diff --git a/modules/angular2/alt_router.ts b/modules/angular2/alt_router.ts
index f4565b22a4..9272a92c1c 100644
--- a/modules/angular2/alt_router.ts
+++ b/modules/angular2/alt_router.ts
@@ -17,6 +17,5 @@ export {ROUTER_PROVIDERS} from './src/alt_router/router_providers';
 
 import {RouterOutlet} from './src/alt_router/directives/router_outlet';
 import {RouterLink} from './src/alt_router/directives/router_link';
-import {CONST_EXPR} from './src/facade/lang';
 
-export const ROUTER_DIRECTIVES: any[] = CONST_EXPR([RouterOutlet, RouterLink]);
+export const ROUTER_DIRECTIVES: any[] = /*@ts2dart_const*/ [RouterOutlet, RouterLink];
diff --git a/modules/angular2/platform/browser.ts b/modules/angular2/platform/browser.ts
index 17b186adfd..344430965d 100644
--- a/modules/angular2/platform/browser.ts
+++ b/modules/angular2/platform/browser.ts
@@ -13,7 +13,7 @@ export {
   disableDebugTools
 } from 'angular2/src/platform/browser_common';
 
-import {Type, isPresent, isBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type, isPresent, isBlank} from 'angular2/src/facade/lang';
 import {
   BROWSER_PROVIDERS,
   BROWSER_APP_COMMON_PROVIDERS,
@@ -39,10 +39,10 @@ import {Provider} from 'angular2/src/core/di';
 /**
  * An array of providers that should be passed into `application()` when bootstrapping a component.
  */
-export const BROWSER_APP_PROVIDERS: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
+export const BROWSER_APP_PROVIDERS: Array<any /*Type | Provider | any[]*/> = /*@ts2dart_const*/ [
   BROWSER_APP_COMMON_PROVIDERS,
   COMPILER_PROVIDERS,
-  new Provider(XHR, {useClass: XHRImpl}),
+  new Provider(XHR, {useClass: XHRImpl},
 ]);
 
 export function browserPlatform(): PlatformRef {
diff --git a/modules/angular2/platform/browser_static.ts b/modules/angular2/platform/browser_static.ts
index 06f5db4f57..2e062bdaa4 100644
--- a/modules/angular2/platform/browser_static.ts
+++ b/modules/angular2/platform/browser_static.ts
@@ -33,7 +33,7 @@ import {
  * have been precompiled offline.
  */
 export const BROWSER_APP_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    BROWSER_APP_COMMON_PROVIDERS;
+    /*@ts2dart_const*/ BROWSER_APP_COMMON_PROVIDERS;
 
 export function browserStaticPlatform(): PlatformRef {
   if (isBlank(getPlatform())) {
diff --git a/modules/angular2/platform/testing/browser.ts b/modules/angular2/platform/testing/browser.ts
index 5fa0032c70..b755b5b663 100644
--- a/modules/angular2/platform/testing/browser.ts
+++ b/modules/angular2/platform/testing/browser.ts
@@ -3,7 +3,6 @@ import {
   ADDITIONAL_TEST_BROWSER_PROVIDERS
 } from 'angular2/platform/testing/browser_static';
 import {BROWSER_APP_PROVIDERS} from 'angular2/platform/browser';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * Providers for using template cache to avoid actual XHR.
@@ -15,10 +14,10 @@ export {CACHED_TEMPLATE_PROVIDER} from 'angular2/platform/browser';
  * Default platform providers for testing.
  */
 export const TEST_BROWSER_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([TEST_BROWSER_STATIC_PLATFORM_PROVIDERS]);
+    /*@ts2dart_const*/[TEST_BROWSER_STATIC_PLATFORM_PROVIDERS];
 
 /**
  * Default application providers for testing.
  */
 export const TEST_BROWSER_APPLICATION_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([BROWSER_APP_PROVIDERS, ADDITIONAL_TEST_BROWSER_PROVIDERS]);
+    /*@ts2dart_const*/[BROWSER_APP_PROVIDERS, ADDITIONAL_TEST_BROWSER_PROVIDERS];
diff --git a/modules/angular2/platform/testing/browser_static.ts b/modules/angular2/platform/testing/browser_static.ts
index 95fe96f8f2..37ead07c68 100644
--- a/modules/angular2/platform/testing/browser_static.ts
+++ b/modules/angular2/platform/testing/browser_static.ts
@@ -30,7 +30,7 @@ import {BrowserDetection} from 'angular2/src/testing/utils';
 
 import {ELEMENT_PROBE_PROVIDERS} from 'angular2/platform/common_dom';
 
-import {CONST_EXPR, IS_DART} from 'angular2/src/facade/lang';
+import {IS_DART} from 'angular2/src/facade/lang';
 
 import {Log} from 'angular2/src/testing/utils';
 
@@ -47,14 +47,14 @@ function createNgZone(): NgZone {
  * Default platform providers for testing without a compiler.
  */
 export const TEST_BROWSER_STATIC_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([
+    /*@ts2dart_const*/ [
       PLATFORM_COMMON_PROVIDERS,
-      new Provider(PLATFORM_INITIALIZER, {useValue: initBrowserTests, multi: true})
+      new Provider(PLATFORM_INITIALIZER, {useValue: initBrowserTests, multi: true}
     ]);
 
 export const ADDITIONAL_TEST_BROWSER_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([
-      new Provider(APP_ID, {useValue: 'a'}),
+    /*@ts2dart_const*/ [
+      new Provider(APP_ID, {useValue: 'a'},
       ELEMENT_PROBE_PROVIDERS,
       new Provider(DirectiveResolver, {useClass: MockDirectiveResolver}),
       new Provider(ViewResolver, {useClass: MockViewResolver}),
@@ -69,8 +69,8 @@ export const ADDITIONAL_TEST_BROWSER_PROVIDERS: Array<any /*Type | Provider | an
  * Default application providers for testing without a compiler.
  */
 export const TEST_BROWSER_STATIC_APPLICATION_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([
+    /*@ts2dart_const*/ [
       BROWSER_APP_COMMON_PROVIDERS,
-      new Provider(XHR, {useClass: XHRImpl}),
+      new Provider(XHR, {useClass: XHRImpl},
       ADDITIONAL_TEST_BROWSER_PROVIDERS
     ]);
diff --git a/modules/angular2/platform/testing/server.ts b/modules/angular2/platform/testing/server.ts
index f8efe2c864..306ce49136 100644
--- a/modules/angular2/platform/testing/server.ts
+++ b/modules/angular2/platform/testing/server.ts
@@ -38,7 +38,6 @@ import {
 import {DomEventsPlugin} from 'angular2/src/platform/dom/events/dom_events';
 import {LocationStrategy} from 'angular2/platform/common';
 
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 import {Log} from 'angular2/src/testing/utils';
 
@@ -50,10 +49,11 @@ function initServerTests() {
 /**
  * Default platform providers for testing.
  */
-export const TEST_SERVER_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  PLATFORM_COMMON_PROVIDERS,
-  new Provider(PLATFORM_INITIALIZER, {useValue: initServerTests, multi: true})
-]);
+export const TEST_SERVER_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
+    /*@ts2dart_const*/ [
+      PLATFORM_COMMON_PROVIDERS,
+      new Provider(PLATFORM_INITIALIZER, {useValue: initServerTests, multi: true}
+    ]);
 
 function appDoc() {
   try {
@@ -67,8 +67,8 @@ function appDoc() {
  * Default application providers for testing.
  */
 export const TEST_SERVER_APPLICATION_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([
-      // TODO(julie): when angular2/platform/server is available, use that instead of making our own
+    /*@ts2dart_const*/ [
+      // TODO(julie: when angular2/platform/server is available, use that instead of making our own
       // list here.
       APPLICATION_COMMON_PROVIDERS,
       COMPILER_PROVIDERS,
diff --git a/modules/angular2/router.ts b/modules/angular2/router.ts
index a84d3897bc..18ca5c7f67 100644
--- a/modules/angular2/router.ts
+++ b/modules/angular2/router.ts
@@ -20,7 +20,6 @@ export {ROUTER_PROVIDERS, ROUTER_BINDINGS} from 'angular2/src/router/router_prov
 
 import {RouterOutlet} from './src/router/directives/router_outlet';
 import {RouterLink} from './src/router/directives/router_link';
-import {CONST_EXPR} from './src/facade/lang';
 
 /**
  * A list of directives. To use the router directives like {@link RouterOutlet} and
@@ -44,4 +43,4 @@ import {CONST_EXPR} from './src/facade/lang';
  * bootstrap(AppCmp, [ROUTER_PROVIDERS]);
  * ```
  */
-export const ROUTER_DIRECTIVES: any[] = CONST_EXPR([RouterOutlet, RouterLink]);
+export const ROUTER_DIRECTIVES: any[] = /*@ts2dart_const*/[RouterOutlet, RouterLink];
diff --git a/modules/angular2/router/router_link_dsl.ts b/modules/angular2/router/router_link_dsl.ts
index cfc1697882..f0ea49d6e3 100644
--- a/modules/angular2/router/router_link_dsl.ts
+++ b/modules/angular2/router/router_link_dsl.ts
@@ -1,7 +1,6 @@
 import {TEMPLATE_TRANSFORMS} from 'angular2/compiler';
 import {Provider} from 'angular2/core';
 import {RouterLinkTransform} from 'angular2/src/router/directives/router_link_transform';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 export {RouterLinkTransform} from 'angular2/src/router/directives/router_link_transform';
 
@@ -32,4 +31,5 @@ export {RouterLinkTransform} from 'angular2/src/router/directives/router_link_tr
  * ```
  */
 export const ROUTER_LINK_DSL_PROVIDER =
-    CONST_EXPR(new Provider(TEMPLATE_TRANSFORMS, {useClass: RouterLinkTransform, multi: true}));
+    /*@ts2dart_const*/
+    new Provider(TEMPLATE_TRANSFORMS, {useClass: RouterLinkTransform, multi: true});
diff --git a/modules/angular2/src/common/common_directives.ts b/modules/angular2/src/common/common_directives.ts
index 50c3a6c2e6..5b12520b35 100644
--- a/modules/angular2/src/common/common_directives.ts
+++ b/modules/angular2/src/common/common_directives.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, Type} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 
 import {FORM_DIRECTIVES} from './forms';
 import {CORE_DIRECTIVES} from './directives';
@@ -46,4 +46,4 @@ import {CORE_DIRECTIVES} from './directives';
  * }
  * ```
  */
-export const COMMON_DIRECTIVES: Type[][] = CONST_EXPR([CORE_DIRECTIVES, FORM_DIRECTIVES]);
+export const COMMON_DIRECTIVES: Type[][] = /*@ts2dart_const*/[CORE_DIRECTIVES, FORM_DIRECTIVES];
diff --git a/modules/angular2/src/common/directives/core_directives.ts b/modules/angular2/src/common/directives/core_directives.ts
index fed030c5c2..ee4c83a349 100644
--- a/modules/angular2/src/common/directives/core_directives.ts
+++ b/modules/angular2/src/common/directives/core_directives.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, Type} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 import {NgClass} from './ng_class';
 import {NgFor} from './ng_for';
 import {NgIf} from './ng_if';
@@ -47,7 +47,7 @@ import {NgPlural, NgPluralCase} from './ng_plural';
  * }
  * ```
  */
-export const CORE_DIRECTIVES: Type[] = CONST_EXPR([
+export const CORE_DIRECTIVES: Type[] = /*@ts2dart_const*/[
   NgClass,
   NgFor,
   NgIf,
@@ -58,4 +58,4 @@ export const CORE_DIRECTIVES: Type[] = CONST_EXPR([
   NgSwitchDefault,
   NgPlural,
   NgPluralCase
-]);
+];
diff --git a/modules/angular2/src/common/directives/ng_switch.ts b/modules/angular2/src/common/directives/ng_switch.ts
index 4ad6719368..74db4ab2cf 100644
--- a/modules/angular2/src/common/directives/ng_switch.ts
+++ b/modules/angular2/src/common/directives/ng_switch.ts
@@ -1,8 +1,8 @@
 import {Directive, Host, ViewContainerRef, TemplateRef} from 'angular2/core';
-import {isPresent, isBlank, normalizeBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent, isBlank, normalizeBlank} from 'angular2/src/facade/lang';
 import {ListWrapper, Map} from 'angular2/src/facade/collection';
 
-const _WHEN_DEFAULT = CONST_EXPR(new Object());
+const _WHEN_DEFAULT = /*@ts2dart_const*/ new Object();
 
 export class SwitchView {
   constructor(private _viewContainerRef: ViewContainerRef,
diff --git a/modules/angular2/src/common/forms.ts b/modules/angular2/src/common/forms.ts
index f25b8067c2..2d17fc37ef 100644
--- a/modules/angular2/src/common/forms.ts
+++ b/modules/angular2/src/common/forms.ts
@@ -43,7 +43,7 @@ export {
 export {FormBuilder} from './forms/form_builder';
 import {FormBuilder} from './forms/form_builder';
 import {RadioControlRegistry} from './forms/directives/radio_control_value_accessor';
-import {Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 
 /**
  * Shorthand set of providers used for building Angular forms.
@@ -54,11 +54,11 @@ import {Type, CONST_EXPR} from 'angular2/src/facade/lang';
  * bootstrap(MyApp, [FORM_PROVIDERS]);
  * ```
  */
-export const FORM_PROVIDERS: Type[] = CONST_EXPR([FormBuilder, RadioControlRegistry]);
+export const FORM_PROVIDERS: Type[] = /*@ts2dart_const*/[FormBuilder, RadioControlRegistry];
 
 /**
  * See {@link FORM_PROVIDERS} instead.
  *
  * @deprecated
  */
-export const FORM_BINDINGS = FORM_PROVIDERS;
+export const FORM_BINDINGS = /*@ts2dart_const*/ FORM_PROVIDERS;
diff --git a/modules/angular2/src/common/forms/directives.ts b/modules/angular2/src/common/forms/directives.ts
index 5becfaa109..4e0463dae1 100644
--- a/modules/angular2/src/common/forms/directives.ts
+++ b/modules/angular2/src/common/forms/directives.ts
@@ -1,4 +1,4 @@
-import {Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 import {NgControlName} from './directives/ng_control_name';
 import {NgFormControl} from './directives/ng_form_control';
 import {NgModel} from './directives/ng_model';
@@ -64,7 +64,7 @@ export {ControlValueAccessor} from './directives/control_value_accessor';
  * class MyApp {}
  * ```
  */
-export const FORM_DIRECTIVES: Type[] = CONST_EXPR([
+export const FORM_DIRECTIVES: Type[] = /*@ts2dart_const*/[
   NgControlName,
   NgControlGroup,
 
@@ -85,4 +85,4 @@ export const FORM_DIRECTIVES: Type[] = CONST_EXPR([
   MinLengthValidator,
   MaxLengthValidator,
   PatternValidator
-]);
+];
diff --git a/modules/angular2/src/common/forms/directives/checkbox_value_accessor.ts b/modules/angular2/src/common/forms/directives/checkbox_value_accessor.ts
index 7979ce8fe0..7c4d8970de 100644
--- a/modules/angular2/src/common/forms/directives/checkbox_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/checkbox_value_accessor.ts
@@ -1,10 +1,9 @@
 import {Directive, Renderer, ElementRef, Self, forwardRef, Provider} from 'angular2/core';
 
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from './control_value_accessor';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
-export const CHECKBOX_VALUE_ACCESSOR = CONST_EXPR(new Provider(
-    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => CheckboxControlValueAccessor), multi: true}));
+export const CHECKBOX_VALUE_ACCESSOR = /*@ts2dart_const*/ new Provider(
+    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => CheckboxControlValueAccessor), multi: true});
 
 /**
  * The accessor for writing a value and listening to changes on a checkbox input element.
diff --git a/modules/angular2/src/common/forms/directives/control_value_accessor.ts b/modules/angular2/src/common/forms/directives/control_value_accessor.ts
index 90820f7d70..76482248a6 100644
--- a/modules/angular2/src/common/forms/directives/control_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/control_value_accessor.ts
@@ -1,5 +1,4 @@
 import {OpaqueToken} from 'angular2/core';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * A bridge between a control and a native element.
@@ -31,4 +30,5 @@ export interface ControlValueAccessor {
  *
  * See {@link DefaultValueAccessor} for how to implement one.
  */
-export const NG_VALUE_ACCESSOR: OpaqueToken = CONST_EXPR(new OpaqueToken("NgValueAccessor"));
\ No newline at end of file
+export const NG_VALUE_ACCESSOR: OpaqueToken =
+    /*@ts2dart_const*/ new OpaqueToken("NgValueAccessor");
diff --git a/modules/angular2/src/common/forms/directives/default_value_accessor.ts b/modules/angular2/src/common/forms/directives/default_value_accessor.ts
index 1d5c704b75..48b8bd3ee8 100644
--- a/modules/angular2/src/common/forms/directives/default_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/default_value_accessor.ts
@@ -1,9 +1,9 @@
 import {Directive, ElementRef, Renderer, Self, forwardRef, Provider} from 'angular2/core';
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from './control_value_accessor';
-import {isBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank} from 'angular2/src/facade/lang';
 
