diff --git a/scripts/rollup/shims/facebook-www/DOMProperty.js b/scripts/rollup/shims/facebook-www/DOMProperty.js
index 36007aaec3..09bbc5012c 100644
--- a/scripts/rollup/shims/facebook-www/DOMProperty.js
+++ b/scripts/rollup/shims/facebook-www/DOMProperty.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule DOMProperty
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/EventPluginHub.js b/scripts/rollup/shims/facebook-www/EventPluginHub.js
index 40d1fe1162..e332f5ec80 100644
--- a/scripts/rollup/shims/facebook-www/EventPluginHub.js
+++ b/scripts/rollup/shims/facebook-www/EventPluginHub.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule EventPluginHub
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/EventPluginUtils.js b/scripts/rollup/shims/facebook-www/EventPluginUtils.js
index a3b5a59935..610db82c3a 100644
--- a/scripts/rollup/shims/facebook-www/EventPluginUtils.js
+++ b/scripts/rollup/shims/facebook-www/EventPluginUtils.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule EventPluginUtils
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/EventPropagators.js b/scripts/rollup/shims/facebook-www/EventPropagators.js
index 6bf63a3025..a7c17e2656 100644
--- a/scripts/rollup/shims/facebook-www/EventPropagators.js
+++ b/scripts/rollup/shims/facebook-www/EventPropagators.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule EventPropagators
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/PooledClass.js b/scripts/rollup/shims/facebook-www/PooledClass.js
index 565c9c362b..c93757440c 100644
--- a/scripts/rollup/shims/facebook-www/PooledClass.js
+++ b/scripts/rollup/shims/facebook-www/PooledClass.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule PooledClass
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactBrowserEventEmitter.js b/scripts/rollup/shims/facebook-www/ReactBrowserEventEmitter.js
index 8449b820ff..ce214f4ea1 100644
--- a/scripts/rollup/shims/facebook-www/ReactBrowserEventEmitter.js
+++ b/scripts/rollup/shims/facebook-www/ReactBrowserEventEmitter.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactBrowserEventEmitter
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactChildren.js b/scripts/rollup/shims/facebook-www/ReactChildren.js
index 0cfe8cf6be..021b8e6262 100644
--- a/scripts/rollup/shims/facebook-www/ReactChildren.js
+++ b/scripts/rollup/shims/facebook-www/ReactChildren.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactChildren
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactCurrentOwner.js b/scripts/rollup/shims/facebook-www/ReactCurrentOwner.js
index b7ae3ad863..17de73f260 100644
--- a/scripts/rollup/shims/facebook-www/ReactCurrentOwner.js
+++ b/scripts/rollup/shims/facebook-www/ReactCurrentOwner.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactCurrentOwner
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactDOMComponentTree.js b/scripts/rollup/shims/facebook-www/ReactDOMComponentTree.js
index afb20bfec1..9f3f214d6a 100644
--- a/scripts/rollup/shims/facebook-www/ReactDOMComponentTree.js
+++ b/scripts/rollup/shims/facebook-www/ReactDOMComponentTree.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactDOMComponentTree
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactDOMInputSelection.js b/scripts/rollup/shims/facebook-www/ReactDOMInputSelection.js
index 40f4557719..2725fd4d6c 100644
--- a/scripts/rollup/shims/facebook-www/ReactDOMInputSelection.js
+++ b/scripts/rollup/shims/facebook-www/ReactDOMInputSelection.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactDOMInputSelection
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactDOMSelection.js b/scripts/rollup/shims/facebook-www/ReactDOMSelection.js
index 5154cb9874..71c5fd1a60 100644
--- a/scripts/rollup/shims/facebook-www/ReactDOMSelection.js
+++ b/scripts/rollup/shims/facebook-www/ReactDOMSelection.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactDOMSelection
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactErrorUtils.js b/scripts/rollup/shims/facebook-www/ReactErrorUtils.js
index 1727cdba7b..0adabdd397 100644
--- a/scripts/rollup/shims/facebook-www/ReactErrorUtils.js
+++ b/scripts/rollup/shims/facebook-www/ReactErrorUtils.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactErrorUtils
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactFiberErrorLogger.js b/scripts/rollup/shims/facebook-www/ReactFiberErrorLogger.js
index 9f051514cc..771d62ddea 100644
--- a/scripts/rollup/shims/facebook-www/ReactFiberErrorLogger.js
+++ b/scripts/rollup/shims/facebook-www/ReactFiberErrorLogger.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactFiberErrorLogger
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactInputSelection.js b/scripts/rollup/shims/facebook-www/ReactInputSelection.js
index 1eb30aa6fd..a43bf82265 100644
--- a/scripts/rollup/shims/facebook-www/ReactInputSelection.js
