diff --git a/ionic/components/app/test/app.spec.ts b/ionic/components/app/test/app.spec.ts
index 10d91d0084..6f9ae15a5d 100644
--- a/ionic/components/app/test/app.spec.ts
+++ b/ionic/components/app/test/app.spec.ts
@@ -92,7 +92,7 @@ describe('IonicApp', () => {
   var _cd: any;
 
   function mockNav(): Nav {
-    return new Nav(null, null, null, config, null, null, null, null, null, null);
+    return new Nav(null, null, null, config, null, null, null, null, null);
   }
 
   function mockTabs(): Tabs {
@@ -100,7 +100,7 @@ describe('IonicApp', () => {
   }
 
   function mockTab(parentTabs: Tabs): Tab {
-    return new Tab(parentTabs, app, config, null, null, null, null, null, null, _cd);
+    return new Tab(parentTabs, app, config, null, null, null, null, null, _cd);
   }
 
   beforeEach(() => {
diff --git a/ionic/components/nav/test/nav-controller.spec.ts b/ionic/components/nav/test/nav-controller.spec.ts
index 9d0edf5dd3..4dd6b160a9 100644
--- a/ionic/components/nav/test/nav-controller.spec.ts
+++ b/ionic/components/nav/test/nav-controller.spec.ts
@@ -1319,7 +1319,7 @@ export function run() {
     function mockNav() {
       let elementRef = getElementRef();
 
-      let nav = new NavController(null, null, config, null, elementRef, null, null, null, null, null);
+      let nav = new NavController(null, null, config, null, elementRef, null, null, null);
 
       nav._keyboard = {
         isOpen: function() {
@@ -1340,7 +1340,7 @@ export function run() {
         setElementStyle: function(){}
       };
 
-      nav._portal = new NavController(null, null, config, null, elementRef, null, null, null, null, null);
+      nav._portal = new NavController(null, null, config, null, elementRef, null, null, null);
 
       return nav;
     }
diff --git a/ionic/components/nav/test/routing/index.ts b/ionic/components/nav/test/routing/index.ts
index faf53d7c93..bfbccf6619 100644
--- a/ionic/components/nav/test/routing/index.ts
+++ b/ionic/components/nav/test/routing/index.ts
@@ -1,15 +1,19 @@
-import {RouteConfig, Location} from 'angular2/router';
+import {RouteConfig,} from 'angular2/router';
+import {Location} from 'angular2/platform/common';
 
 import {App, Page, NavParams, ViewController} from 'ionic-angular';
 
 
 @Page({templateUrl: 'view1.html'})
 class View1Cmp {
-  constructor(location: Location, viewCtrl: ViewController) {
+  path: string;
+  windowHash: string;
+
+  constructor(location: Location, private viewCtrl: ViewController) {
     this.path = location.path();
-    this.viewCtrl = viewCtrl;
     console.log(`View1Cmp, path: ${this.path}`);
   }
+
   onPageDidEnter() {
     this.windowHash = window.location.hash;
   }
@@ -18,11 +22,14 @@ class View1Cmp {
 
 @Page({templateUrl: 'view2.html'})
 class View2Cmp {
-  constructor(location: Location, viewCtrl: ViewController) {
+  path: string;
+  windowHash: string;
+
+  constructor(location: Location, private viewCtrl: ViewController) {
     this.path = location.path();
-    this.viewCtrl = viewCtrl;
     console.log(`View2Cmp, path: ${this.path}`);
   }
+
   onPageDidEnter() {
     this.windowHash = window.location.hash;
   }
@@ -31,12 +38,16 @@ class View2Cmp {
 
 @Page({templateUrl: 'view3.html'})
 class View3Cmp {
-  constructor(params: NavParams, location: Location, viewCtrl: ViewController) {
+  id: string;
+  path: string;
+  windowHash: string;
+
+  constructor(params: NavParams, location: Location, private viewCtrl: ViewController) {
     this.id = params.get('id');
     this.path = location.path();
-    this.viewCtrl = viewCtrl;
     console.log(`View3Cmp, path: ${this.path}, param id: ${this.id}`);
   }
+
   onPageDidEnter() {
     this.windowHash = window.location.hash;
   }
@@ -50,7 +61,5 @@ class View3Cmp {
   { path: '/3/:id', component: View3Cmp, as: 'Third' }
 ])
 class InboxApp {
-  constructor(location: Location) {
-    this.location = location;
-  }
+  constructor(private location: Location) {}
 }
diff --git a/ionic/components/tabs/test/advanced/index.ts b/ionic/components/tabs/test/advanced/index.ts
index 7756062ab3..f27b88e9c4 100644
--- a/ionic/components/tabs/test/advanced/index.ts
+++ b/ionic/components/tabs/test/advanced/index.ts
@@ -1,5 +1,6 @@
 import {ViewChild} from 'angular2/core';
-import {RouteConfig, Location} from 'angular2/router';
+import {RouteConfig} from 'angular2/router';
+import {Location} from 'angular2/platform/common';
 
 import {App, Page, NavController, NavParams, Modal, ViewController, Tabs} from 'ionic-angular';
 
@@ -64,14 +65,12 @@ class ChatPage {
   templateUrl: './tabs.html'
 })
 class TabsPage {
+  tab1Root = Tab1Page1;
+  tab2Root = Tab2Page1;
+  tab3Root = Tab3Page1;
   @ViewChild(Tabs) tabs: Tabs;
 
-  constructor(private nav: NavController, private params: NavParams) {
-    this.tab1Root = Tab1Page1;
-    this.tab1Params = params;
-    this.tab2Root = Tab2Page1;
-    this.tab3Root = Tab3Page1;
-  }
+  constructor(private nav: NavController, private params: NavParams) {}
 
   ngAfterViewInit() {
     this.tabs.change.subscribe(tab => {
diff --git a/ionic/components/tabs/test/advanced/tabs.html b/ionic/components/tabs/test/advanced/tabs.html
index d104d78062..aba5d9491c 100644
--- a/ionic/components/tabs/test/advanced/tabs.html
+++ b/ionic/components/tabs/test/advanced/tabs.html
@@ -1,6 +1,6 @@
 
 <ion-tabs preloadTabs="false" (change)="onTabChange()">
-  <ion-tab tabTitle="Recents" tabIcon="call" [root]="tab1Root" [rootParams]="tab1Params"></ion-tab>
+  <ion-tab tabTitle="Recents" tabIcon="call" [root]="tab1Root" [rootParams]="params"></ion-tab>
   <ion-tab tabTitle="Favorites" tabIcon="star" [root]="tab2Root"></ion-tab>
   <ion-tab tabTitle="Settings" tabIcon="settings" [root]="tab3Root"></ion-tab>
   <ion-tab tabTitle="Chat" tabIcon="chatbubbles" (select)="chat()"></ion-tab>