-export const DEFAULT_VALUE_ACCESSOR = CONST_EXPR(new Provider(
-    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => DefaultValueAccessor), multi: true}));
+export const DEFAULT_VALUE_ACCESSOR = /*@ts2dart_const*/ new Provider(
+    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => DefaultValueAccessor), multi: true});
 
 /**
  * The default accessor for writing a value and listening to changes that is used by the
diff --git a/modules/angular2/src/common/forms/directives/ng_control_group.ts b/modules/angular2/src/common/forms/directives/ng_control_group.ts
index 037de2764d..efde8d793f 100644
--- a/modules/angular2/src/common/forms/directives/ng_control_group.ts
+++ b/modules/angular2/src/common/forms/directives/ng_control_group.ts
@@ -10,7 +10,6 @@ import {
   Provider,
   Self
 } from 'angular2/core';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 import {ControlContainer} from './control_container';
 import {controlPath, composeValidators, composeAsyncValidators} from './shared';
@@ -20,7 +19,8 @@ import {NG_VALIDATORS, NG_ASYNC_VALIDATORS} from '../validators';
 import {AsyncValidatorFn, ValidatorFn} from './validators';
 
 export const controlGroupProvider =
-    CONST_EXPR(new Provider(ControlContainer, {useExisting: forwardRef(() => NgControlGroup)}));
+    /*@ts2dart_const*/
+    new Provider(ControlContainer, {useExisting: forwardRef(() => NgControlGroup)});
 
 /**
  * Creates and binds a control group to a DOM element.
diff --git a/modules/angular2/src/common/forms/directives/ng_control_name.ts b/modules/angular2/src/common/forms/directives/ng_control_name.ts
index 3a5dd04a76..62b5a2f6e4 100644
--- a/modules/angular2/src/common/forms/directives/ng_control_name.ts
+++ b/modules/angular2/src/common/forms/directives/ng_control_name.ts
@@ -1,4 +1,3 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {EventEmitter, ObservableWrapper} from 'angular2/src/facade/async';
 
 import {
@@ -32,7 +31,7 @@ import {ValidatorFn, AsyncValidatorFn} from './validators';
 
 
 export const controlNameBinding =
-    CONST_EXPR(new Provider(NgControl, {useExisting: forwardRef(() => NgControlName)}));
+    /*@ts2dart_const*/ new Provider(NgControl, {useExisting: forwardRef(() => NgControlName)});
 
 /**
  * Creates and binds a control with a specified name to a DOM element.
diff --git a/modules/angular2/src/common/forms/directives/ng_form.ts b/modules/angular2/src/common/forms/directives/ng_form.ts
index e8a8efd753..5e3344257f 100644
--- a/modules/angular2/src/common/forms/directives/ng_form.ts
+++ b/modules/angular2/src/common/forms/directives/ng_form.ts
@@ -5,7 +5,7 @@ import {
   PromiseCompleter
 } from 'angular2/src/facade/async';
 import {StringMapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-import {isPresent, isBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent, isBlank} from 'angular2/src/facade/lang';
 import {Directive, forwardRef, Provider, Optional, Inject, Self} from 'angular2/core';
 import {NgControl} from './ng_control';
 import {Form} from './form_interface';
@@ -15,8 +15,8 @@ import {AbstractControl, ControlGroup, Control} from '../model';
 import {setUpControl, setUpControlGroup, composeValidators, composeAsyncValidators} from './shared';
 import {Validators, NG_VALIDATORS, NG_ASYNC_VALIDATORS} from '../validators';
 
-export const formDirectiveProvider =
-    CONST_EXPR(new Provider(ControlContainer, {useExisting: forwardRef(() => NgForm)}));
+const formDirectiveProvider =
+    /*@ts2dart_const*/ new Provider(ControlContainer, {useExisting: forwardRef(() => NgForm)});
 
 /**
  * If `NgForm` is bound in a component, `<form>` elements in that component will be
diff --git a/modules/angular2/src/common/forms/directives/ng_form_control.ts b/modules/angular2/src/common/forms/directives/ng_form_control.ts
index 26facfb753..020f851545 100644
--- a/modules/angular2/src/common/forms/directives/ng_form_control.ts
+++ b/modules/angular2/src/common/forms/directives/ng_form_control.ts
@@ -1,4 +1,3 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {StringMapWrapper} from 'angular2/src/facade/collection';
 import {EventEmitter, ObservableWrapper} from 'angular2/src/facade/async';
 import {
@@ -25,8 +24,8 @@ import {
 } from './shared';
 import {ValidatorFn, AsyncValidatorFn} from './validators';
 
-export const formControlBinding =
-    CONST_EXPR(new Provider(NgControl, {useExisting: forwardRef(() => NgFormControl)}));
+const formControlBinding =
+    /*@ts2dart_const*/ new Provider(NgControl, {useExisting: forwardRef(() => NgFormControl)});
 
 /**
  * Binds an existing {@link Control} to a DOM element.
diff --git a/modules/angular2/src/common/forms/directives/ng_form_model.ts b/modules/angular2/src/common/forms/directives/ng_form_model.ts
index 1a06182cdb..1a412467aa 100644
--- a/modules/angular2/src/common/forms/directives/ng_form_model.ts
+++ b/modules/angular2/src/common/forms/directives/ng_form_model.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, isBlank} from 'angular2/src/facade/lang';
+import {isBlank} from 'angular2/src/facade/lang';
 import {ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
 import {BaseException} from 'angular2/src/facade/exceptions';
 import {ObservableWrapper, EventEmitter} from 'angular2/src/facade/async';
@@ -21,7 +21,8 @@ import {setUpControl, setUpControlGroup, composeValidators, composeAsyncValidato
 import {Validators, NG_VALIDATORS, NG_ASYNC_VALIDATORS} from '../validators';
 
 export const formDirectiveProvider =
-    CONST_EXPR(new Provider(ControlContainer, {useExisting: forwardRef(() => NgFormModel)}));
+    /*@ts2dart_const*/
+    new Provider(ControlContainer, {useExisting: forwardRef(() => NgFormModel)});
 
 /**
  * Binds an existing control group to a DOM element.
diff --git a/modules/angular2/src/common/forms/directives/ng_model.ts b/modules/angular2/src/common/forms/directives/ng_model.ts
index b2ed55b2de..e4b695306e 100644
--- a/modules/angular2/src/common/forms/directives/ng_model.ts
+++ b/modules/angular2/src/common/forms/directives/ng_model.ts
@@ -1,4 +1,3 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {EventEmitter, ObservableWrapper} from 'angular2/src/facade/async';
 import {
   OnChanges,
@@ -24,7 +23,7 @@ import {
 import {ValidatorFn, AsyncValidatorFn} from './validators';
 
 export const formControlBinding =
-    CONST_EXPR(new Provider(NgControl, {useExisting: forwardRef(() => NgModel)}));
+    /*@ts2dart_const*/ new Provider(NgControl, {useExisting: forwardRef(() => NgModel)});
 
 /**
  * Binds a domain model to a form control.
diff --git a/modules/angular2/src/common/forms/directives/number_value_accessor.ts b/modules/angular2/src/common/forms/directives/number_value_accessor.ts
index 27a1a7a555..67e36d5ac2 100644
--- a/modules/angular2/src/common/forms/directives/number_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/number_value_accessor.ts
@@ -1,9 +1,9 @@
 import {Directive, ElementRef, Renderer, Self, forwardRef, Provider} from 'angular2/core';
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from './control_value_accessor';
-import {isBlank, CONST_EXPR, NumberWrapper} from 'angular2/src/facade/lang';
+import {isBlank, NumberWrapper} from 'angular2/src/facade/lang';
 
-export const NUMBER_VALUE_ACCESSOR = CONST_EXPR(new Provider(
-    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => NumberValueAccessor), multi: true}));
+export const NUMBER_VALUE_ACCESSOR = /*@ts2dart_const*/ new Provider(
+    NG_VALUE_ACCESSOR, {useExisting: forwardRef(( => NumberValueAccessor), multi: true}));
 
 /**
  * The accessor for writing a number value and listening to changes that is used by the
diff --git a/modules/angular2/src/common/forms/directives/radio_control_value_accessor.ts b/modules/angular2/src/common/forms/directives/radio_control_value_accessor.ts
index d9e39c4a75..25a53bb1b9 100644
--- a/modules/angular2/src/common/forms/directives/radio_control_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/radio_control_value_accessor.ts
@@ -17,11 +17,11 @@ import {
   ControlValueAccessor
 } from 'angular2/src/common/forms/directives/control_value_accessor';
 import {NgControl} from 'angular2/src/common/forms/directives/ng_control';
-import {CONST_EXPR, looseIdentical, isPresent} from 'angular2/src/facade/lang';
+import {looseIdentical, isPresent} from 'angular2/src/facade/lang';
 import {ListWrapper} from 'angular2/src/facade/collection';
 
-export const RADIO_VALUE_ACCESSOR = CONST_EXPR(new Provider(
-    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => RadioControlValueAccessor), multi: true}));
+export const RADIO_VALUE_ACCESSOR = /*@ts2dart_const*/ new Provider(
+    NG_VALUE_ACCESSOR, {useExisting: forwardRef(( => RadioControlValueAccessor), multi: true}));
 
 
 /**
diff --git a/modules/angular2/src/common/forms/directives/select_control_value_accessor.ts b/modules/angular2/src/common/forms/directives/select_control_value_accessor.ts
index e70e1a94bf..8d99d3addc 100644
--- a/modules/angular2/src/common/forms/directives/select_control_value_accessor.ts
+++ b/modules/angular2/src/common/forms/directives/select_control_value_accessor.ts
@@ -11,7 +11,6 @@ import {
 } from 'angular2/core';
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from './control_value_accessor';
 import {
-  CONST_EXPR,
   StringWrapper,
   isPrimitive,
   isPresent,
@@ -21,8 +20,8 @@ import {
 
 import {MapWrapper} from 'angular2/src/facade/collection';
 
-export const SELECT_VALUE_ACCESSOR = CONST_EXPR(new Provider(
-    NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => SelectControlValueAccessor), multi: true}));
+export const SELECT_VALUE_ACCESSOR = /*@ts2dart_const*/ new Provider(
+    NG_VALUE_ACCESSOR, {useExisting: forwardRef(( => SelectControlValueAccessor), multi: true}));
 
 function _buildValueString(id: string, value: any): string {
   if (isBlank(id)) return `${value}`;
diff --git a/modules/angular2/src/common/forms/directives/validators.ts b/modules/angular2/src/common/forms/directives/validators.ts
index a2c0bc9d06..161970440f 100644
--- a/modules/angular2/src/common/forms/directives/validators.ts
+++ b/modules/angular2/src/common/forms/directives/validators.ts
@@ -1,5 +1,5 @@
 import {forwardRef, Provider, Attribute, Directive} from 'angular2/core';
-import {CONST_EXPR, NumberWrapper} from 'angular2/src/facade/lang';
+import {NumberWrapper} from 'angular2/src/facade/lang';
 import {Validators, NG_VALIDATORS} from '../validators';
 import {AbstractControl} from '../model';
 import * as modelModule from '../model';
@@ -25,10 +25,10 @@ import * as modelModule from '../model';
  */
 export interface Validator { validate(c: modelModule.AbstractControl): {[key: string]: any}; }
 
-const REQUIRED = /*@ts2dart_const*/(Validators.required);
+const REQUIRED = /*@ts2dart_const*/ Validators.required;
 
 export const REQUIRED_VALIDATOR =
-    CONST_EXPR(new Provider(NG_VALIDATORS, {useValue: REQUIRED, multi: true}));
+    /*@ts2dart_const*/ new Provider(NG_VALIDATORS, {useValue: REQUIRED, multi: true});
 
 /**
  * A Directive that adds the `required` validator to any controls marked with the
@@ -59,8 +59,8 @@ export interface AsyncValidatorFn {
  *
  * {@example common/forms/ts/validators/validators.ts region='min'}
  */
-export const MIN_LENGTH_VALIDATOR = CONST_EXPR(
-    new Provider(NG_VALIDATORS, {useExisting: forwardRef(() => MinLengthValidator), multi: true}));
+export const MIN_LENGTH_VALIDATOR = /*@ts2dart_const*/
+    new Provider(NG_VALIDATORS, {useExisting: forwardRef(( => MinLengthValidator), multi: true}));
 
 /**
  * A directive which installs the {@link MinLengthValidator} for any `ngControl`,
@@ -87,8 +87,8 @@ export class MinLengthValidator implements Validator {
  *
  * {@example common/forms/ts/validators/validators.ts region='max'}
  */
-export const MAX_LENGTH_VALIDATOR = CONST_EXPR(
-    new Provider(NG_VALIDATORS, {useExisting: forwardRef(() => MaxLengthValidator), multi: true}));
+export const MAX_LENGTH_VALIDATOR = /*@ts2dart_const*/
+    new Provider(NG_VALIDATORS, {useExisting: forwardRef(( => MaxLengthValidator), multi: true}));
 
