diff --git a/modules/angular2/src/core/change_detection.ts b/modules/angular2/src/core/change_detection.ts
index b131dcfb66..3d41713cd7 100644
--- a/modules/angular2/src/core/change_detection.ts
+++ b/modules/angular2/src/core/change_detection.ts
@@ -10,8 +10,6 @@ export {
   ExpressionChangedAfterItHasBeenCheckedException,
   ChangeDetectionError,
 
-  ChangeDetector,
-  Locals,
   ChangeDetectorRef,
 
   WrappedValue,
diff --git a/modules/angular2/src/core/change_detection/parser/locals.ts b/modules/angular2/src/core/change_detection/parser/locals.ts
index b6212c6182..4c15a043e9 100644
--- a/modules/angular2/src/core/change_detection/parser/locals.ts
+++ b/modules/angular2/src/core/change_detection/parser/locals.ts
@@ -2,6 +2,9 @@ import {isPresent} from 'angular2/src/core/facade/lang';
 import {BaseException} from 'angular2/src/core/facade/exceptions';
 import {ListWrapper, MapWrapper} from 'angular2/src/core/facade/collection';
 
+/**
+ * @private
+ */
 export class Locals {
   constructor(public parent: Locals, public current: Map<any, any>) {}
 
diff --git a/modules/angular2/src/core/life_cycle/life_cycle.ts b/modules/angular2/src/core/life_cycle/life_cycle.ts
index 9c3d4bf291..7b62ceeeb7 100644
--- a/modules/angular2/src/core/life_cycle/life_cycle.ts
+++ b/modules/angular2/src/core/life_cycle/life_cycle.ts
@@ -39,6 +39,9 @@ export class LifeCycle {
   _enforceNoNewChanges: boolean;
   _runningTick: boolean = false;
 
+  /**
+   * @private
+   */
   constructor(changeDetector: ChangeDetector = null, enforceNoNewChanges: boolean = false) {
     this._changeDetectors = [];
     if (isPresent(changeDetector)) {
diff --git a/modules/angular2/test/public_api_spec.ts b/modules/angular2/test/public_api_spec.ts
index e057c567e6..ba3c07cc6d 100644
--- a/modules/angular2/test/public_api_spec.ts
+++ b/modules/angular2/test/public_api_spec.ts
@@ -1119,13 +1119,6 @@ var NG_API = [
   '{AfterContentInit}',
   '{AfterViewChecked}',
   '{AfterViewInit}',
-  '{ChangeDetector}',
-  '{ChangeDetector}.mode',
-  '{ChangeDetector}.mode=',
-  '{ChangeDetector}.parent',
-  '{ChangeDetector}.parent=',
-  '{ChangeDetector}.ref',
-  '{ChangeDetector}.ref=',
   '{ControlValueAccessor}',
   '{DoCheck}',
   '{Form}',