diff --git a/packages/react-dom/src/client/ReactDOM.js b/packages/react-dom/src/client/ReactDOM.js
index d257ac9679863..a3639e2109e50 100644
--- a/packages/react-dom/src/client/ReactDOM.js
+++ b/packages/react-dom/src/client/ReactDOM.js
@@ -21,7 +21,7 @@ import './ReactDOMClientInjection';
 
 import ReactFiberReconciler from 'react-reconciler';
 // TODO: direct imports like some-package/src/* are bad. Fix me.
-import * as ReactPortal from 'react-reconciler/src/ReactPortal';
+import * as ReactPortal from 'shared/ReactPortal';
 import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
 import * as ReactGenericBatching from 'events/ReactGenericBatching';
 import * as ReactControlledComponent from 'events/ReactControlledComponent';
diff --git a/packages/react-native-renderer/src/ReactNativeRenderer.js b/packages/react-native-renderer/src/ReactNativeRenderer.js
index 89ec15c3c0488..792bca955f329 100644
--- a/packages/react-native-renderer/src/ReactNativeRenderer.js
+++ b/packages/react-native-renderer/src/ReactNativeRenderer.js
@@ -12,7 +12,7 @@ import type {ReactNodeList} from 'shared/ReactTypes';
 
 import './ReactNativeInjection';
 
-import * as ReactPortal from 'react-reconciler/src/ReactPortal';
+import * as ReactPortal from 'shared/ReactPortal';
 import * as ReactGenericBatching from 'events/ReactGenericBatching';
 import TouchHistoryMath from 'events/TouchHistoryMath';
 import * as ReactGlobalSharedState from 'shared/ReactGlobalSharedState';
diff --git a/packages/react-noop-renderer/src/ReactNoop.js b/packages/react-noop-renderer/src/ReactNoop.js
index f472da3a975d0..ab778ddbce658 100644
--- a/packages/react-noop-renderer/src/ReactNoop.js
+++ b/packages/react-noop-renderer/src/ReactNoop.js
@@ -16,10 +16,11 @@
 
 import type {Fiber} from 'react-reconciler/src/ReactFiber';
 import type {UpdateQueue} from 'react-reconciler/src/ReactFiberUpdateQueue';
-
+import type {ReactNodeList} from 'shared/ReactTypes';
 import ReactFiberReconciler from 'react-reconciler';
 import {enablePersistentReconciler} from 'shared/ReactFeatureFlags';
 import * as ReactInstanceMap from 'shared/ReactInstanceMap';
+import * as ReactPortal from 'shared/ReactPortal';
 import emptyObject from 'fbjs/lib/emptyObject';
 import expect from 'expect';
 
@@ -318,6 +319,14 @@ var ReactNoop = {
     }
   },
 
+  createPortal(
+    children: ReactNodeList,
+    container: Container,
+    key: ?string = null,
+  ) {
+    return ReactPortal.createPortal(children, container, null, key);
+  },
+
   // Shortcut for testing a single root
   render(element: React$Element<any>, callback: ?Function) {
     ReactNoop.renderToRootWithID(element, DEFAULT_ROOT_ID, callback);
diff --git a/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js b/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
index 8738e14c68638..e1e21dc2fc096 100644
--- a/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
@@ -13,7 +13,6 @@ describe('ReactDebugFiberPerf', () => {
   let React;
   let ReactCallReturn;
   let ReactNoop;
-  let ReactPortal;
   let PropTypes;
 
   let root;
@@ -121,8 +120,6 @@ describe('ReactDebugFiberPerf', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     ReactCallReturn = require('react-call-return');
-    // TODO: can we express this test with only public API?
-    ReactPortal = require('../ReactPortal');
     PropTypes = require('prop-types');
   });
 
@@ -514,9 +511,7 @@ describe('ReactDebugFiberPerf', () => {
   it('supports portals', () => {
     const noopContainer = {children: []};
     ReactNoop.render(
-      <Parent>
-        {ReactPortal.createPortal(<Child />, noopContainer, null)}
-      </Parent>,
+      <Parent>{ReactNoop.createPortal(<Child />, noopContainer, null)}</Parent>,
     );
     ReactNoop.flush();
     expect(getFlameChart()).toMatchSnapshot();
diff --git a/packages/react-reconciler/src/__tests__/ReactPersistent-test.internal.js b/packages/react-reconciler/src/__tests__/ReactPersistent-test.internal.js
index 48e7b646ff9d2..bba8cde849b9d 100644
--- a/packages/react-reconciler/src/__tests__/ReactPersistent-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactPersistent-test.internal.js
@@ -24,7 +24,7 @@ describe('ReactPersistent', () => {
 
     React = require('react');
     ReactNoop = require('react-noop-renderer');
-    ReactPortal = require('../ReactPortal');
+    ReactPortal = require('shared/ReactPortal');
   });
 
   const DEFAULT_ROOT_ID = 'persistent-test';
diff --git a/packages/react-rt-renderer/src/ReactNativeRT.js b/packages/react-rt-renderer/src/ReactNativeRT.js
index 97598139838ca..5b72f15fdee6a 100644
--- a/packages/react-rt-renderer/src/ReactNativeRT.js
+++ b/packages/react-rt-renderer/src/ReactNativeRT.js
@@ -19,7 +19,7 @@ import type {ReactNodeList} from 'shared/ReactTypes';
 import 'InitializeCore';
 import './ReactNativeRTEventEmitter';
 
-import * as ReactPortal from 'react-reconciler/src/ReactPortal';
+import * as ReactPortal from 'shared/ReactPortal';
 import * as ReactGenericBatching from 'events/ReactGenericBatching';
 import ReactVersion from 'shared/ReactVersion';
 
diff --git a/packages/react-reconciler/src/ReactPortal.js b/packages/shared/ReactPortal.js
similarity index 100%
rename from packages/react-reconciler/src/ReactPortal.js
rename to packages/shared/ReactPortal.js