 /**
  * A directive which installs the {@link MaxLengthValidator} for any `ngControl, `ngFormControl`,
@@ -121,8 +121,8 @@ export class MaxLengthValidator implements Validator {
  * <input [ngControl]="fullName" pattern="[a-zA-Z ]*">
  * ```
  */
-export const PATTERN_VALIDATOR = CONST_EXPR(
-    new Provider(NG_VALIDATORS, {useExisting: forwardRef(() => PatternValidator), multi: true}));
+export const PATTERN_VALIDATOR = /*@ts2dart_const*/
+    new Provider(NG_VALIDATORS, {useExisting: forwardRef(( => PatternValidator), multi: true}));
 @Directive({
   selector: '[pattern][ngControl],[pattern][ngFormControl],[pattern][ngModel]',
   providers: [PATTERN_VALIDATOR]
diff --git a/modules/angular2/src/common/forms/form_builder.ts b/modules/angular2/src/common/forms/form_builder.ts
index 960192eaa6..d34ebda883 100644
--- a/modules/angular2/src/common/forms/form_builder.ts
+++ b/modules/angular2/src/common/forms/form_builder.ts
@@ -1,6 +1,6 @@
 import {Injectable} from 'angular2/core';
 import {StringMapWrapper} from 'angular2/src/facade/collection';
-import {isPresent, isArray, CONST_EXPR, Type} from 'angular2/src/facade/lang';
+import {isPresent, isArray, Type} from 'angular2/src/facade/lang';
 import * as modelModule from './model';
 import {ValidatorFn, AsyncValidatorFn} from './directives/validators';
 
diff --git a/modules/angular2/src/common/forms/validators.ts b/modules/angular2/src/common/forms/validators.ts
index 7663b7263e..43a6e9a817 100644
--- a/modules/angular2/src/common/forms/validators.ts
+++ b/modules/angular2/src/common/forms/validators.ts
@@ -1,4 +1,4 @@
-import {isBlank, isPresent, CONST_EXPR, isString} from 'angular2/src/facade/lang';
+import {isBlank, isPresent, isString} from 'angular2/src/facade/lang';
 import {PromiseWrapper} from 'angular2/src/facade/promise';
 import {ObservableWrapper} from 'angular2/src/facade/async';
 import {ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
@@ -16,7 +16,7 @@ import {ValidatorFn, AsyncValidatorFn} from './directives/validators';
  *
  * {@example core/forms/ts/ng_validators/ng_validators.ts region='ng_validators'}
  */
-export const NG_VALIDATORS: OpaqueToken = CONST_EXPR(new OpaqueToken("NgValidators"));
+export const NG_VALIDATORS: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken("NgValidators");
 
 /**
  * Providers for asynchronous validators to be used for {@link Control}s
@@ -26,7 +26,8 @@ export const NG_VALIDATORS: OpaqueToken = CONST_EXPR(new OpaqueToken("NgValidato
  *
  * See {@link NG_VALIDATORS} for more details.
  */
-export const NG_ASYNC_VALIDATORS: OpaqueToken = CONST_EXPR(new OpaqueToken("NgAsyncValidators"));
+export const NG_ASYNC_VALIDATORS: OpaqueToken =
+    /*@ts2dart_const*/ new OpaqueToken("NgAsyncValidators");
 
 /**
  * Provides a set of validators used by form controls.
diff --git a/modules/angular2/src/common/pipes/common_pipes.ts b/modules/angular2/src/common/pipes/common_pipes.ts
index cc92c09f20..7222ceee52 100644
--- a/modules/angular2/src/common/pipes/common_pipes.ts
+++ b/modules/angular2/src/common/pipes/common_pipes.ts
@@ -13,7 +13,6 @@ import {DecimalPipe, PercentPipe, CurrencyPipe} from './number_pipe';
 import {ReplacePipe} from './replace_pipe';
 import {I18nPluralPipe} from './i18n_plural_pipe';
 import {I18nSelectPipe} from './i18n_select_pipe';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * A collection of Angular core pipes that are likely to be used in each and every
@@ -22,7 +21,7 @@ import {CONST_EXPR} from 'angular2/src/facade/lang';
  * This collection can be used to quickly enumerate all the built-in pipes in the `pipes`
  * property of the `@Component` decorator.
  */
-export const COMMON_PIPES = CONST_EXPR([
+export const COMMON_PIPES = /*@ts2dart_const*/[
   AsyncPipe,
   UpperCasePipe,
   LowerCasePipe,
@@ -35,4 +34,4 @@ export const COMMON_PIPES = CONST_EXPR([
   ReplacePipe,
   I18nPluralPipe,
   I18nSelectPipe
-]);
+];
diff --git a/modules/angular2/src/compiler/chars.ts b/modules/angular2/src/compiler/chars.ts
index 6085cab458..20619b9357 100644
--- a/modules/angular2/src/compiler/chars.ts
+++ b/modules/angular2/src/compiler/chars.ts
@@ -1,63 +1,63 @@
-export const $EOF = /*@ts2dart_const*/(0);
-export const $TAB = /*@ts2dart_const*/(9);
-export const $LF = /*@ts2dart_const*/(10);
-export const $VTAB = /*@ts2dart_const*/(11);
-export const $FF = /*@ts2dart_const*/(12);
-export const $CR = /*@ts2dart_const*/(13);
-export const $SPACE = /*@ts2dart_const*/(32);
-export const $BANG = /*@ts2dart_const*/(33);
-export const $DQ = /*@ts2dart_const*/(34);
-export const $HASH = /*@ts2dart_const*/(35);
-export const $$ = /*@ts2dart_const*/(36);
-export const $PERCENT = /*@ts2dart_const*/(37);
-export const $AMPERSAND = /*@ts2dart_const*/(38);
-export const $SQ = /*@ts2dart_const*/(39);
-export const $LPAREN = /*@ts2dart_const*/(40);
-export const $RPAREN = /*@ts2dart_const*/(41);
-export const $STAR = /*@ts2dart_const*/(42);
-export const $PLUS = /*@ts2dart_const*/(43);
-export const $COMMA = /*@ts2dart_const*/(44);
-export const $MINUS = /*@ts2dart_const*/(45);
-export const $PERIOD = /*@ts2dart_const*/(46);
-export const $SLASH = /*@ts2dart_const*/(47);
-export const $COLON = /*@ts2dart_const*/(58);
-export const $SEMICOLON = /*@ts2dart_const*/(59);
-export const $LT = /*@ts2dart_const*/(60);
-export const $EQ = /*@ts2dart_const*/(61);
-export const $GT = /*@ts2dart_const*/(62);
-export const $QUESTION = /*@ts2dart_const*/(63);
+export const $EOF = /*@ts2dart_const*/ 0;
+export const $TAB = /*@ts2dart_const*/ 9;
+export const $LF = /*@ts2dart_const*/ 10;
+export const $VTAB = /*@ts2dart_const*/ 11;
+export const $FF = /*@ts2dart_const*/ 12;
+export const $CR = /*@ts2dart_const*/ 13;
+export const $SPACE = /*@ts2dart_const*/ 32;
+export const $BANG = /*@ts2dart_const*/ 33;
+export const $DQ = /*@ts2dart_const*/ 34;
+export const $HASH = /*@ts2dart_const*/ 35;
+export const $$ = /*@ts2dart_const*/ 36;
+export const $PERCENT = /*@ts2dart_const*/ 37;
+export const $AMPERSAND = /*@ts2dart_const*/ 38;
+export const $SQ = /*@ts2dart_const*/ 39;
+export const $LPAREN = /*@ts2dart_const*/ 40;
+export const $RPAREN = /*@ts2dart_const*/ 41;
+export const $STAR = /*@ts2dart_const*/ 42;
+export const $PLUS = /*@ts2dart_const*/ 43;
+export const $COMMA = /*@ts2dart_const*/ 44;
+export const $MINUS = /*@ts2dart_const*/ 45;
+export const $PERIOD = /*@ts2dart_const*/ 46;
+export const $SLASH = /*@ts2dart_const*/ 47;
+export const $COLON = /*@ts2dart_const*/ 58;
+export const $SEMICOLON = /*@ts2dart_const*/ 59;
+export const $LT = /*@ts2dart_const*/ 60;
+export const $EQ = /*@ts2dart_const*/ 61;
+export const $GT = /*@ts2dart_const*/ 62;
+export const $QUESTION = /*@ts2dart_const*/ 63;
 
-export const $0 = /*@ts2dart_const*/(48);
-export const $9 = /*@ts2dart_const*/(57);
+export const $0 = /*@ts2dart_const*/ 48;
+export const $9 = /*@ts2dart_const*/ 57;
 
-export const $A = /*@ts2dart_const*/(65);
-export const $E = /*@ts2dart_const*/(69);
-export const $Z = /*@ts2dart_const*/(90);
+export const $A = /*@ts2dart_const*/ 65;
+export const $E = /*@ts2dart_const*/ 69;
+export const $Z = /*@ts2dart_const*/ 90;
 
-export const $LBRACKET = /*@ts2dart_const*/(91);
-export const $BACKSLASH = /*@ts2dart_const*/(92);
-export const $RBRACKET = /*@ts2dart_const*/(93);
-export const $CARET = /*@ts2dart_const*/(94);
-export const $_ = /*@ts2dart_const*/(95);
+export const $LBRACKET = /*@ts2dart_const*/ 91;
+export const $BACKSLASH = /*@ts2dart_const*/ 92;
+export const $RBRACKET = /*@ts2dart_const*/ 93;
+export const $CARET = /*@ts2dart_const*/ 94;
+export const $_ = /*@ts2dart_const*/ 95;
 
-export const $a = /*@ts2dart_const*/(97);
-export const $e = /*@ts2dart_const*/(101);
-export const $f = /*@ts2dart_const*/(102);
-export const $n = /*@ts2dart_const*/(110);
-export const $r = /*@ts2dart_const*/(114);
-export const $t = /*@ts2dart_const*/(116);
-export const $u = /*@ts2dart_const*/(117);
-export const $v = /*@ts2dart_const*/(118);
-export const $z = /*@ts2dart_const*/(122);
+export const $a = /*@ts2dart_const*/ 97;
+export const $e = /*@ts2dart_const*/ 101;
+export const $f = /*@ts2dart_const*/ 102;
+export const $n = /*@ts2dart_const*/ 110;
+export const $r = /*@ts2dart_const*/ 114;
+export const $t = /*@ts2dart_const*/ 116;
+export const $u = /*@ts2dart_const*/ 117;
+export const $v = /*@ts2dart_const*/ 118;
+export const $z = /*@ts2dart_const*/ 122;
 
-export const $LBRACE = /*@ts2dart_const*/(123);
-export const $BAR = /*@ts2dart_const*/(124);
-export const $RBRACE = /*@ts2dart_const*/(125);
-export const $NBSP = /*@ts2dart_const*/(160);
+export const $LBRACE = /*@ts2dart_const*/ 123;
+export const $BAR = /*@ts2dart_const*/ 124;
+export const $RBRACE = /*@ts2dart_const*/ 125;
+export const $NBSP = /*@ts2dart_const*/ 160;
 
-export const $PIPE = /*@ts2dart_const*/(124);
-export const $TILDA = /*@ts2dart_const*/(126);
-export const $AT = /*@ts2dart_const*/(64);
+export const $PIPE = /*@ts2dart_const*/ 124;
+export const $TILDA = /*@ts2dart_const*/ 126;
+export const $AT = /*@ts2dart_const*/ 64;
 
 export function isWhitespace(code: number): boolean {
   return (code >= $TAB && code <= $SPACE) || (code == $NBSP);
diff --git a/modules/angular2/src/compiler/compiler.ts b/modules/angular2/src/compiler/compiler.ts
index 70ae659726..b8e7d24199 100644
--- a/modules/angular2/src/compiler/compiler.ts
+++ b/modules/angular2/src/compiler/compiler.ts
@@ -12,7 +12,7 @@ export {ViewResolver} from './view_resolver';
 export {DirectiveResolver} from './directive_resolver';
 export {PipeResolver} from './pipe_resolver';
 
-import {assertionsEnabled, Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {assertionsEnabled, Type} from 'angular2/src/facade/lang';
 import {provide, Provider} from 'angular2/src/core/di';
 import {TemplateParser} from 'angular2/src/compiler/template_parser';
 import {HtmlParser} from 'angular2/src/compiler/html_parser';
@@ -40,7 +40,7 @@ function _createCompilerConfig() {
  * A set of providers that provide `RuntimeCompiler` and its dependencies to use for
  * template compilation.
  */
-export const COMPILER_PROVIDERS: Array<Type | Provider | any[]> = CONST_EXPR([
+export const COMPILER_PROVIDERS: Array<Type | Provider | any[]> = /*@ts2dart_const*/ [
   Lexer,
   Parser,
   HtmlParser,
@@ -50,7 +50,7 @@ export const COMPILER_PROVIDERS: Array<Type | Provider | any[]> = CONST_EXPR([
   DEFAULT_PACKAGE_URL_PROVIDER,
   StyleCompiler,
   ViewCompiler,
-  new Provider(CompilerConfig, {useFactory: _createCompilerConfig, deps: []}),
+  new Provider(CompilerConfig, {useFactory: _createCompilerConfig, deps: []},
   RuntimeCompiler,
   new Provider(ComponentResolver, {useExisting: RuntimeCompiler}),
   DomElementSchemaRegistry,
diff --git a/modules/angular2/src/compiler/expression_parser/lexer.ts b/modules/angular2/src/compiler/expression_parser/lexer.ts
index 639f851f52..12e0e86fd2 100644
--- a/modules/angular2/src/compiler/expression_parser/lexer.ts
+++ b/modules/angular2/src/compiler/expression_parser/lexer.ts
@@ -110,54 +110,54 @@ function newNumberToken(index: number, n: number): Token {
 
 export var EOF: Token = new Token(-1, TokenType.Character, 0, "");
 
-export const $EOF = /*@ts2dart_const*/(0);
-export const $TAB = /*@ts2dart_const*/(9);
-export const $LF = /*@ts2dart_const*/(10);
-export const $VTAB = /*@ts2dart_const*/(11);
-export const $FF = /*@ts2dart_const*/(12);
-export const $CR = /*@ts2dart_const*/(13);
-export const $SPACE = /*@ts2dart_const*/(32);
-export const $BANG = /*@ts2dart_const*/(33);
-export const $DQ = /*@ts2dart_const*/(34);
-export const $HASH = /*@ts2dart_const*/(35);
-export const $$ = /*@ts2dart_const*/(36);
-export const $PERCENT = /*@ts2dart_const*/(37);
-export const $AMPERSAND = /*@ts2dart_const*/(38);
-export const $SQ = /*@ts2dart_const*/(39);
-export const $LPAREN = /*@ts2dart_const*/(40);
-export const $RPAREN = /*@ts2dart_const*/(41);
-export const $STAR = /*@ts2dart_const*/(42);
-export const $PLUS = /*@ts2dart_const*/(43);
-export const $COMMA = /*@ts2dart_const*/(44);
-export const $MINUS = /*@ts2dart_const*/(45);
-export const $PERIOD = /*@ts2dart_const*/(46);
-export const $SLASH = /*@ts2dart_const*/(47);
-export const $COLON = /*@ts2dart_const*/(58);
-export const $SEMICOLON = /*@ts2dart_const*/(59);
-export const $LT = /*@ts2dart_const*/(60);
-export const $EQ = /*@ts2dart_const*/(61);
-export const $GT = /*@ts2dart_const*/(62);
-export const $QUESTION = /*@ts2dart_const*/(63);
+export const $EOF = /*@ts2dart_const*/ 0;
+export const $TAB = /*@ts2dart_const*/ 9;
+export const $LF = /*@ts2dart_const*/ 10;
+export const $VTAB = /*@ts2dart_const*/ 11;
+export const $FF = /*@ts2dart_const*/ 12;
+export const $CR = /*@ts2dart_const*/ 13;
+export const $SPACE = /*@ts2dart_const*/ 32;
+export const $BANG = /*@ts2dart_const*/ 33;
+export const $DQ = /*@ts2dart_const*/ 34;
+export const $HASH = /*@ts2dart_const*/ 35;
+export const $$ = /*@ts2dart_const*/ 36;
+export const $PERCENT = /*@ts2dart_const*/ 37;
+export const $AMPERSAND = /*@ts2dart_const*/ 38;
+export const $SQ = /*@ts2dart_const*/ 39;
+export const $LPAREN = /*@ts2dart_const*/ 40;
+export const $RPAREN = /*@ts2dart_const*/ 41;
+export const $STAR = /*@ts2dart_const*/ 42;
+export const $PLUS = /*@ts2dart_const*/ 43;
+export const $COMMA = /*@ts2dart_const*/ 44;
+export const $MINUS = /*@ts2dart_const*/ 45;
+export const $PERIOD = /*@ts2dart_const*/ 46;
+export const $SLASH = /*@ts2dart_const*/ 47;
+export const $COLON = /*@ts2dart_const*/ 58;
+export const $SEMICOLON = /*@ts2dart_const*/ 59;
+export const $LT = /*@ts2dart_const*/ 60;
+export const $EQ = /*@ts2dart_const*/ 61;
+export const $GT = /*@ts2dart_const*/ 62;
+export const $QUESTION = /*@ts2dart_const*/ 63;
 
-const $0 = /*@ts2dart_const*/(48);
-const $9 = /*@ts2dart_const*/(57);
+const $0 = /*@ts2dart_const*/ 48;
+const $9 = /*@ts2dart_const*/ 57;
 
-const $A = /*@ts2dart_const*/(65), $E = /*@ts2dart_const*/(69), $Z = /*@ts2dart_const*/(90);
+const $A = /*@ts2dart_const*/ 65, $E = /*@ts2dart_const*/ 69, $Z = /*@ts2dart_const*/ 90;
 
-export const $LBRACKET = /*@ts2dart_const*/(91);
-export const $BACKSLASH = /*@ts2dart_const*/(92);
-export const $RBRACKET = /*@ts2dart_const*/(93);
-const $CARET = /*@ts2dart_const*/(94);
-const $_ = /*@ts2dart_const*/(95);
-export const $BT = /*@ts2dart_const*/(96);
-const $a = /*@ts2dart_const*/(97), $e = /*@ts2dart_const*/(101), $f = /*@ts2dart_const*/(102);
-const $n = /*@ts2dart_const*/(110), $r = /*@ts2dart_const*/(114), $t = /*@ts2dart_const*/(116)
-const $u = /*@ts2dart_const*/(117), $v = /*@ts2dart_const*/(118), $z = /*@ts2dart_const*/(122);
+export const $LBRACKET = /*@ts2dart_const*/ 91;
+export const $BACKSLASH = /*@ts2dart_const*/ 92;
+export const $RBRACKET = /*@ts2dart_const*/ 93;
+const $CARET = /*@ts2dart_const*/ 94;
+const $_ = /*@ts2dart_const*/ 95;
+export const $BT = /*@ts2dart_const*/ 96;
+const $a = /*@ts2dart_const*/ 97, $e = /*@ts2dart_const*/ 101, $f = /*@ts2dart_const*/ 102;
+const $n = /*@ts2dart_const*/ 110, $r = /*@ts2dart_const*/ 114, $t = /*@ts2dart_const*/ 116,
+      $u = /*@ts2dart_const*/ 117, $v = /*@ts2dart_const*/ 118, $z = /*@ts2dart_const*/ 122;
 
-export const $LBRACE = /*@ts2dart_const*/(123);
-export const $BAR = /*@ts2dart_const*/(124);
-export const $RBRACE = /*@ts2dart_const*/(125);
-const $NBSP = /*@ts2dart_const*/(160);
+export const $LBRACE = /*@ts2dart_const*/ 123;
+export const $BAR = /*@ts2dart_const*/ 124;
+export const $RBRACE = /*@ts2dart_const*/ 125;
+const $NBSP = /*@ts2dart_const*/ 160;
 
 export class ScannerError extends BaseException {
   constructor(public message) { super(); }
diff --git a/modules/angular2/src/compiler/html_lexer.ts b/modules/angular2/src/compiler/html_lexer.ts
index bedab75ca8..2b479604b6 100644
--- a/modules/angular2/src/compiler/html_lexer.ts
+++ b/modules/angular2/src/compiler/html_lexer.ts
@@ -3,7 +3,6 @@ import {
   NumberWrapper,
   isPresent,
   isBlank,
-  CONST_EXPR,
   serializeEnum
 } from 'angular2/src/facade/lang';
 import {ListWrapper} from 'angular2/src/facade/collection';
diff --git a/modules/angular2/src/compiler/html_parser.ts b/modules/angular2/src/compiler/html_parser.ts
index 14437d0d9a..ff66bd9948 100644
--- a/modules/angular2/src/compiler/html_parser.ts
+++ b/modules/angular2/src/compiler/html_parser.ts
@@ -6,7 +6,6 @@ import {
   assertionsEnabled,
   StringJoiner,
   serializeEnum,
-  CONST_EXPR
 } from 'angular2/src/facade/lang';
 
 import {ListWrapper} from 'angular2/src/facade/collection';
@@ -367,4 +366,4 @@ function getElementFullName(prefix: string, localName: string,
 
 function lastOnStack(stack: any[], element: any): boolean {
   return stack.length > 0 && stack[stack.length - 1] === element;
-}
\ No newline at end of file
+}
diff --git a/modules/angular2/src/compiler/html_tags.ts b/modules/angular2/src/compiler/html_tags.ts
index 14924f93a4..cda397756f 100644
--- a/modules/angular2/src/compiler/html_tags.ts
+++ b/modules/angular2/src/compiler/html_tags.ts
@@ -3,14 +3,13 @@ import {
   isBlank,
   normalizeBool,
   RegExpWrapper,
-  CONST_EXPR
 } from 'angular2/src/facade/lang';
 
 // see http://www.w3.org/TR/html51/syntax.html#named-character-references
 // see https://html.spec.whatwg.org/multipage/entities.json
 // This list is not exhaustive to keep the compiler footprint low.
 // The `&#123;` / `&#x1ab;` syntax should be used when the named character reference does not exist.
-export const NAMED_ENTITIES = CONST_EXPR({
+export const NAMED_ENTITIES = /*@ts2dart_const*/ {
   'Aacute': '\u00C1',
   'aacute': '\u00E1',
   'Acirc': '\u00C2',
@@ -263,7 +262,7 @@ export const NAMED_ENTITIES = CONST_EXPR({
   'zeta': '\u03B6',
   'zwj': '\u200D',
   'zwnj': '\u200C',
-});
+};
 
 export enum HtmlTagContentType {
   RAW_TEXT,
diff --git a/modules/angular2/src/compiler/legacy_template.ts b/modules/angular2/src/compiler/legacy_template.ts
index 3a58f7c7a1..d51041b709 100644
--- a/modules/angular2/src/compiler/legacy_template.ts
+++ b/modules/angular2/src/compiler/legacy_template.ts
@@ -1,12 +1,6 @@
 import {Injectable, Provider, provide} from 'angular2/src/core/di';
 
-import {
-  StringWrapper,
-  RegExpWrapper,
-  CONST_EXPR,
-  isBlank,
-  isPresent
-} from 'angular2/src/facade/lang';
+import {StringWrapper, RegExpWrapper, isBlank, isPresent} from 'angular2/src/facade/lang';
 
 import {
   HtmlAstVisitor,
@@ -29,11 +23,11 @@ var TEMPLATE_SELECTOR_REGEXP = /^(\S+)/g;
 var SPECIAL_PREFIXES_REGEXP = /^(class|style|attr)\./ig;
 var INTERPOLATION_REGEXP = /\{\{.*?\}\}/g;
 
-const SPECIAL_CASES = CONST_EXPR([
+const SPECIAL_CASES = /*@ts2dart_const*/[
   'ng-non-bindable',
   'ng-default-control',
   'ng-no-form',
-]);
+];
 
 /**
  * Convert templates to the case sensitive syntax
diff --git a/modules/angular2/src/compiler/output/output_ast.ts b/modules/angular2/src/compiler/output/output_ast.ts
index 3d41540f42..f2d285b6cf 100644
--- a/modules/angular2/src/compiler/output/output_ast.ts
+++ b/modules/angular2/src/compiler/output/output_ast.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, isString, isPresent, isBlank} from 'angular2/src/facade/lang';
+import {isString, isPresent, isBlank} from 'angular2/src/facade/lang';
 import {CompileIdentifierMetadata} from '../compile_metadata';
 
 //// Types
@@ -545,7 +545,7 @@ export class ClassStmt extends Statement {
 
 export class IfStmt extends Statement {
   constructor(public condition: Expression, public trueCase: Statement[],
-              public falseCase: Statement[] = CONST_EXPR([])) {
+              public falseCase: Statement[] = /*@ts2dart_const*/[]) {
     super();
   }
   visitStatement(visitor: StatementVisitor, context: any): any {
