diff --git a/apps/app/css-perf-test/main-page.ts b/apps/app/css-perf-test/main-page.ts
index c22a93868..eccc8d67c 100644
--- a/apps/app/css-perf-test/main-page.ts
+++ b/apps/app/css-perf-test/main-page.ts
@@ -1,4 +1,4 @@
-import {EventData as ObservableEventData } from "tns-core-modules/data/observable";
+import { EventData as ObservableEventData } from "tns-core-modules/data/observable";
 
 export function navigatedTo(args: ObservableEventData) {
     setTimeout(() => {
diff --git a/apps/app/cuteness.io/main-page.ts b/apps/app/cuteness.io/main-page.ts
index 6fc3b9429..b2a89b2c3 100644
--- a/apps/app/cuteness.io/main-page.ts
+++ b/apps/app/cuteness.io/main-page.ts
@@ -1,7 +1,7 @@
-import {EventData as ObservableEventData } from "tns-core-modules/data/observable";
+import { EventData as ObservableEventData } from "tns-core-modules/data/observable";
 import { Page } from "tns-core-modules/ui/page";
-import {ItemEventData as ListViewItemEventData } from "tns-core-modules/ui/list-view";
-import {topmost as topmostFrame } from "tns-core-modules/ui/frame";
+import { ItemEventData as ListViewItemEventData } from "tns-core-modules/ui/list-view";
+import { topmost as topmostFrame } from "tns-core-modules/ui/frame";
 import { AppViewModel } from "./reddit-app-view-model";
 
 var appViewModel = new AppViewModel();
diff --git a/tns-core-modules/ui/frame/frame.ios.ts b/tns-core-modules/ui/frame/frame.ios.ts
index 6ace89148..172245a7a 100644
--- a/tns-core-modules/ui/frame/frame.ios.ts
+++ b/tns-core-modules/ui/frame/frame.ios.ts
@@ -33,6 +33,12 @@ export class Frame extends FrameBase {
         this.nativeViewProtected = this._ios.controller.view;
     }
 
+    public disposeNativeView() {
+        this._ios.controller = null;
+        this.viewController = null;
+        super.disposeNativeView();
+    }
+
     public get ios(): iOSFrame {
         return this._ios;
     }
@@ -373,6 +379,7 @@ class UINavigationControllerImpl extends UINavigationController {
         const owner = this._owner.get();
         if (owner && owner.isLoaded && !owner.parent && !this.presentedViewController) {
             owner.callUnloaded();
+            owner._tearDownUI(true);
         }
     }
 
@@ -580,6 +587,10 @@ class iOSFrame implements iOSFrameDefinition {
         return this._controller;
     }
 
+    public set controller(value: UINavigationControllerImpl) {
+        this._controller = value;
+    }
+
     public get showNavigationBar(): boolean {
         return this._showNavigationBar;
     }