter.ts
@@ -6,8 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {BaseException} from '@angular/core';
+
 import {ListWrapper} from '../facade/collection';
-import {BaseException, unimplemented} from '../facade/exceptions';
 import {isPresent} from '../facade/lang';
 
 import * as o from './output_ast';
diff --git a/modules/@angular/http/src/backends/jsonp_backend.ts b/modules/@angular/http/src/backends/jsonp_backend.ts
index 69fc62d0e5..77cbead811 100644
--- a/modules/@angular/http/src/backends/jsonp_backend.ts
+++ b/modules/@angular/http/src/backends/jsonp_backend.ts
@@ -12,7 +12,6 @@ import {Observer} from 'rxjs/Observer';
 
 import {BaseResponseOptions, ResponseOptions} from '../base_response_options';
 import {ReadyState, RequestMethod, ResponseType} from '../enums';
-import {makeTypeError} from '../facade/exceptions';
 import {StringWrapper, isPresent} from '../facade/lang';
 import {Connection, ConnectionBackend} from '../interfaces';
 import {Request} from '../static_request';
@@ -61,7 +60,7 @@ export class JSONPConnection_ extends JSONPConnection {
       req: Request, private _dom: BrowserJsonp, private baseResponseOptions?: ResponseOptions) {
     super();
     if (req.method !== RequestMethod.Get) {
-      throw makeTypeError(JSONP_ERR_WRONG_METHOD);
+      throw new TypeError(JSONP_ERR_WRONG_METHOD);
     }
     this.request = req;
     this.response = new Observable<Response>((responseObserver: Observer<Response>) => {