diff --git a/modules/angular2/src/compiler/schema/dom_element_schema_registry.ts b/modules/angular2/src/compiler/schema/dom_element_schema_registry.ts
index 84a9230fe3..f7e17a877f 100644
--- a/modules/angular2/src/compiler/schema/dom_element_schema_registry.ts
+++ b/modules/angular2/src/compiler/schema/dom_element_schema_registry.ts
@@ -1,5 +1,5 @@
 import {Injectable} from 'angular2/src/core/di';
-import {isPresent, isBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent, isBlank} from 'angular2/src/facade/lang';
 import {StringMapWrapper} from 'angular2/src/facade/collection';
 import {DOM} from 'angular2/src/platform/dom/dom_adapter';
 import {splitNsName} from 'angular2/src/compiler/html_tags';
@@ -7,7 +7,8 @@ import {splitNsName} from 'angular2/src/compiler/html_tags';
 import {ElementSchemaRegistry} from './element_schema_registry';
 
 const NAMESPACE_URIS =
-    CONST_EXPR({'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg'});
+    /*@ts2dart_const*/
+    {'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg'};
 
 @Injectable()
 export class DomElementSchemaRegistry extends ElementSchemaRegistry {
diff --git a/modules/angular2/src/compiler/style_compiler.ts b/modules/angular2/src/compiler/style_compiler.ts
index 155fe9bdd4..69b37a0f7e 100644
--- a/modules/angular2/src/compiler/style_compiler.ts
+++ b/modules/angular2/src/compiler/style_compiler.ts
@@ -12,8 +12,8 @@ import {Injectable} from 'angular2/src/core/di';
 import {isPresent} from 'angular2/src/facade/lang';
 
 const COMPONENT_VARIABLE = '%COMP%';
-const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;
-const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;
+const HOST_ATTR = /*@ts2dart_const*/ `_nghost-${COMPONENT_VARIABLE}`;
+const CONTENT_ATTR = /*@ts2dart_const*/ `_ngcontent-${COMPONENT_VARIABLE}`;
 
 export class StylesCompileDependency {
   constructor(public sourceUrl: string, public isShimmed: boolean,
diff --git a/modules/angular2/src/compiler/template_parser.ts b/modules/angular2/src/compiler/template_parser.ts
index 69c9035c23..9680f1d94b 100644
--- a/modules/angular2/src/compiler/template_parser.ts
+++ b/modules/angular2/src/compiler/template_parser.ts
@@ -114,7 +114,7 @@ var TEXT_CSS_SELECTOR = CssSelector.parse('*')[0];
  *
  * This is currently an internal-only feature and not meant for general use.
  */
-export const TEMPLATE_TRANSFORMS = CONST_EXPR(new OpaqueToken('TemplateTransforms'));
+export const TEMPLATE_TRANSFORMS = /*@ts2dart_const*/ new OpaqueToken('TemplateTransforms');
 
 export class TemplateParseError extends ParseError {
   constructor(message: string, span: ParseSourceSpan, level: ParseErrorLevel) {
diff --git a/modules/angular2/src/compiler/view_compiler/expression_converter.ts b/modules/angular2/src/compiler/view_compiler/expression_converter.ts
index 2f915b485d..dd846f6096 100644
--- a/modules/angular2/src/compiler/view_compiler/expression_converter.ts
+++ b/modules/angular2/src/compiler/view_compiler/expression_converter.ts
@@ -3,7 +3,7 @@ import * as o from '../output/output_ast';
 import {Identifiers} from '../identifiers';
 
 import {BaseException} from 'angular2/src/facade/exceptions';
-import {isBlank, isPresent, isArray, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank, isPresent, isArray} from 'angular2/src/facade/lang';
 
 var IMPLICIT_RECEIVER = o.variable('#implicit');
 
@@ -249,4 +249,4 @@ function flattenStatements(arg: any, output: o.Statement[]) {
   } else {
     output.push(arg);
   }
-}
\ No newline at end of file
+}
diff --git a/modules/angular2/src/compiler/view_compiler/property_binder.ts b/modules/angular2/src/compiler/view_compiler/property_binder.ts
index 223460d4e7..ac4971a239 100644
--- a/modules/angular2/src/compiler/view_compiler/property_binder.ts
+++ b/modules/angular2/src/compiler/view_compiler/property_binder.ts
@@ -11,7 +11,7 @@ import {
   TemplateAst
 } from '../template_ast';
 
-import {isBlank, isPresent, isArray, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank, isPresent, isArray} from 'angular2/src/facade/lang';
 
 import {CompileView} from './compile_view';
 import {CompileElement, CompileNode} from './compile_element';
diff --git a/modules/angular2/src/core/application_common_providers.ts b/modules/angular2/src/core/application_common_providers.ts
index 9838c9e33a..7fece17eb5 100644
--- a/modules/angular2/src/core/application_common_providers.ts
+++ b/modules/angular2/src/core/application_common_providers.ts
@@ -1,4 +1,4 @@
-import {Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 import {provide, Provider, Injector, OpaqueToken} from 'angular2/src/core/di';
 import {APP_ID_RANDOM_PROVIDER} from './application_tokens';
 import {APPLICATION_CORE_PROVIDERS} from './application_ref';
@@ -18,12 +18,12 @@ var __unused: Type;  // avoid unused import when Type union types are erased
  * A default set of providers which should be included in any Angular
  * application, regardless of the platform it runs onto.
  */
-export const APPLICATION_COMMON_PROVIDERS: Array<Type | Provider | any[]> = CONST_EXPR([
+export const APPLICATION_COMMON_PROVIDERS: Array<Type | Provider | any[]> = /*@ts2dart_const*/ [
   APPLICATION_CORE_PROVIDERS,
-  new Provider(ComponentResolver, {useClass: ReflectorComponentResolver}),
+  new Provider(ComponentResolver, {useClass: ReflectorComponentResolver},
   APP_ID_RANDOM_PROVIDER,
   ViewUtils,
   new Provider(IterableDiffers, {useValue: defaultIterableDiffers}),
   new Provider(KeyValueDiffers, {useValue: defaultKeyValueDiffers}),
   new Provider(DynamicComponentLoader, {useClass: DynamicComponentLoader_})
-]);
\ No newline at end of file
+]);
diff --git a/modules/angular2/src/core/application_ref.ts b/modules/angular2/src/core/application_ref.ts
index a4f57217e1..a30dd8b594 100644
--- a/modules/angular2/src/core/application_ref.ts
+++ b/modules/angular2/src/core/application_ref.ts
@@ -6,7 +6,6 @@ import {
   assertionsEnabled,
   print,
   IS_DART,
-  CONST_EXPR,
   lockMode,
   isPromise
 } from 'angular2/src/facade/lang';
@@ -436,13 +435,13 @@ export class ApplicationRef_ extends ApplicationRef {
  * @internal
  */
 export const PLATFORM_CORE_PROVIDERS =
-    CONST_EXPR([PlatformRef_, CONST_EXPR(new Provider(PlatformRef, {useExisting: PlatformRef_}))]);
+    /*@ts2dart_const*/[PlatformRef_, new Provider(PlatformRef, {useExisting: PlatformRef_})];
 
 /**
  * @internal
  */
-export const APPLICATION_CORE_PROVIDERS = CONST_EXPR([
-  CONST_EXPR(new Provider(NgZone, {useFactory: createNgZone, deps: CONST_EXPR([])})),
+export const APPLICATION_CORE_PROVIDERS = /*@ts2dart_const*/[
+  new Provider(NgZone, {useFactory: createNgZone, deps: []}),
   ApplicationRef_,
-  CONST_EXPR(new Provider(ApplicationRef, {useExisting: ApplicationRef_}))
-]);
+  new Provider(ApplicationRef, {useExisting: ApplicationRef_})
+];
diff --git a/modules/angular2/src/core/application_tokens.ts b/modules/angular2/src/core/application_tokens.ts
index d9deff8e0f..eb08c9e8eb 100644
--- a/modules/angular2/src/core/application_tokens.ts
+++ b/modules/angular2/src/core/application_tokens.ts
@@ -1,5 +1,5 @@
 import {OpaqueToken, Provider} from 'angular2/src/core/di';
-import {CONST_EXPR, Math, StringWrapper} from 'angular2/src/facade/lang';
+import {Math, StringWrapper} from 'angular2/src/facade/lang';
 
 /**
  * A DI Token representing a unique string id assigned to the application by Angular and used
@@ -10,7 +10,7 @@ import {CONST_EXPR, Math, StringWrapper} from 'angular2/src/facade/lang';
  * a custom value via a DI provider <!-- TODO: provider --> configuring the root {@link Injector}
  * using this token.
  */
-export const APP_ID: OpaqueToken = CONST_EXPR(new OpaqueToken('AppId'));
+export const APP_ID: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken('AppId');
 
 function _appIdRandomProviderFactory() {
   return `${_randomChar()}${_randomChar()}${_randomChar()}`;
@@ -20,7 +20,7 @@ function _appIdRandomProviderFactory() {
  * Providers that will generate a random APP_ID_TOKEN.
  */
 export const APP_ID_RANDOM_PROVIDER: Provider =
-    CONST_EXPR(new Provider(APP_ID, {useFactory: _appIdRandomProviderFactory, deps: []}));
+    /*@ts2dart_const*/ new Provider(APP_ID, {useFactory: _appIdRandomProviderFactory, deps: []});
 
 function _randomChar(): string {
   return StringWrapper.fromCharCode(97 + Math.floor(Math.random() * 25));
@@ -30,15 +30,16 @@ function _randomChar(): string {
  * A function that will be executed when a platform is initialized.
  */
 export const PLATFORM_INITIALIZER: OpaqueToken =
-    CONST_EXPR(new OpaqueToken("Platform Initializer"));
+    /*@ts2dart_const*/ new OpaqueToken("Platform Initializer");
 
 /**
  * A function that will be executed when an application is initialized.
  */
-export const APP_INITIALIZER: OpaqueToken = CONST_EXPR(new OpaqueToken("Application Initializer"));
+export const APP_INITIALIZER: OpaqueToken =
+    /*@ts2dart_const*/ new OpaqueToken("Application Initializer");
 
 /**
  * A token which indicates the root directory of the application
  */
 export const PACKAGE_ROOT_URL: OpaqueToken =
-    CONST_EXPR(new OpaqueToken("Application Packages Root URL"));
+    /*@ts2dart_const*/ new OpaqueToken("Application Packages Root URL");
diff --git a/modules/angular2/src/core/change_detection/change_detection.ts b/modules/angular2/src/core/change_detection/change_detection.ts
index 06a93187be..9a6ea5f25a 100644
--- a/modules/angular2/src/core/change_detection/change_detection.ts
+++ b/modules/angular2/src/core/change_detection/change_detection.ts
@@ -5,7 +5,6 @@ import {
   DefaultKeyValueDifferFactory,
   KeyValueChangeRecord
 } from './differs/default_keyvalue_differ';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 export {
   DefaultKeyValueDifferFactory,
@@ -46,14 +45,14 @@ export {
  * Structural diffing for `Object`s and `Map`s.
  */
 export const keyValDiff: KeyValueDifferFactory[] =
-    CONST_EXPR([CONST_EXPR(new DefaultKeyValueDifferFactory())]);
+    /*@ts2dart_const*/[new DefaultKeyValueDifferFactory()];
 
 /**
  * Structural diffing for `Iterable` types such as `Array`s.
  */
 export const iterableDiff: IterableDifferFactory[] =
-    CONST_EXPR([CONST_EXPR(new DefaultIterableDifferFactory())]);
+    /*@ts2dart_const*/[new DefaultIterableDifferFactory()];
 
-export const defaultIterableDiffers = CONST_EXPR(new IterableDiffers(iterableDiff));
+export const defaultIterableDiffers = /*@ts2dart_const*/ new IterableDiffers(iterableDiff);
 
-export const defaultKeyValueDiffers = CONST_EXPR(new KeyValueDiffers(keyValDiff));
+export const defaultKeyValueDiffers = /*@ts2dart_const*/ new KeyValueDiffers(keyValDiff);
diff --git a/modules/angular2/src/core/change_detection/change_detection_util.ts b/modules/angular2/src/core/change_detection/change_detection_util.ts
index d2b41211ee..af18261b11 100644
--- a/modules/angular2/src/core/change_detection/change_detection_util.ts
+++ b/modules/angular2/src/core/change_detection/change_detection_util.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, isBlank, looseIdentical, isPrimitive} from 'angular2/src/facade/lang';
+import {isBlank, looseIdentical, isPrimitive} from 'angular2/src/facade/lang';
 import {
   StringMapWrapper,
   isListLikeIterable,
@@ -6,7 +6,7 @@ import {
 } from 'angular2/src/facade/collection';
 
 export {looseIdentical} from 'angular2/src/facade/lang';
-export var uninitialized: Object = CONST_EXPR<Object>(new Object());
+export var uninitialized: Object = /*@ts2dart_const*/<Object>(new Object());
 
 export function devModeEqual(a: any, b: any): boolean {
   if (isListLikeIterable(a) && isListLikeIterable(b)) {
diff --git a/modules/angular2/src/core/di/injector.ts b/modules/angular2/src/core/di/injector.ts
index f044512de2..e2cbe973da 100644
--- a/modules/angular2/src/core/di/injector.ts
+++ b/modules/angular2/src/core/di/injector.ts
@@ -1,7 +1,6 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {unimplemented} from 'angular2/src/facade/exceptions';
 
-const _THROW_IF_NOT_FOUND = CONST_EXPR(new Object());
+const _THROW_IF_NOT_FOUND = /*@ts2dart_const*/ new Object();
 export const THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;
 
 export abstract class Injector {
diff --git a/modules/angular2/src/core/di/metadata.ts b/modules/angular2/src/core/di/metadata.ts
index 693e16d78e..7e322f9073 100644
--- a/modules/angular2/src/core/di/metadata.ts
+++ b/modules/angular2/src/core/di/metadata.ts
@@ -1,4 +1,4 @@
-import {CONST, CONST_EXPR, stringify, isBlank, isPresent} from "angular2/src/facade/lang";
+import {CONST, stringify, isBlank, isPresent} from "angular2/src/facade/lang";
 
 /**
  * A parameter metadata that specifies a dependency.
diff --git a/modules/angular2/src/core/di/reflective_injector.ts b/modules/angular2/src/core/di/reflective_injector.ts
index 652b0b44f7..9fd4129fda 100644
--- a/modules/angular2/src/core/di/reflective_injector.ts
+++ b/modules/angular2/src/core/di/reflective_injector.ts
@@ -14,7 +14,7 @@ import {
   InvalidProviderError,
   OutOfBoundsError
 } from './reflective_exceptions';
-import {Type, CONST_EXPR, isPresent} from 'angular2/src/facade/lang';
+import {Type, isPresent} from 'angular2/src/facade/lang';
 import {BaseException, unimplemented} from 'angular2/src/facade/exceptions';
 import {ReflectiveKey} from './reflective_key';
 import {SelfMetadata, HostMetadata, SkipSelfMetadata} from './metadata';
@@ -24,7 +24,7 @@ var __unused: Type;  // avoid unused import when Type union types are erased
 
 // Threshold for the dynamic version
 const _MAX_CONSTRUCTION_COUNTER = 10;
-const UNDEFINED = CONST_EXPR(new Object());
+const UNDEFINED = /*@ts2dart_const*/ new Object();
 
 export interface ReflectiveProtoInjectorStrategy {
   getProviderAtIndex(index: number): ResolvedReflectiveProvider;
diff --git a/modules/angular2/src/core/di/reflective_provider.ts b/modules/angular2/src/core/di/reflective_provider.ts
index abbc7044fd..adace53bea 100644
--- a/modules/angular2/src/core/di/reflective_provider.ts
+++ b/modules/angular2/src/core/di/reflective_provider.ts
@@ -1,12 +1,4 @@
-import {
-  Type,
-  isBlank,
-  isPresent,
-  CONST,
-  CONST_EXPR,
-  isArray,
-  isType
-} from 'angular2/src/facade/lang';
+import {Type, isBlank, isPresent, CONST, isArray, isType} from 'angular2/src/facade/lang';
 import {MapWrapper, ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
 import {reflector} from 'angular2/src/core/reflection/reflection';
 import {ReflectiveKey} from './reflective_key';
@@ -41,7 +33,7 @@ export class ReflectiveDependency {
   }
 }
 
-const _EMPTY_LIST = CONST_EXPR([]);
+const _EMPTY_LIST = /*@ts2dart_const*/[];
 
 /**
  * An internal resolved representation of a {@link Provider} used by the {@link Injector}.
diff --git a/modules/angular2/src/core/linker/element_injector.ts b/modules/angular2/src/core/linker/element_injector.ts
index eefd739d02..794f588d0c 100644
--- a/modules/angular2/src/core/linker/element_injector.ts
+++ b/modules/angular2/src/core/linker/element_injector.ts
@@ -1,8 +1,8 @@
-import {isBlank, stringify, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank, stringify} from 'angular2/src/facade/lang';
 import {Injector, THROW_IF_NOT_FOUND} from 'angular2/src/core/di/injector';
 import {AppView} from './view';
 
-const _UNDEFINED = CONST_EXPR(new Object());
+const _UNDEFINED = /*@ts2dart_const*/ new Object();
 
 export class ElementInjector extends Injector {
   constructor(private _view: AppView<any>, private _nodeIndex: number) { super(); }
diff --git a/modules/angular2/src/core/linker/view.ts b/modules/angular2/src/core/linker/view.ts
index e82e8fd5e0..ef8d19ee6b 100644
--- a/modules/angular2/src/core/linker/view.ts
+++ b/modules/angular2/src/core/linker/view.ts
@@ -17,7 +17,6 @@ import {
   isArray,
   isNumber,
   CONST,
-  CONST_EXPR,
   stringify,
   isPrimitive,
   isString
diff --git a/modules/angular2/src/core/linker/view_utils.ts b/modules/angular2/src/core/linker/view_utils.ts
index 7ea8b10e35..c0d87039fe 100644
--- a/modules/angular2/src/core/linker/view_utils.ts
+++ b/modules/angular2/src/core/linker/view_utils.ts
@@ -1,11 +1,4 @@
-import {
-  isBlank,
-  isPresent,
-  Type,
-  stringify,
-  CONST_EXPR,
-  looseIdentical
-} from 'angular2/src/facade/lang';
+import {isBlank, isPresent, Type, stringify, looseIdentical} from 'angular2/src/facade/lang';
 import {ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
 import {BaseException} from 'angular2/src/facade/exceptions';
 import {AppElement} from './element';
@@ -60,7 +53,7 @@ function _flattenNestedViewRenderNodes(nodes: any[], renderNodes: any[]): any[]
   return renderNodes;
 }
 
-const EMPTY_ARR = CONST_EXPR([]);
+const EMPTY_ARR = /*@ts2dart_const*/[];
 
 export function ensureSlotCount(projectableNodes: any[][], expectedSlotCount: number): any[][] {
   var res;
diff --git a/modules/angular2/src/core/metadata/directives.ts b/modules/angular2/src/core/metadata/directives.ts
index 2670fd8ccc..687cc8f8c6 100644
--- a/modules/angular2/src/core/metadata/directives.ts
+++ b/modules/angular2/src/core/metadata/directives.ts
@@ -1,4 +1,4 @@
-import {isPresent, CONST, CONST_EXPR, Type} from 'angular2/src/facade/lang';
+import {isPresent, CONST, Type} from 'angular2/src/facade/lang';
 import {InjectableMetadata} from 'angular2/src/core/di/metadata';
 import {ChangeDetectionStrategy} from 'angular2/src/core/change_detection';
 import {ViewEncapsulation} from 'angular2/src/core/metadata/view';
diff --git a/modules/angular2/src/core/platform_common_providers.ts b/modules/angular2/src/core/platform_common_providers.ts
index a694b14cd0..382d7ac303 100644
--- a/modules/angular2/src/core/platform_common_providers.ts
+++ b/modules/angular2/src/core/platform_common_providers.ts
@@ -1,4 +1,4 @@
-import {Type, isBlank, isPresent, assertionsEnabled, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type, isBlank, isPresent, assertionsEnabled} from 'angular2/src/facade/lang';
 import {provide, Provider, Injector, OpaqueToken} from 'angular2/src/core/di';
 import {Console} from 'angular2/src/core/console';
 import {Reflector, reflector} from './reflection/reflection';
@@ -13,10 +13,10 @@ function _reflector(): Reflector {
 /**
  * A default set of providers which should be included in any Angular platform.
  */
-export const PLATFORM_COMMON_PROVIDERS: Array<Type | Provider | any[]> = CONST_EXPR([
+export const PLATFORM_COMMON_PROVIDERS: Array<Type | Provider | any[]> = /*@ts2dart_const*/ [
   PLATFORM_CORE_PROVIDERS,
-  new Provider(Reflector, {useFactory: _reflector, deps: []}),
+  new Provider(Reflector, {useFactory: _reflector, deps: []},
   new Provider(ReflectorReader, {useExisting: Reflector}),
   TestabilityRegistry,
   Console
-]);
\ No newline at end of file
+]);
diff --git a/modules/angular2/src/core/platform_directives_and_pipes.ts b/modules/angular2/src/core/platform_directives_and_pipes.ts
index 58c6a9cb3b..0ecdde7a2d 100644
--- a/modules/angular2/src/core/platform_directives_and_pipes.ts
+++ b/modules/angular2/src/core/platform_directives_and_pipes.ts
@@ -1,5 +1,4 @@
 import {OpaqueToken} from "angular2/src/core/di";
-import {CONST_EXPR} from "angular2/src/facade/lang";
 
 /**
  * A token that can be provided when bootstraping an application to make an array of directives
@@ -25,7 +24,8 @@ import {CONST_EXPR} from "angular2/src/facade/lang";
  * bootstrap(MyComponent, [provide(PLATFORM_DIRECTIVES, {useValue: [OtherDirective], multi:true})]);
  * ```
  */
-export const PLATFORM_DIRECTIVES: OpaqueToken = CONST_EXPR(new OpaqueToken("Platform Directives"));
+export const PLATFORM_DIRECTIVES: OpaqueToken =
+    /*@ts2dart_const*/ new OpaqueToken("Platform Directives");
 
