diff --git a/modules/di/src/annotations.js b/modules/di/src/annotations.js
index b478cd4da4..0fd9483df7 100644
--- a/modules/di/src/annotations.js
+++ b/modules/di/src/annotations.js
@@ -1,7 +1,8 @@
-//TODO: vsavkin: uncomment once const constructor are supported
-//export class Inject {
-//  @CONST
-//  constructor(token){
-//    this.token = token;
-//  }
-//}
\ No newline at end of file
+import {CONST} from "facade/lang";
+
+export class Inject {
+  @CONST()
+  constructor(token){
+    this.token = token;
+  }
+}
\ No newline at end of file
diff --git a/modules/di/src/binding.js b/modules/di/src/binding.js
index 12ec1ba3d7..de4ec70d1d 100644
--- a/modules/di/src/binding.js
+++ b/modules/di/src/binding.js
@@ -1,6 +1,6 @@
 import {Type} from 'facade/lang';
 import {List, MapWrapper, ListWrapper} from 'facade/collection';
-import {Reflector} from 'facade/di/reflector';
+import {Reflector} from './reflector';
 import {Key} from './key';
 
 export class Binding {
diff --git a/modules/di/src/di.js b/modules/di/src/di.js
index 69fde04c59..942592ba5b 100644
--- a/modules/di/src/di.js
+++ b/modules/di/src/di.js
@@ -1,5 +1,5 @@
+export * from './annotations';
 export * from './injector';
 export * from './binding';
 export * from './key';
 export * from './module';
-export {Inject} from 'facade/di/reflector';
diff --git a/modules/facade/src/di/reflector.dart b/modules/di/src/reflector.dart
similarity index 95%
rename from modules/facade/src/di/reflector.dart
rename to modules/di/src/reflector.dart
index 8b2e42bdb0..99bf783caf 100644
--- a/modules/facade/src/di/reflector.dart
+++ b/modules/di/src/reflector.dart
@@ -1,11 +1,7 @@
 library facade.di.reflector;
 
 import 'dart:mirrors';
-
-class Inject {
-  final Object token;
-  const Inject(this.token);
-}
+import 'annotations.dart' show Inject;
 
 class Reflector {
   factoryFor(Type type) {
diff --git a/modules/facade/src/di/reflector.es6 b/modules/di/src/reflector.es6
similarity index 85%
rename from modules/facade/src/di/reflector.es6
rename to modules/di/src/reflector.es6
index 78a2099d5c..5bbb69dbbf 100644
--- a/modules/facade/src/di/reflector.es6
+++ b/modules/di/src/reflector.es6
@@ -1,11 +1,5 @@
 import {Type} from 'facade/lang';
-
-//TODO: vsvakin: remove when const constructors are implemented
-export class Inject {
-  constructor(token){
-    this.token = token;
-  }
-}
+import {Inject} from './annotations';
 
 export class Reflector {
   factoryFor(type:Type) {