diff --git a/README.md b/README.md
index 2992404b..57d96157 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,6 @@ Exported modules:
   * [`ActivityIndicator`](docs/components/ActivityIndicator.md)
   * [`Image`](docs/components/Image.md)
   * [`ListView`](docs/components/ListView.md)
-  * [`Portal`](docs/components/Portal.md)
   * [`ScrollView`](docs/components/ScrollView.md)
   * [`Text`](docs/components/Text.md)
   * [`TextInput`](docs/components/TextInput.md)
diff --git a/src/apis/AppRegistry/ReactNativeApp.js b/src/apis/AppRegistry/ReactNativeApp.js
index 8f9c9d76..09bc47fb 100644
--- a/src/apis/AppRegistry/ReactNativeApp.js
+++ b/src/apis/AppRegistry/ReactNativeApp.js
@@ -1,4 +1,3 @@
-import Portal from '../../components/Portal'
 import React, { Component, PropTypes } from 'react'
 import ReactDOM from 'react-dom'
 import StyleSheet from '../StyleSheet'
@@ -16,25 +15,15 @@ class ReactNativeApp extends Component {
 
     return (
       <View style={styles.appContainer}>
-        <RootComponent {...initialProps} ref={this._createRootRef} rootTag={rootTag} />
-        <Portal onModalVisibilityChanged={this._handleModalVisibilityChange} />
+        <RootComponent {...initialProps} rootTag={rootTag} />
       </View>
     )
   }
-
-  _createRootRef = (component) => {
-    this._root = component
-  }
-
-  _handleModalVisibilityChange = (modalVisible) => {
-    ReactDOM.findDOMNode(this._root).setAttribute('aria-hidden', `${modalVisible}`)
-  }
 }
 
 const styles = StyleSheet.create({
   /**
-   * Ensure that the application covers the whole screen. This prevents the
-   * Portal content from being clipped.
+   * Ensure that the application covers the whole screen.
    */
   appContainer: {
     position: 'absolute',
diff --git a/src/components/Portal/index.js b/src/components/Portal/index.js
deleted file mode 100644
index ba81ea1c..00000000
--- a/src/components/Portal/index.js
+++ /dev/null
@@ -1,153 +0,0 @@
-/**
- * Copyright 2015-present, Nicolas Gallagher
- * Copyright 2004-present, Facebook Inc.
- * All Rights Reserved.
- *
- * @flow
- */
-
-import Platform from '../../apis/Platform'
-import React, { Component, PropTypes } from 'react'
-import StyleSheet from '../../apis/StyleSheet'
-import View from '../View'
-
-let _portalRef: any
-// unique identifiers for modals
-let lastUsedTag = 0
-
-/**
- * A container that renders all the modals on top of everything else in the application.
- */
-class Portal extends Component {
-  static propTypes = {
-    onModalVisibilityChanged: PropTypes.func.isRequired
-  };
-
-  /**
-   * Create a new unique tag.
-   */
-  static allocateTag(): string {
-    return `__modal_${++lastUsedTag}`
-  }
-
-  /**
-   * Render a new modal.
-   */
-  static showModal(tag: string, component: any) {
-    if (!_portalRef) {
-      console.error('Calling showModal but no "Portal" has been rendered.')
-      return
-    }
-    _portalRef._showModal(tag, component)
-  }
-
-  /**
-   * Remove a modal from the collection of modals to be rendered.
-   */
-  static closeModal(tag: string) {
-    if (!_portalRef) {
-      console.error('Calling closeModal but no "Portal" has been rendered.')
-      return
-    }
-    _portalRef._closeModal(tag)
-  }
-
-  /**
-   * Get an array of all the open modals, as identified by their tag string.
-   */
-  static getOpenModals(): Array<string> {
-    if (!_portalRef) {
-      console.error('Calling getOpenModals but no "Portal" has been rendered.')
-      return []
-    }
-    return _portalRef._getOpenModals()
-  }
-
-  static notifyAccessibilityService() {
-    if (!_portalRef) {
-      console.error('Calling closeModal but no "Portal" has been rendered.')
-      return
-    }
-    _portalRef._notifyAccessibilityService()
-  }
-
-  constructor(props) {
-    super(props)
-    this.state = { modals: {} }
-    this._closeModal = this._closeModal.bind(this)
-    this._getOpenModals = this._getOpenModals.bind(this)
-    this._showModal = this._showModal.bind(this)
-  }
-
-  render() {
-    _portalRef = this
-    if (!this.state.modals) { return null }
-    const modals = []
-    for (const tag in this.state.modals) {
-      modals.push(this.state.modals[tag])
-    }
-    if (modals.length === 0) { return null }
-
-    return (
-      <View style={styles.root}>
-        {modals}
-      </View>
-    )
-  }
-
-  _closeModal(tag: string) {
-    if (!this.state.modals.hasOwnProperty(tag)) {
-      return
-    }
-    // We are about to close last modal, so Portal will disappear.
-    // Let's enable accessibility for application view.
-    if (this._getOpenModals().length === 1) {
-      this.props.onModalVisibilityChanged(false)
-    }
-    // This way state is chained through multiple calls to
-    // _showModal, _closeModal correctly.
-    this.setState((state) => {
-      const modals = state.modals
-      delete modals[tag]
-      return { modals }
-    })
-  }
-
-  _getOpenModals(): Array<string> {
-    return Object.keys(this.state.modals)
-  }
-
-  _notifyAccessibilityService() {
-    if (Platform.OS === 'web') {
-      // We need to send accessibility event in a new batch, as otherwise
-      // TextViews have no text set at the moment of populating event.
-    }
-  }
-
-  _showModal(tag: string, component: any) {
-    // We are about to open first modal, so Portal will appear.
-    // Let's disable accessibility for background view on Android.
-    if (this._getOpenModals().length === 0) {
-      this.props.onModalVisibilityChanged(true)
-    }
-    // This way state is chained through multiple calls to
-    // _showModal, _closeModal correctly.
-    this.setState((state) => {
-      const modals = state.modals
-      modals[tag] = component
-      return { modals }
-    })
-  }
-}
-
-const styles = StyleSheet.create({
-  root: {
-    position: 'absolute',
-    left: 0,
-    top: 0,
-    right: 0,
-    bottom: 0
-  }
-})
-
-module.exports = Portal
diff --git a/src/index.js b/src/index.js
index d2daef2b..907eb6ab 100644
--- a/src/index.js
+++ b/src/index.js
@@ -23,7 +23,6 @@ import UIManager from './apis/UIManager'
 import ActivityIndicator from './components/ActivityIndicator'
 import Image from './components/Image'
 import ListView from './components/ListView'
-import Portal from './components/Portal'
 import ScrollView from './components/ScrollView'
 import Text from './components/Text'
 import TextInput from './components/TextInput'
@@ -71,7 +70,6 @@ const ReactNative = {
   ActivityIndicator,
   Image,
   ListView,
-  Portal,
   ScrollView,
   Text,
   TextInput,