 /**
  * A token that can be provided when bootstraping an application to make an array of pipes
@@ -50,4 +50,4 @@ export const PLATFORM_DIRECTIVES: OpaqueToken = CONST_EXPR(new OpaqueToken("Plat
  * bootstrap(MyComponent, [provide(PLATFORM_PIPES, {useValue: [OtherPipe], multi:true})]);
  * ```
  */
-export const PLATFORM_PIPES: OpaqueToken = CONST_EXPR(new OpaqueToken("Platform Pipes"));
+export const PLATFORM_PIPES: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken("Platform Pipes");
diff --git a/modules/angular2/src/core/testability/testability.ts b/modules/angular2/src/core/testability/testability.ts
index 9a0082030a..3b08601490 100644
--- a/modules/angular2/src/core/testability/testability.ts
+++ b/modules/angular2/src/core/testability/testability.ts
@@ -1,6 +1,6 @@
 import {Injectable} from 'angular2/src/core/di';
 import {Map, MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-import {CONST, CONST_EXPR, scheduleMicroTask} from 'angular2/src/facade/lang';
+import {CONST, scheduleMicroTask} from 'angular2/src/facade/lang';
 import {BaseException} from 'angular2/src/facade/exceptions';
 import {NgZone} from '../zone/ng_zone';
 import {ObservableWrapper} from 'angular2/src/facade/async';
@@ -150,4 +150,4 @@ export function setTestabilityGetter(getter: GetTestability): void {
   _testabilityGetter = getter;
 }
 
-var _testabilityGetter: GetTestability = CONST_EXPR(new _NoopGetTestability());
+var _testabilityGetter: GetTestability = /*@ts2dart_const*/ new _NoopGetTestability();
diff --git a/modules/angular2/src/facade/lang.ts b/modules/angular2/src/facade/lang.ts
index 02632bde11..69481c5460 100644
--- a/modules/angular2/src/facade/lang.ts
+++ b/modules/angular2/src/facade/lang.ts
@@ -106,12 +106,6 @@ _global.assert = function assert(condition) {
   // TODO: to be fixed properly via #2830, noop for now
 };
 
-// This function is needed only to properly support Dart's const expressions
-// see https://github.com/angular/ts2dart/pull/151 for more info
-export function CONST_EXPR<T>(expr: T): T {
-  return expr;
-}
-
 export function CONST(): ClassDecorator & PropertyDecorator {
   return (target) => target;
 }
diff --git a/modules/angular2/src/http/static_request.ts b/modules/angular2/src/http/static_request.ts
index 093fa97b2f..0da218dde5 100644
--- a/modules/angular2/src/http/static_request.ts
+++ b/modules/angular2/src/http/static_request.ts
@@ -2,13 +2,7 @@ import {RequestMethod} from './enums';
 import {RequestArgs} from './interfaces';
 import {Headers} from './headers';
 import {normalizeMethodName} from './http_utils';
-import {
-  RegExpWrapper,
-  CONST_EXPR,
-  isPresent,
-  isJsObject,
-  StringWrapper
-} from 'angular2/src/facade/lang';
+import {RegExpWrapper, isPresent, isJsObject, StringWrapper} from 'angular2/src/facade/lang';
 
 // TODO(jeffbcross): properly implement body accessors
 /**
diff --git a/modules/angular2/src/http/static_response.ts b/modules/angular2/src/http/static_response.ts
index edd80ee851..6c12675aa6 100644
--- a/modules/angular2/src/http/static_response.ts
+++ b/modules/angular2/src/http/static_response.ts
@@ -1,5 +1,5 @@
 import {ResponseType} from './enums';
-import {CONST_EXPR, isString, isPresent, Json} from 'angular2/src/facade/lang';
+import {isString, isPresent, Json} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {Headers} from './headers';
 import {ResponseOptions} from './base_response_options';
diff --git a/modules/angular2/src/http/url_search_params.ts b/modules/angular2/src/http/url_search_params.ts
index 3b17cfda83..04605c1ca1 100644
--- a/modules/angular2/src/http/url_search_params.ts
+++ b/modules/angular2/src/http/url_search_params.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, isPresent, isBlank} from 'angular2/src/facade/lang';
+import {isPresent, isBlank} from 'angular2/src/facade/lang';
 import {Map, MapWrapper, ListWrapper, isListLikeIterable} from 'angular2/src/facade/collection';
 
 function paramParser(rawParams: string = ''): Map<string, string[]> {
diff --git a/modules/angular2/src/platform/browser/location/location_strategy.ts b/modules/angular2/src/platform/browser/location/location_strategy.ts
index c7e93db163..0079000ac6 100644
--- a/modules/angular2/src/platform/browser/location/location_strategy.ts
+++ b/modules/angular2/src/platform/browser/location/location_strategy.ts
@@ -1,4 +1,3 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {OpaqueToken} from 'angular2/core';
 import {UrlChangeListener} from './platform_location';
 
@@ -59,4 +58,4 @@ export abstract class LocationStrategy {
  * ]);
  * ```
  */
-export const APP_BASE_HREF: OpaqueToken = CONST_EXPR(new OpaqueToken('appBaseHref'));
+export const APP_BASE_HREF: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken('appBaseHref');
diff --git a/modules/angular2/src/platform/browser/testability.ts b/modules/angular2/src/platform/browser/testability.ts
index 7b45856a20..6499935dcf 100644
--- a/modules/angular2/src/platform/browser/testability.ts
+++ b/modules/angular2/src/platform/browser/testability.ts
@@ -1,5 +1,5 @@
 import {Map, MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-import {CONST, CONST_EXPR, global, isPresent} from 'angular2/src/facade/lang';
+import {CONST, global, isPresent} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {PromiseWrapper, ObservableWrapper} from 'angular2/src/facade/async';
 
