diff --git a/core/src/global/ionic-global.ts b/core/src/global/ionic-global.ts
index c791906782..5e464e301f 100644
--- a/core/src/global/ionic-global.ts
+++ b/core/src/global/ionic-global.ts
@@ -3,19 +3,20 @@ import { configFromURL } from '../utils/config';
 import { isIOS } from '../utils/platform';
 import { Config } from './config';
 
-const Ionic = (window as any).Ionic = (window as any).Ionic || {};
+
+const Ionic = (window as any)['Ionic'] = (window as any)['Ionic'] || {};
 declare const Context: any;
 
 // queue used to coordinate DOM reads and
 // write in order to avoid layout thrashing
 Object.defineProperty(Ionic, 'queue', {
-  get: () => Context.queue
+  get: () => Context['queue']
 });
 
 // create the Ionic.config from raw config object (if it exists)
 // and convert Ionic.config into a ConfigApi that has a get() fn
-const config = Ionic.config = Context.config = new Config({
-  ...Ionic.config,
+const config = Ionic['config'] = Context['config'] = new Config({
+  ...Ionic['config'],
   ...configFromURL()
 });
 
diff --git a/core/src/index.ts b/core/src/index.ts
index a13bc822b1..7e6555bc6c 100644
--- a/core/src/index.ts
+++ b/core/src/index.ts
@@ -1,3 +1,5 @@
+
+// lifecycle
 export const enum ViewLifecycle {
   WillEnter = 'ionViewWillEnter',
   DidEnter = 'ionViewDidEnter',
@@ -6,10 +8,12 @@ export const enum ViewLifecycle {
   WillUnload = 'ionViewWillUnload',
 }
 
-// Util functions
+// util functions
 export * from './utils/helpers';
 export * from './utils/haptic';
 export * from './utils/framework-delegate';
 export * from './utils/platform';
 export * from './utils/config';
 
+// interface
+export * from './interface';
diff --git a/core/src/interface.d.ts b/core/src/interface.d.ts
index 1a7ed2dfc0..85b5da4741 100644
--- a/core/src/interface.d.ts
+++ b/core/src/interface.d.ts
@@ -21,9 +21,6 @@ export * from './components/toast/toast-interface';
 export * from './utils/input-interface';
 export * from './global/config';
 
-// export index
-export * from './index';
-
 export type Color = 'default'| 'primary' | 'secondary' | 'tertiary' | 'success' | 'warning' | 'danger' | 'light' | 'medium' | 'dark';
 export type Mode = 'ios' | 'md';
 export type ComponentRef = Function | HTMLElement | string;
diff --git a/core/src/utils/config.ts b/core/src/utils/config.ts
index 11208d0190..2b7e458ce5 100644
--- a/core/src/utils/config.ts
+++ b/core/src/utils/config.ts
@@ -1,18 +1,4 @@
 
-export function setupConfig(config: {[key: string]: any}) {
-  const win = window as any;
-  const Ionic = win.Ionic;
-  if (Ionic && Ionic.config && Ionic.config.constructor.name !== 'Object') {
-    console.error('ionic config was already initialized');
-    return;
-  }
-  win.Ionic = win.Ionic || {};
-  win.Ionic.config = {
-    ...win.Ionic.config,
-    ...config
-  };
-  return win.Ionic.config;
-}
 
 export function configFromURL() {
   const config: any = {};