diff --git a/modules/angular2/src/platform/browser_common.ts b/modules/angular2/src/platform/browser_common.ts
index af5adf4ab8..0b9e98704c 100644
--- a/modules/angular2/src/platform/browser_common.ts
+++ b/modules/angular2/src/platform/browser_common.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, IS_DART} from 'angular2/src/facade/lang';
+import {IS_DART} from 'angular2/src/facade/lang';
 import {provide, Provider, Injector, OpaqueToken} from 'angular2/src/core/di';
 import {XHR} from 'angular2/src/compiler/xhr';
 import {
@@ -46,15 +46,16 @@ export {BrowserDomAdapter} from './browser/browser_adapter';
 export {enableDebugTools, disableDebugTools} from 'angular2/src/platform/browser/tools/tools';
 export {HAMMER_GESTURE_CONFIG, HammerGestureConfig} from './dom/events/hammer_gestures';
 
-export const BROWSER_PLATFORM_MARKER = CONST_EXPR(new OpaqueToken('BrowserPlatformMarker'));
+export const BROWSER_PLATFORM_MARKER =
+    /*@ts2dart_const*/ new OpaqueToken('BrowserPlatformMarker');
 
 /**
  * A set of providers to initialize the Angular platform in a web browser.
  *
  * Used automatically by `bootstrap`, or can be passed to {@link platform}.
  */
-export const BROWSER_PROVIDERS: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  new Provider(BROWSER_PLATFORM_MARKER, {useValue: true}),
+export const BROWSER_PROVIDERS: Array<any /*Type | Provider | any[]*/> = /*@ts2dart_const*/ [
+  new Provider(BROWSER_PLATFORM_MARKER, {useValue: true},
   PLATFORM_COMMON_PROVIDERS,
   new Provider(PLATFORM_INITIALIZER, {useValue: initDomAdapter, multi: true}),
 ]);
@@ -74,30 +75,31 @@ function _document(): any {
  *
  * Used automatically by `bootstrap`, or can be passed to {@link PlatformRef.application}.
  */
-export const BROWSER_APP_COMMON_PROVIDERS: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  APPLICATION_COMMON_PROVIDERS,
-  FORM_PROVIDERS,
-  new Provider(PLATFORM_PIPES, {useValue: COMMON_PIPES, multi: true}),
-  new Provider(PLATFORM_DIRECTIVES, {useValue: COMMON_DIRECTIVES, multi: true}),
-  new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
-  new Provider(DOCUMENT, {useFactory: _document, deps: []}),
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: DomEventsPlugin, multi: true}),
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: KeyEventsPlugin, multi: true}),
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: HammerGesturesPlugin, multi: true}),
-  new Provider(HAMMER_GESTURE_CONFIG, {useClass: HammerGestureConfig}),
-  new Provider(DomRootRenderer, {useClass: DomRootRenderer_}),
-  new Provider(RootRenderer, {useExisting: DomRootRenderer}),
-  new Provider(SharedStylesHost, {useExisting: DomSharedStylesHost}),
-  DomSharedStylesHost,
-  Testability,
-  BrowserDetails,
-  AnimationBuilder,
-  EventManager,
-  ELEMENT_PROBE_PROVIDERS
-]);
+export const BROWSER_APP_COMMON_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
+    /*@ts2dart_const*/ [
+      APPLICATION_COMMON_PROVIDERS,
+      FORM_PROVIDERS,
+      new Provider(PLATFORM_PIPES, {useValue: COMMON_PIPES, multi: true},
+      new Provider(PLATFORM_DIRECTIVES, {useValue: COMMON_DIRECTIVES, multi: true}),
+      new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
+      new Provider(DOCUMENT, {useFactory: _document, deps: []}),
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: DomEventsPlugin, multi: true}),
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: KeyEventsPlugin, multi: true}),
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: HammerGesturesPlugin, multi: true}),
+      new Provider(HAMMER_GESTURE_CONFIG, {useClass: HammerGestureConfig}),
+      new Provider(DomRootRenderer, {useClass: DomRootRenderer_}),
+      new Provider(RootRenderer, {useExisting: DomRootRenderer}),
+      new Provider(SharedStylesHost, {useExisting: DomSharedStylesHost}),
+      DomSharedStylesHost,
+      Testability,
+      BrowserDetails,
+      AnimationBuilder,
+      EventManager,
+      ELEMENT_PROBE_PROVIDERS
+    ]);
 
 export const CACHED_TEMPLATE_PROVIDER: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([new Provider(XHR, {useClass: CachedXHR})]);
+    /*@ts2dart_const*/ [new Provider(XHR, {useClass: CachedXHR}]);
 
 export function initDomAdapter() {
   BrowserDomAdapter.makeCurrent();
diff --git a/modules/angular2/src/platform/dom/debug/ng_probe.ts b/modules/angular2/src/platform/dom/debug/ng_probe.ts
index 6087a4d06c..f5d7ab4e88 100644
--- a/modules/angular2/src/platform/dom/debug/ng_probe.ts
+++ b/modules/angular2/src/platform/dom/debug/ng_probe.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, assertionsEnabled, isPresent} from 'angular2/src/facade/lang';
+import {assertionsEnabled, isPresent} from 'angular2/src/facade/lang';
 import {Injectable, provide, Provider} from 'angular2/src/core/di';
 import {DOM} from 'angular2/src/platform/dom/dom_adapter';
 import {DebugNode, getDebugNode} from 'angular2/src/core/debug/debug_node';
@@ -6,7 +6,7 @@ import {DomRootRenderer} from 'angular2/src/platform/dom/dom_renderer';
 import {RootRenderer, NgZone, ApplicationRef} from 'angular2/core';
 import {DebugDomRootRenderer} from 'angular2/src/core/debug/debug_renderer';
 
-const CORE_TOKENS = CONST_EXPR({'ApplicationRef': ApplicationRef, 'NgZone': NgZone});
+const CORE_TOKENS = /*@ts2dart_const*/ {'ApplicationRef': ApplicationRef, 'NgZone': NgZone};
 
 const INSPECT_GLOBAL_NAME = 'ng.probe';
 const CORE_TOKENS_GLOBAL_NAME = 'ng.coreTokens';
@@ -36,10 +36,10 @@ function _createRootRenderer(rootRenderer) {
 /**
  * Providers which support debugging Angular applications (e.g. via `ng.probe`).
  */
-export const ELEMENT_PROBE_PROVIDERS: any[] = CONST_EXPR([
+export const ELEMENT_PROBE_PROVIDERS: any[] = /*@ts2dart_const*/ [
   new Provider(RootRenderer,
-               {useFactory: _createConditionalRootRenderer, deps: [DomRootRenderer]})
+               {useFactory: _createConditionalRootRenderer, deps: [DomRootRenderer]}
 ]);
 
-export const ELEMENT_PROBE_PROVIDERS_PROD_MODE: any[] = CONST_EXPR(
-    [new Provider(RootRenderer, {useFactory: _createRootRenderer, deps: [DomRootRenderer]})]);
+export const ELEMENT_PROBE_PROVIDERS_PROD_MODE: any[] = /*@ts2dart_const*/ 
+    [new Provider(RootRenderer, {useFactory: _createRootRenderer, deps: [DomRootRenderer]}]);
diff --git a/modules/angular2/src/platform/dom/dom_renderer.ts b/modules/angular2/src/platform/dom/dom_renderer.ts
index 4424fc1659..1341ee3ddb 100644
--- a/modules/angular2/src/platform/dom/dom_renderer.ts
+++ b/modules/angular2/src/platform/dom/dom_renderer.ts
@@ -5,7 +5,6 @@ import {
   isBlank,
   Json,
   RegExpWrapper,
-  CONST_EXPR,
   stringify,
   StringWrapper,
   isArray,
@@ -30,7 +29,8 @@ import {DOM} from 'angular2/src/platform/dom/dom_adapter';
 import {camelCaseToDashCase} from './util';
 
 const NAMESPACE_URIS =
-    CONST_EXPR({'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg'});
+    /*@ts2dart_const*/
+    {'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg'};
 const TEMPLATE_COMMENT_TEXT = 'template bindings={}';
 var TEMPLATE_BINDINGS_EXP = /^template bindings=(.*)$/g;
 
@@ -304,8 +304,8 @@ function decoratePreventDefault(eventHandler: Function): Function {
 
 var COMPONENT_REGEX = /%COMP%/g;
 export const COMPONENT_VARIABLE = '%COMP%';
-export const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;
-export const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;
+export const HOST_ATTR = /*@ts2dart_const*/ `_nghost-${COMPONENT_VARIABLE}`;
+export const CONTENT_ATTR = /*@ts2dart_const*/ `_ngcontent-${COMPONENT_VARIABLE}`;
 
 function _shimContentAttribute(componentShortId: string): string {
   return StringWrapper.replaceAll(CONTENT_ATTR, COMPONENT_REGEX, componentShortId);
diff --git a/modules/angular2/src/platform/dom/dom_tokens.ts b/modules/angular2/src/platform/dom/dom_tokens.ts
index 21a08c0815..7df51fc75c 100644
--- a/modules/angular2/src/platform/dom/dom_tokens.ts
+++ b/modules/angular2/src/platform/dom/dom_tokens.ts
@@ -1,5 +1,4 @@
 import {OpaqueToken} from 'angular2/src/core/di';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * A DI Token representing the main rendering context. In a browser this is the DOM Document.
@@ -7,4 +6,4 @@ import {CONST_EXPR} from 'angular2/src/facade/lang';
  * Note: Document might not be available in the Application Context when Application and Rendering
  * Contexts are not the same (e.g. when running the application into a Web Worker).
  */
-export const DOCUMENT: OpaqueToken = CONST_EXPR(new OpaqueToken('DocumentToken'));
+export const DOCUMENT: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken('DocumentToken');
diff --git a/modules/angular2/src/platform/dom/events/event_manager.ts b/modules/angular2/src/platform/dom/events/event_manager.ts
index 1f2f2a1b18..2fb13f0e7f 100644
--- a/modules/angular2/src/platform/dom/events/event_manager.ts
+++ b/modules/angular2/src/platform/dom/events/event_manager.ts
@@ -1,11 +1,10 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {Injectable, Inject, OpaqueToken} from 'angular2/src/core/di';
 import {NgZone} from 'angular2/src/core/zone/ng_zone';
 import {ListWrapper} from 'angular2/src/facade/collection';
 
 export const EVENT_MANAGER_PLUGINS: OpaqueToken =
-    CONST_EXPR(new OpaqueToken("EventManagerPlugins"));
+    /*@ts2dart_const*/ new OpaqueToken("EventManagerPlugins");
 
 @Injectable()
 export class EventManager {
@@ -54,4 +53,4 @@ export class EventManagerPlugin {
   addGlobalEventListener(element: string, eventName: string, handler: Function): Function {
     throw "not implemented";
   }
-}
\ No newline at end of file
+}
diff --git a/modules/angular2/src/platform/dom/events/hammer_gestures.ts b/modules/angular2/src/platform/dom/events/hammer_gestures.ts
index a50c04d9a1..03c2239b66 100644
--- a/modules/angular2/src/platform/dom/events/hammer_gestures.ts
+++ b/modules/angular2/src/platform/dom/events/hammer_gestures.ts
@@ -1,10 +1,10 @@
 import {HammerGesturesPluginCommon} from './hammer_common';
-import {isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {Injectable, Inject, OpaqueToken} from 'angular2/core';
 
 export const HAMMER_GESTURE_CONFIG: OpaqueToken =
-    CONST_EXPR(new OpaqueToken("HammerGestureConfig"));
+    /*@ts2dart_const*/ new OpaqueToken("HammerGestureConfig");
 
 export interface HammerInstance {
   on(eventName: string, callback: Function): void;
diff --git a/modules/angular2/src/platform/worker_app.ts b/modules/angular2/src/platform/worker_app.ts
index cb014694c2..e1850301ef 100644
--- a/modules/angular2/src/platform/worker_app.ts
+++ b/modules/angular2/src/platform/worker_app.ts
@@ -1,5 +1,5 @@
 import {NgZone} from 'angular2/src/core/zone/ng_zone';
-import {Type, CONST_EXPR, isPresent} from 'angular2/src/facade/lang';
+import {Type, isPresent} from 'angular2/src/facade/lang';
 import {Provider} from 'angular2/src/core/di';
 import {Parse5DomAdapter} from 'angular2/src/platform/server/parse5_adapter';
 import {
diff --git a/modules/angular2/src/platform/worker_app_common.ts b/modules/angular2/src/platform/worker_app_common.ts
index fe66684c62..d5a8d0e36f 100644
--- a/modules/angular2/src/platform/worker_app_common.ts
+++ b/modules/angular2/src/platform/worker_app_common.ts
@@ -1,7 +1,7 @@
 import {XHR} from 'angular2/src/compiler/xhr';
 import {WebWorkerXHRImpl} from 'angular2/src/web_workers/worker/xhr_impl';
 import {WebWorkerRootRenderer} from 'angular2/src/web_workers/worker/renderer';
-import {print, Type, CONST_EXPR, isPresent} from 'angular2/src/facade/lang';
+import {print, Type, isPresent} from 'angular2/src/facade/lang';
 import {RootRenderer} from 'angular2/src/core/render/api';
 import {
   PLATFORM_DIRECTIVES,
@@ -32,29 +32,29 @@ class PrintLogger {
   logGroupEnd() {}
 }
 
-export const WORKER_APP_PLATFORM_MARKER = CONST_EXPR(new OpaqueToken('WorkerAppPlatformMarker'));
+export const WORKER_APP_PLATFORM_MARKER =
+    /*@ts2dart_const*/ new OpaqueToken('WorkerAppPlatformMarker');
 
-export const WORKER_APP_PLATFORM: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  PLATFORM_COMMON_PROVIDERS,
-  CONST_EXPR(new Provider(WORKER_APP_PLATFORM_MARKER, {useValue: true}))
-]);
+export const WORKER_APP_PLATFORM: Array<any /*Type | Provider | any[]*/> = /*@ts2dart_const*/
+    [PLATFORM_COMMON_PROVIDERS, new Provider(WORKER_APP_PLATFORM_MARKER, {useValue: true})];
 
-export const WORKER_APP_APPLICATION_COMMON: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  APPLICATION_COMMON_PROVIDERS,
-  FORM_PROVIDERS,
-  Serializer,
-  new Provider(PLATFORM_PIPES, {useValue: COMMON_PIPES, multi: true}),
-  new Provider(PLATFORM_DIRECTIVES, {useValue: COMMON_DIRECTIVES, multi: true}),
-  new Provider(ClientMessageBrokerFactory, {useClass: ClientMessageBrokerFactory_}),
-  new Provider(ServiceMessageBrokerFactory, {useClass: ServiceMessageBrokerFactory_}),
-  WebWorkerRootRenderer,
-  new Provider(RootRenderer, {useExisting: WebWorkerRootRenderer}),
-  new Provider(ON_WEB_WORKER, {useValue: true}),
-  RenderStore,
-  new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
-  WebWorkerXHRImpl,
-  new Provider(XHR, {useExisting: WebWorkerXHRImpl})
-]);
+export const WORKER_APP_APPLICATION_COMMON: Array<any /*Type | Provider | any[]*/> =
+    /*@ts2dart_const*/[
+      APPLICATION_COMMON_PROVIDERS,
+      FORM_PROVIDERS,
+      Serializer,
+      new Provider(PLATFORM_PIPES, {useValue: COMMON_PIPES, multi: true}),
+      new Provider(PLATFORM_DIRECTIVES, {useValue: COMMON_DIRECTIVES, multi: true}),
+      new Provider(ClientMessageBrokerFactory, {useClass: ClientMessageBrokerFactory_}),
+      new Provider(ServiceMessageBrokerFactory, {useClass: ServiceMessageBrokerFactory_}),
+      WebWorkerRootRenderer,
+      new Provider(RootRenderer, {useExisting: WebWorkerRootRenderer}),
+      new Provider(ON_WEB_WORKER, {useValue: true}),
+      RenderStore,
+      new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
+      WebWorkerXHRImpl,
+      new Provider(XHR, {useExisting: WebWorkerXHRImpl})
+    ];
 
 function _exceptionHandler(): ExceptionHandler {
   return new ExceptionHandler(new PrintLogger());
diff --git a/modules/angular2/src/platform/worker_render.ts b/modules/angular2/src/platform/worker_render.ts
index 2d34aaa3ee..fdfcee762e 100644
--- a/modules/angular2/src/platform/worker_render.ts
+++ b/modules/angular2/src/platform/worker_render.ts
@@ -15,7 +15,6 @@ import {
   initializeGenericWorkerRenderer
 } from 'angular2/src/platform/worker_render_common';
 import {BaseException} from 'angular2/src/facade/exceptions';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * Wrapper class that exposes the Worker
@@ -36,17 +35,19 @@ export class WebWorkerInstance {
 /**
  * An array of providers that should be passed into `application()` when initializing a new Worker.
  */
-export const WORKER_RENDER_APPLICATION: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  WORKER_RENDER_APPLICATION_COMMON,
-  WebWorkerInstance,
-  new Provider(APP_INITIALIZER,
-               {
-                 useFactory: (injector) => () => initWebWorkerApplication(injector),
-                 multi: true,
-                 deps: [Injector]
-               }),
-  new Provider(MessageBus, {useFactory: (instance) => instance.bus, deps: [WebWorkerInstance]})
-]);
+export const WORKER_RENDER_APPLICATION: Array<any /*Type | Provider | any[]*/> =
+    /*@ts2dart_const*/ [
+      WORKER_RENDER_APPLICATION_COMMON,
+      WebWorkerInstance,
+      new Provider(APP_INITIALIZER,
+                   {
+                     useFactory: (injector => () => initWebWorkerApplication(injector),
+                     multi: true,
+                     deps: [Injector]
+                   }),
+      new Provider(MessageBus,
+                   {useFactory: (instance) => instance.bus, deps: [WebWorkerInstance]})
+    ]);
 
 function initWebWorkerApplication(injector: Injector): void {
   var scriptUri: string;
diff --git a/modules/angular2/src/platform/worker_render_common.ts b/modules/angular2/src/platform/worker_render_common.ts
index 68a197cd24..1ee485325f 100644
--- a/modules/angular2/src/platform/worker_render_common.ts
+++ b/modules/angular2/src/platform/worker_render_common.ts
@@ -1,4 +1,4 @@
-import {CONST_EXPR, IS_DART} from 'angular2/src/facade/lang';
+import {IS_DART} from 'angular2/src/facade/lang';
 import {MessageBus} from 'angular2/src/web_workers/shared/message_bus';
 import {NgZone} from 'angular2/src/core/zone/ng_zone';
 import {
@@ -53,55 +53,56 @@ import {
   HammerGesturesPlugin
 } from 'angular2/src/platform/dom/events/hammer_gestures';
 
-export const WORKER_SCRIPT: OpaqueToken = CONST_EXPR(new OpaqueToken("WebWorkerScript"));
+export const WORKER_SCRIPT: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken("WebWorkerScript");
 
 // Message based Worker classes that listen on the MessageBus
 export const WORKER_RENDER_MESSAGING_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([MessageBasedRenderer, MessageBasedXHRImpl]);
+    /*@ts2dart_const*/[MessageBasedRenderer, MessageBasedXHRImpl];
 
 export const WORKER_RENDER_PLATFORM_MARKER =
-    CONST_EXPR(new OpaqueToken('WorkerRenderPlatformMarker'));
+    /*@ts2dart_const*/ new OpaqueToken('WorkerRenderPlatformMarker');
 
-export const WORKER_RENDER_PLATFORM: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
+export const WORKER_RENDER_PLATFORM: Array<any /*Type | Provider | any[]*/> = /*@ts2dart_const*/[
   PLATFORM_COMMON_PROVIDERS,
-  CONST_EXPR(new Provider(WORKER_RENDER_PLATFORM_MARKER, {useValue: true})),
+  new Provider(WORKER_RENDER_PLATFORM_MARKER, {useValue: true}),
   new Provider(PLATFORM_INITIALIZER, {useValue: initWebWorkerRenderPlatform, multi: true})
-]);
+];
 
 /**
  * A list of {@link Provider}s. To use the router in a Worker enabled application you must
  * include these providers when setting up the render thread.
  */
 export const WORKER_RENDER_ROUTER: Array<any /*Type | Provider | any[]*/> =
-    CONST_EXPR([BrowserPlatformLocation]);
+    /*@ts2dart_const*/[BrowserPlatformLocation];
 
-export const WORKER_RENDER_APPLICATION_COMMON: Array<any /*Type | Provider | any[]*/> = CONST_EXPR([
-  APPLICATION_COMMON_PROVIDERS,
-  WORKER_RENDER_MESSAGING_PROVIDERS,
-  new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
-  new Provider(DOCUMENT, {useFactory: _document, deps: []}),
-  // TODO(jteplitz602): Investigate if we definitely need EVENT_MANAGER on the render thread
-  // #5298
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: DomEventsPlugin, multi: true}),
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: KeyEventsPlugin, multi: true}),
-  new Provider(EVENT_MANAGER_PLUGINS, {useClass: HammerGesturesPlugin, multi: true}),
-  new Provider(HAMMER_GESTURE_CONFIG, {useClass: HammerGestureConfig}),
-  new Provider(DomRootRenderer, {useClass: DomRootRenderer_}),
-  new Provider(RootRenderer, {useExisting: DomRootRenderer}),
-  new Provider(SharedStylesHost, {useExisting: DomSharedStylesHost}),
-  new Provider(XHR, {useClass: XHRImpl}),
-  MessageBasedXHRImpl,
-  new Provider(ServiceMessageBrokerFactory, {useClass: ServiceMessageBrokerFactory_}),
-  new Provider(ClientMessageBrokerFactory, {useClass: ClientMessageBrokerFactory_}),
-  Serializer,
-  new Provider(ON_WEB_WORKER, {useValue: false}),
-  RenderStore,
-  DomSharedStylesHost,
-  Testability,
-  BrowserDetails,
-  AnimationBuilder,
-  EventManager
-]);
+export const WORKER_RENDER_APPLICATION_COMMON: Array<any /*Type | Provider | any[]*/> =
+    /*@ts2dart_const*/[
+      APPLICATION_COMMON_PROVIDERS,
+      WORKER_RENDER_MESSAGING_PROVIDERS,
+      new Provider(ExceptionHandler, {useFactory: _exceptionHandler, deps: []}),
+      new Provider(DOCUMENT, {useFactory: _document, deps: []}),
+      // TODO(jteplitz602): Investigate if we definitely need EVENT_MANAGER on the render thread
+      // #5298
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: DomEventsPlugin, multi: true}),
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: KeyEventsPlugin, multi: true}),
+      new Provider(EVENT_MANAGER_PLUGINS, {useClass: HammerGesturesPlugin, multi: true}),
+      new Provider(HAMMER_GESTURE_CONFIG, {useClass: HammerGestureConfig}),
+      new Provider(DomRootRenderer, {useClass: DomRootRenderer_}),
+      new Provider(RootRenderer, {useExisting: DomRootRenderer}),
+      new Provider(SharedStylesHost, {useExisting: DomSharedStylesHost}),
+      new Provider(XHR, {useClass: XHRImpl}),
+      MessageBasedXHRImpl,
+      new Provider(ServiceMessageBrokerFactory, {useClass: ServiceMessageBrokerFactory_}),
+      new Provider(ClientMessageBrokerFactory, {useClass: ClientMessageBrokerFactory_}),
+      Serializer,
+      new Provider(ON_WEB_WORKER, {useValue: false}),
+      RenderStore,
+      DomSharedStylesHost,
+      Testability,
+      BrowserDetails,
+      AnimationBuilder,
+      EventManager
+    ];
 
 export function initializeGenericWorkerRenderer(injector: Injector) {
   var bus = injector.get(MessageBus);
diff --git a/modules/angular2/src/router/instruction.ts b/modules/angular2/src/router/instruction.ts
index e05f419b33..0a45278a13 100644
--- a/modules/angular2/src/router/instruction.ts
+++ b/modules/angular2/src/router/instruction.ts
@@ -1,5 +1,5 @@
 import {Map, MapWrapper, StringMapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-import {isPresent, isBlank, normalizeBlank, Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent, isBlank, normalizeBlank, Type} from 'angular2/src/facade/lang';
 import {PromiseWrapper} from 'angular2/src/facade/async';
 
 
@@ -74,7 +74,7 @@ export class RouteParams {
  * ```
  */
 export class RouteData {
-  constructor(public data: {[key: string]: any} = CONST_EXPR({})) {}
+  constructor(public data: {[key: string]: any} = /*@ts2dart_const*/ {}) {}
 
   get(key: string): any { return normalizeBlank(StringMapWrapper.get(this.data, key)); }
 }
@@ -243,7 +243,7 @@ export class DefaultInstruction extends ResolvedInstruction {
  */
 export class UnresolvedInstruction extends Instruction {
   constructor(private _resolver: () => Promise<Instruction>, private _urlPath: string = '',
-              private _urlParams: string[] = CONST_EXPR([])) {
+              private _urlParams: string[] = /*@ts2dart_const*/[]) {
     super(null, null, {});
   }
 
diff --git a/modules/angular2/src/router/lifecycle/lifecycle_annotations_impl.ts b/modules/angular2/src/router/lifecycle/lifecycle_annotations_impl.ts
index d8c83866ab..710387e46b 100644
--- a/modules/angular2/src/router/lifecycle/lifecycle_annotations_impl.ts
+++ b/modules/angular2/src/router/lifecycle/lifecycle_annotations_impl.ts
@@ -1,4 +1,4 @@
-import {CONST, CONST_EXPR} from 'angular2/src/facade/lang';
+import {CONST} from 'angular2/src/facade/lang';
 
 @CONST()
 export class RouteLifecycleHook {
@@ -11,12 +11,12 @@ export class CanActivate {
 }
 
 export const routerCanReuse: RouteLifecycleHook =
-    CONST_EXPR(new RouteLifecycleHook("routerCanReuse"));
+    /*@ts2dart_const*/ new RouteLifecycleHook("routerCanReuse");
 export const routerCanDeactivate: RouteLifecycleHook =
-    CONST_EXPR(new RouteLifecycleHook("routerCanDeactivate"));
+    /*@ts2dart_const*/ new RouteLifecycleHook("routerCanDeactivate");
 export const routerOnActivate: RouteLifecycleHook =
-    CONST_EXPR(new RouteLifecycleHook("routerOnActivate"));
+    /*@ts2dart_const*/ new RouteLifecycleHook("routerOnActivate");
 export const routerOnReuse: RouteLifecycleHook =
-    CONST_EXPR(new RouteLifecycleHook("routerOnReuse"));
+    /*@ts2dart_const*/ new RouteLifecycleHook("routerOnReuse");
 export const routerOnDeactivate: RouteLifecycleHook =
-    CONST_EXPR(new RouteLifecycleHook("routerOnDeactivate"));
+    /*@ts2dart_const*/ new RouteLifecycleHook("routerOnDeactivate");
diff --git a/modules/angular2/src/router/route_registry.ts b/modules/angular2/src/router/route_registry.ts
index 0cf90984b1..038655bcb1 100644
--- a/modules/angular2/src/router/route_registry.ts
+++ b/modules/angular2/src/router/route_registry.ts
@@ -11,7 +11,6 @@ import {
   StringWrapper,
   Math,
   getTypeNameForDebugging,
-  CONST_EXPR
 } from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {reflector} from 'angular2/src/core/reflection/reflection';
@@ -77,7 +76,7 @@ var _resolveToNull = PromiseWrapper.resolve<Instruction>(null);
  * ```
  */
 export const ROUTER_PRIMARY_COMPONENT: OpaqueToken =
-    CONST_EXPR(new OpaqueToken('RouterPrimaryComponent'));
+    /*@ts2dart_const*/ new OpaqueToken('RouterPrimaryComponent');
 
 
 /**
diff --git a/modules/angular2/src/router/router_providers.ts b/modules/angular2/src/router/router_providers.ts
index a1327cb649..1b40ece4bd 100644
--- a/modules/angular2/src/router/router_providers.ts
+++ b/modules/angular2/src/router/router_providers.ts
@@ -4,7 +4,6 @@ import {
   BrowserPlatformLocation
 } from 'angular2/src/platform/browser/location/browser_platform_location';
 import {PlatformLocation} from 'angular2/platform/common';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 /**
  * A list of {@link Provider}s. To use the router, you must add this to your application.
@@ -30,14 +29,14 @@ import {CONST_EXPR} from 'angular2/src/facade/lang';
  * bootstrap(AppCmp, [ROUTER_PROVIDERS]);
  * ```
  */
-export const ROUTER_PROVIDERS: any[] = CONST_EXPR([
+export const ROUTER_PROVIDERS: any[] = /*@ts2dart_const*/[
   ROUTER_PROVIDERS_COMMON,
-  CONST_EXPR(new Provider(PlatformLocation, {useClass: BrowserPlatformLocation})),
-]);
+  new Provider(PlatformLocation, {useClass: BrowserPlatformLocation}),
+];
 
 /**
  * Use {@link ROUTER_PROVIDERS} instead.
  *
  * @deprecated
  */
-export const ROUTER_BINDINGS = ROUTER_PROVIDERS;
+export const ROUTER_BINDINGS = /*@ts2dart_const*/ ROUTER_PROVIDERS;
diff --git a/modules/angular2/src/router/router_providers_common.ts b/modules/angular2/src/router/router_providers_common.ts
index 529055c436..722a43c13e 100644
--- a/modules/angular2/src/router/router_providers_common.ts
+++ b/modules/angular2/src/router/router_providers_common.ts
@@ -1,27 +1,25 @@
 import {LocationStrategy, PathLocationStrategy, Location} from 'angular2/platform/common';
 import {Router, RootRouter} from 'angular2/src/router/router';
 import {RouteRegistry, ROUTER_PRIMARY_COMPONENT} from 'angular2/src/router/route_registry';
-import {CONST_EXPR, Type} from 'angular2/src/facade/lang';
+import {Type} from 'angular2/src/facade/lang';
 import {ApplicationRef, OpaqueToken, Provider} from 'angular2/core';
 import {BaseException} from 'angular2/src/facade/exceptions';
 
 /**
  * The Platform agnostic ROUTER PROVIDERS
  */
-export const ROUTER_PROVIDERS_COMMON: any[] = CONST_EXPR([
+export const ROUTER_PROVIDERS_COMMON: any[] = /*@ts2dart_const*/[
   RouteRegistry,
-  CONST_EXPR(new Provider(LocationStrategy, {useClass: PathLocationStrategy})),
+  new Provider(LocationStrategy, {useClass: PathLocationStrategy}),
   Location,
-  CONST_EXPR(new Provider(
-      Router,
-      {
-        useFactory: routerFactory,
-        deps: CONST_EXPR([RouteRegistry, Location, ROUTER_PRIMARY_COMPONENT, ApplicationRef])
-      })),
-  CONST_EXPR(new Provider(
-      ROUTER_PRIMARY_COMPONENT,
-      {useFactory: routerPrimaryComponentFactory, deps: CONST_EXPR([ApplicationRef])}))
-]);
+  new Provider(Router,
+               {
+                 useFactory: routerFactory,
+                 deps: [RouteRegistry, Location, ROUTER_PRIMARY_COMPONENT, ApplicationRef]
+               }),
+  new Provider(ROUTER_PRIMARY_COMPONENT,
+               {useFactory: routerPrimaryComponentFactory, deps: [ApplicationRef]})
+];
 
 function routerFactory(registry: RouteRegistry, location: Location, primaryComponent: Type,
                        appRef: ApplicationRef): RootRouter {
diff --git a/modules/angular2/src/router/url_parser.ts b/modules/angular2/src/router/url_parser.ts
index ecd91bb223..ab3ad8025c 100644
--- a/modules/angular2/src/router/url_parser.ts
+++ b/modules/angular2/src/router/url_parser.ts
@@ -1,5 +1,5 @@
 import {StringMapWrapper} from 'angular2/src/facade/collection';
-import {isPresent, isBlank, RegExpWrapper, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent, isBlank, RegExpWrapper} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 
 export function convertUrlParamsToArray(urlParams: {[key: string]: any}): string[] {
@@ -22,8 +22,8 @@ export function serializeParams(urlParams: {[key: string]: any}, joiner = '&'):
  */
 export class Url {
   constructor(public path: string, public child: Url = null,
-              public auxiliary: Url[] = CONST_EXPR([]),
-              public params: {[key: string]: any} = CONST_EXPR({})) {}
+              public auxiliary: Url[] = /*@ts2dart_const*/[],
+              public params: {[key: string]: any} = /*@ts2dart_const*/ {}) {}
 
   toString(): string {
     return this.path + this._matrixParamsToString() + this._auxToString() + this._childString();
@@ -51,7 +51,7 @@ export class Url {
 }
 
 export class RootUrl extends Url {
-  constructor(path: string, child: Url = null, auxiliary: Url[] = CONST_EXPR([]),
+  constructor(path: string, child: Url = null, auxiliary: Url[] = /*@ts2dart_const*/[],
               params: {[key: string]: any} = null) {
     super(path, child, auxiliary, params);
   }
diff --git a/modules/angular2/src/web_workers/shared/api.ts b/modules/angular2/src/web_workers/shared/api.ts
index 34a757459c..4f28a10a9f 100644
--- a/modules/angular2/src/web_workers/shared/api.ts
+++ b/modules/angular2/src/web_workers/shared/api.ts
@@ -1,4 +1,3 @@
-import {CONST_EXPR} from "angular2/src/facade/lang";
 import {OpaqueToken} from "angular2/src/core/di";
 
-export const ON_WEB_WORKER = CONST_EXPR(new OpaqueToken('WebWorker.onWebWorker'));
+export const ON_WEB_WORKER = /*@ts2dart_const*/ new OpaqueToken('WebWorker.onWebWorker');
diff --git a/modules/angular2/src/web_workers/shared/serializer.ts b/modules/angular2/src/web_workers/shared/serializer.ts
index 7ed248922b..35154c9198 100644
--- a/modules/angular2/src/web_workers/shared/serializer.ts
+++ b/modules/angular2/src/web_workers/shared/serializer.ts
@@ -10,7 +10,7 @@ import {LocationType} from './serialized_types';
 
 // PRIMITIVE is any type that does not need to be serialized (string, number, boolean)
 // We set it to String so that it is considered a Type.
-export const PRIMITIVE: Type = String;
+export const PRIMITIVE: Type = /*@ts2dart_const*/ String;
 
 @Injectable()
 export class Serializer {
diff --git a/modules/angular2/src/web_workers/ui/router_providers.ts b/modules/angular2/src/web_workers/ui/router_providers.ts
index fa349e96b7..02632d4e54 100644
--- a/modules/angular2/src/web_workers/ui/router_providers.ts
+++ b/modules/angular2/src/web_workers/ui/router_providers.ts
@@ -1,17 +1,14 @@
 import {MessageBasedPlatformLocation} from './platform_location';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {
   BrowserPlatformLocation
 } from 'angular2/src/platform/browser/location/browser_platform_location';
 import {APP_INITIALIZER, Provider, Injector, NgZone} from 'angular2/core';
 
-export const WORKER_RENDER_ROUTER = CONST_EXPR([
+export const WORKER_RENDER_ROUTER = /*@ts2dart_const*/[
   MessageBasedPlatformLocation,
   BrowserPlatformLocation,
-  CONST_EXPR(
-      new Provider(APP_INITIALIZER,
-                   {useFactory: initRouterListeners, multi: true, deps: CONST_EXPR([Injector])}))
-]);
+  new Provider(APP_INITIALIZER, {useFactory: initRouterListeners, multi: true, deps: [Injector]})
+];
 
 function initRouterListeners(injector: Injector): () => void {
   return () => {
diff --git a/modules/angular2/test/common/forms/integration_spec.ts b/modules/angular2/test/common/forms/integration_spec.ts
index 9efe99347e..06e8273da3 100644
--- a/modules/angular2/test/common/forms/integration_spec.ts
+++ b/modules/angular2/test/common/forms/integration_spec.ts
@@ -46,7 +46,6 @@ import {
 import {By} from 'angular2/platform/browser';
 import {ListWrapper} from 'angular2/src/facade/collection';
 import {ObservableWrapper, TimerWrapper} from 'angular2/src/facade/async';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 import {PromiseWrapper} from "angular2/src/facade/promise";
 
 export function main() {
diff --git a/modules/angular2/test/common/forms/model_spec.ts b/modules/angular2/test/common/forms/model_spec.ts
index 9dc4c2a989..973ad00d83 100644
--- a/modules/angular2/test/common/forms/model_spec.ts
+++ b/modules/angular2/test/common/forms/model_spec.ts
@@ -14,12 +14,12 @@ import {
   inject
 } from 'angular2/testing_internal';
 import {ControlGroup, Control, ControlArray, Validators} from 'angular2/common';
-import {IS_DART, isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
+import {IS_DART, isPresent} from 'angular2/src/facade/lang';
 import {PromiseWrapper} from 'angular2/src/facade/promise';
 import {TimerWrapper, ObservableWrapper, EventEmitter} from 'angular2/src/facade/async';
 
 export function main() {
-  function asyncValidator(expected, timeouts = CONST_EXPR({})) {
+  function asyncValidator(expected, timeouts = /*@ts2dart_const*/ {}) {
     return (c) => {
       var completer = PromiseWrapper.completer();
       var t = isPresent(timeouts[c.value]) ? timeouts[c.value] : 0;
diff --git a/modules/angular2/test/common/forms/validators_spec.ts b/modules/angular2/test/common/forms/validators_spec.ts
index 5b049cdabc..248e8ef31e 100644
--- a/modules/angular2/test/common/forms/validators_spec.ts
+++ b/modules/angular2/test/common/forms/validators_spec.ts
@@ -14,7 +14,6 @@ import {
 import {ControlGroup, Control, Validators, AbstractControl, ControlArray} from 'angular2/common';
 import {PromiseWrapper} from 'angular2/src/facade/promise';
 import {EventEmitter, ObservableWrapper, TimerWrapper} from 'angular2/src/facade/async';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 export function main() {
   function validator(key: string, error: any) {
diff --git a/modules/angular2/test/compiler/offline_compiler_compa.css.shim.ts b/modules/angular2/test/compiler/offline_compiler_compa.css.shim.ts
index 2023b9f118..2bf530a6ab 100644
--- a/modules/angular2/test/compiler/offline_compiler_compa.css.shim.ts
+++ b/modules/angular2/test/compiler/offline_compiler_compa.css.shim.ts
@@ -1,3 +1,2 @@
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
-export const styles = CONST_EXPR([`.greenStyle[_ngcontent-a-1] { color: green; }`]);
\ No newline at end of file
+export const styles = /*@ts2dart_const*/[`.greenStyle[_ngcontent-a-1] { color: green; }`];
diff --git a/modules/angular2/test/compiler/template_parser_spec.ts b/modules/angular2/test/compiler/template_parser_spec.ts
index 019c6ee6fd..f8232c31d7 100644
--- a/modules/angular2/test/compiler/template_parser_spec.ts
+++ b/modules/angular2/test/compiler/template_parser_spec.ts
@@ -14,7 +14,7 @@ import {provide} from 'angular2/src/core/di';
 import {Console} from 'angular2/src/core/console';
 
 import {TEST_PROVIDERS} from './test_bindings';
-import {isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isPresent} from 'angular2/src/facade/lang';
 import {
   TemplateParser,
   splitClasses,
@@ -506,8 +506,8 @@ export function main() {
         }
 
         function createProvider(
-            token: string, {multi = false, deps = CONST_EXPR([])}:
-                               {multi?: boolean, deps?: string[]} = {}): CompileProviderMetadata {
+            token: string, {multi = false, deps = /*@ts2dart_const*/[
+                            ]}: {multi?: boolean, deps?: string[]} = {}): CompileProviderMetadata {
           return new CompileProviderMetadata({
             token: createToken(token),
             multi: multi,
@@ -516,13 +516,14 @@ export function main() {
           });
         }
 
-        function createDir(selector: string, {providers = null, viewProviders = null,
-                                              deps = CONST_EXPR([]), queries = CONST_EXPR([])}: {
-          providers?: CompileProviderMetadata[],
-          viewProviders?: CompileProviderMetadata[],
-          deps?: string[],
-          queries?: string[]
-        } = {}): CompileDirectiveMetadata {
+        function createDir(selector: string,
+                           {providers = null, viewProviders = null, deps = /*@ts2dart_const*/[],
+                            queries = /*@ts2dart_const*/[]}: {
+                             providers?: CompileProviderMetadata[],
+                             viewProviders?: CompileProviderMetadata[],
+                             deps?: string[],
+                             queries?: string[]
+                           } = {}): CompileDirectiveMetadata {
           var isComponent = !selector.startsWith('[');
           return CompileDirectiveMetadata.create({
             selector: selector,
diff --git a/modules/angular2/test/core/change_detection/util.ts b/modules/angular2/test/core/change_detection/util.ts
index 4b86f73968..686884a15b 100644
--- a/modules/angular2/test/core/change_detection/util.ts
+++ b/modules/angular2/test/core/change_detection/util.ts
@@ -1,8 +1,9 @@
-import {isBlank, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank} from 'angular2/src/facade/lang';
 
 export function iterableChangesAsString(
-    {collection = CONST_EXPR([]), previous = CONST_EXPR([]), additions = CONST_EXPR([]),
-     moves = CONST_EXPR([]), removals = CONST_EXPR([]), identityChanges = CONST_EXPR([])}) {
+    {collection = /*@ts2dart_const*/[], previous = /*@ts2dart_const*/[],
+     additions = /*@ts2dart_const*/[], moves = /*@ts2dart_const*/[],
+     removals = /*@ts2dart_const*/[], identityChanges = /*@ts2dart_const*/[]}) {
   return "collection: " + collection.join(', ') + "\n" + "previous: " + previous.join(', ') + "\n" +
          "additions: " + additions.join(', ') + "\n" + "moves: " + moves.join(', ') + "\n" +
          "removals: " + removals.join(', ') + "\n" + "identityChanges: " +
diff --git a/modules/angular2/test/core/linker/change_detection_integration_spec.ts b/modules/angular2/test/core/linker/change_detection_integration_spec.ts
index 0f804b7ce5..46f0141c34 100644
--- a/modules/angular2/test/core/linker/change_detection_integration_spec.ts
+++ b/modules/angular2/test/core/linker/change_detection_integration_spec.ts
@@ -17,7 +17,6 @@ import {
 
 import {
   IS_DART,
-  CONST_EXPR,
   Type,
   isPresent,
   isBlank,
@@ -1072,8 +1071,8 @@ export function main() {
   });
 }
 
-const ALL_DIRECTIVES = CONST_EXPR([
-  forwardRef(() => TestDirective),
+const ALL_DIRECTIVES = /*@ts2dart_const*/ [
+  forwardRef(( => TestDirective),
   forwardRef(() => TestComponent),
   forwardRef(() => AnotherComponent),
   forwardRef(() => TestLocals),
@@ -1085,8 +1084,8 @@ const ALL_DIRECTIVES = CONST_EXPR([
   forwardRef(() => OrderCheckDirective1),
 ]);
 
-const ALL_PIPES = CONST_EXPR([
-  forwardRef(() => CountingPipe),
+const ALL_PIPES = /*@ts2dart_const*/ [
+  forwardRef(( => CountingPipe),
   forwardRef(() => CountingImpurePipe),
   forwardRef(() => MultiArgPipe),
   forwardRef(() => PipeWithOnDestroy),
diff --git a/modules/angular2/test/core/linker/integration_spec.ts b/modules/angular2/test/core/linker/integration_spec.ts
index 6763ccb71a..fd9efc1f39 100644
--- a/modules/angular2/test/core/linker/integration_spec.ts
+++ b/modules/angular2/test/core/linker/integration_spec.ts
@@ -32,7 +32,6 @@ import {
   stringify,
   isBlank,
   CONST,
-  CONST_EXPR,
   IS_DART
 } from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
@@ -93,7 +92,7 @@ import {TemplateRef_, TemplateRef} from 'angular2/src/core/linker/template_ref';
 
 import {Renderer} from 'angular2/src/core/render';
 
-const ANCHOR_ELEMENT = CONST_EXPR(new OpaqueToken('AnchorElement'));
+const ANCHOR_ELEMENT = /*@ts2dart_const*/ new OpaqueToken('AnchorElement');
 
 export function main() {
   if (IS_DART) {
diff --git a/modules/angular2/test/core/linker/view_injector_integration_spec.ts b/modules/angular2/test/core/linker/view_injector_integration_spec.ts
index 8cb06951bb..9337930bc7 100644
--- a/modules/angular2/test/core/linker/view_injector_integration_spec.ts
+++ b/modules/angular2/test/core/linker/view_injector_integration_spec.ts
@@ -17,7 +17,7 @@ import {
   fakeAsync,
   tick
 } from 'angular2/testing_internal';
-import {isBlank, isPresent, stringify, Type, CONST_EXPR} from 'angular2/src/facade/lang';
+import {isBlank, isPresent, stringify, Type} from 'angular2/src/facade/lang';
 import {
   ViewContainerRef,
   TemplateRef,
@@ -49,8 +49,8 @@ import {
 import {NgIf} from 'angular2/common';
 import {DOM} from 'angular2/src/platform/dom/dom_adapter';
 
-const ALL_DIRECTIVES = CONST_EXPR([
-  forwardRef(() => SimpleDirective),
+const ALL_DIRECTIVES = /*@ts2dart_const*/ [
+  forwardRef(( => SimpleDirective),
   forwardRef(() => CycleDirective),
   forwardRef(() => SimpleComponent),
   forwardRef(() => SomeOtherDirective),
@@ -83,8 +83,8 @@ const ALL_DIRECTIVES = CONST_EXPR([
   NgIf
 ]);
 
-const ALL_PIPES = CONST_EXPR([
-  forwardRef(() => PipeNeedsChangeDetectorRef),
+const ALL_PIPES = /*@ts2dart_const*/ [
+  forwardRef(( => PipeNeedsChangeDetectorRef),
   forwardRef(() => PipeNeedsService),
   forwardRef(() => PurePipe),
   forwardRef(() => ImpurePipe),
diff --git a/modules/angular2/test/facade/lang_spec.ts b/modules/angular2/test/facade/lang_spec.ts
index 4caef71444..3adae974b9 100644
--- a/modules/angular2/test/facade/lang_spec.ts
+++ b/modules/angular2/test/facade/lang_spec.ts
@@ -4,7 +4,6 @@ import {
   RegExpWrapper,
   RegExpMatcherWrapper,
   StringWrapper,
-  CONST_EXPR,
   hasConstructor,
   resolveEnumToken
 } from 'angular2/src/facade/lang';
@@ -52,7 +51,7 @@ export function main() {
 
   describe('const', () => {
     it('should support const expressions both in TS and Dart', () => {
-      const numbers = CONST_EXPR([1, 2, 3]);
+      const numbers = /*@ts2dart_const*/[1, 2, 3];
       expect(numbers).toEqual([1, 2, 3]);
     });
   });
diff --git a/modules/angular2/test/router/directives/router_link_transform_spec.ts b/modules/angular2/test/router/directives/router_link_transform_spec.ts
index b7e2cc82b4..cbcf5475ea 100644
--- a/modules/angular2/test/router/directives/router_link_transform_spec.ts
+++ b/modules/angular2/test/router/directives/router_link_transform_spec.ts
@@ -12,7 +12,6 @@ import {
 } from 'angular2/testing_internal';
 
 import {Injector, provide} from 'angular2/core';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 import {parseRouterLinkExpression} from 'angular2/src/router/directives/router_link_transform';
 import {Unparser} from '../../compiler/expression_parser/unparser';
@@ -64,4 +63,4 @@ export function main() {
              .toThrowErrorWith("Invalid router link");
        }));
   });
-}
\ No newline at end of file
+}
diff --git a/modules/angular2/test/router/location/location_spec.ts b/modules/angular2/test/router/location/location_spec.ts
index 2f358f53cb..f34f4f9267 100644
--- a/modules/angular2/test/router/location/location_spec.ts
+++ b/modules/angular2/test/router/location/location_spec.ts
@@ -12,7 +12,6 @@ import {
 } from 'angular2/testing_internal';
 
 import {Injector, provide, ReflectiveInjector} from 'angular2/core';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 import {Location, LocationStrategy, APP_BASE_HREF} from 'angular2/platform/common';
 import {MockLocationStrategy} from 'angular2/src/mock/mock_location_strategy';
@@ -22,7 +21,8 @@ export function main() {
 
     var locationStrategy, location;
 
-    function makeLocation(baseHref: string = '/my/app', provider: any = CONST_EXPR([])): Location {
+    function makeLocation(baseHref: string = '/my/app',
+                          provider: any = /*@ts2dart_const*/[]): Location {
       locationStrategy = new MockLocationStrategy();
       locationStrategy.internalBaseHref = baseHref;
       let injector = ReflectiveInjector.resolveAndCreate(
diff --git a/modules/angular2/test/router/location/path_location_strategy_spec.ts b/modules/angular2/test/router/location/path_location_strategy_spec.ts
index 72b207ad7e..a760c65da9 100644
--- a/modules/angular2/test/router/location/path_location_strategy_spec.ts
+++ b/modules/angular2/test/router/location/path_location_strategy_spec.ts
@@ -12,7 +12,6 @@ import {
 } from 'angular2/testing_internal';
 
 import {Injector, provide} from 'angular2/core';
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 import {
   PlatformLocation,
diff --git a/modules/angular2/test/web_workers/worker/platform_location_spec.ts b/modules/angular2/test/web_workers/worker/platform_location_spec.ts
index 62e06d9569..a64f171582 100644
--- a/modules/angular2/test/web_workers/worker/platform_location_spec.ts
+++ b/modules/angular2/test/web_workers/worker/platform_location_spec.ts
@@ -19,7 +19,6 @@ import {
 import {UiArguments} from 'angular2/src/web_workers/shared/client_message_broker';
 import {Type} from 'angular2/src/facade/lang';
 import {PromiseWrapper} from "angular2/src/facade/async";
-import {CONST_EXPR} from 'angular2/src/facade/lang';
 
 export function main() {
   describe("WebWorkerPlatformLocation", () => {
diff --git a/modules/playground/src/person_management/index.ts b/modules/playground/src/person_management/index.ts
index 821b4eaf41..d04128c27a 100644
--- a/modules/playground/src/person_management/index.ts
+++ b/modules/playground/src/person_management/index.ts
@@ -2,8 +2,6 @@ import {bootstrap} from 'angular2/platform/browser';
 import {Component, Directive, Host, forwardRef, Provider, Injectable} from 'angular2/core';
 import {NgIf, NgFor, FORM_DIRECTIVES} from 'angular2/common';
 
-import {CONST_EXPR} from 'angular2/src/facade/lang';
-
 
 /**
  * You can find the Angular 1 implementation of this example here:
diff --git a/modules/playground/src/template_driven_forms/index.ts b/modules/playground/src/template_driven_forms/index.ts
index 086bf38573..86f6ca35b3 100644
--- a/modules/playground/src/template_driven_forms/index.ts
+++ b/modules/playground/src/template_driven_forms/index.ts
@@ -11,7 +11,7 @@ import {
   NgForm
 } from 'angular2/common';
 
-import {RegExpWrapper, print, isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
+import {RegExpWrapper, print, isPresent} from 'angular2/src/facade/lang';
 
 /**
  * A domain model we are binding the form controls to.