+++ b/scripts/rollup/shims/facebook-www/ReactInputSelection.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactInputSelection
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactInstanceMap.js b/scripts/rollup/shims/facebook-www/ReactInstanceMap.js
index 07260ab89f..4543e98185 100644
--- a/scripts/rollup/shims/facebook-www/ReactInstanceMap.js
+++ b/scripts/rollup/shims/facebook-www/ReactInstanceMap.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactInstanceMap
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactPerf.js b/scripts/rollup/shims/facebook-www/ReactPerf.js
index 1d777ddf14..75835df0fa 100644
--- a/scripts/rollup/shims/facebook-www/ReactPerf.js
+++ b/scripts/rollup/shims/facebook-www/ReactPerf.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactPerf
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ReactTestUtils.js b/scripts/rollup/shims/facebook-www/ReactTestUtils.js
index f7a9c7d175..dafb421d1d 100644
--- a/scripts/rollup/shims/facebook-www/ReactTestUtils.js
+++ b/scripts/rollup/shims/facebook-www/ReactTestUtils.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactTestUtils
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/SyntheticEvent.js b/scripts/rollup/shims/facebook-www/SyntheticEvent.js
index c8d3a22e33..dc59584824 100644
--- a/scripts/rollup/shims/facebook-www/SyntheticEvent.js
+++ b/scripts/rollup/shims/facebook-www/SyntheticEvent.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule SyntheticEvent
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/SyntheticKeyboardEvent.js b/scripts/rollup/shims/facebook-www/SyntheticKeyboardEvent.js
index 4ca0db871c..f5ce292759 100644
--- a/scripts/rollup/shims/facebook-www/SyntheticKeyboardEvent.js
+++ b/scripts/rollup/shims/facebook-www/SyntheticKeyboardEvent.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule SyntheticKeyboardEvent
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/SyntheticMouseEvent.js b/scripts/rollup/shims/facebook-www/SyntheticMouseEvent.js
index 97e42801af..0d371be43d 100644
--- a/scripts/rollup/shims/facebook-www/SyntheticMouseEvent.js
+++ b/scripts/rollup/shims/facebook-www/SyntheticMouseEvent.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule SyntheticMouseEvent
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/SyntheticUIEvent.js b/scripts/rollup/shims/facebook-www/SyntheticUIEvent.js
index dd35f737f0..82a98fb3e3 100644
--- a/scripts/rollup/shims/facebook-www/SyntheticUIEvent.js
+++ b/scripts/rollup/shims/facebook-www/SyntheticUIEvent.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule SyntheticUIEvent
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/ViewportMetrics.js b/scripts/rollup/shims/facebook-www/ViewportMetrics.js
index c5e7286d21..02807a38a4 100644
--- a/scripts/rollup/shims/facebook-www/ViewportMetrics.js
+++ b/scripts/rollup/shims/facebook-www/ViewportMetrics.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ViewportMetrics
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/adler32.js b/scripts/rollup/shims/facebook-www/adler32.js
index fee1f09b01..e0db6a5562 100644
--- a/scripts/rollup/shims/facebook-www/adler32.js
+++ b/scripts/rollup/shims/facebook-www/adler32.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule adler32
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/findDOMNode.js b/scripts/rollup/shims/facebook-www/findDOMNode.js
index d1efcd3054..4ce72fd0d9 100644
--- a/scripts/rollup/shims/facebook-www/findDOMNode.js
+++ b/scripts/rollup/shims/facebook-www/findDOMNode.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule findDOMNode
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/flattenChildren.js b/scripts/rollup/shims/facebook-www/flattenChildren.js
index a728fd79d1..e0e76d6f17 100644
--- a/scripts/rollup/shims/facebook-www/flattenChildren.js
+++ b/scripts/rollup/shims/facebook-www/flattenChildren.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule flattenChildren
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/getComponentName.js b/scripts/rollup/shims/facebook-www/getComponentName.js
index fbad677f55..9dcdbb8f9a 100644
--- a/scripts/rollup/shims/facebook-www/getComponentName.js
+++ b/scripts/rollup/shims/facebook-www/getComponentName.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule getComponentName
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/getEventCharCode.js b/scripts/rollup/shims/facebook-www/getEventCharCode.js
index dae124e13e..dcaf75734c 100644
--- a/scripts/rollup/shims/facebook-www/getEventCharCode.js
+++ b/scripts/rollup/shims/facebook-www/getEventCharCode.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule getEventCharCode
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/getEventKey.js b/scripts/rollup/shims/facebook-www/getEventKey.js
index 44a0377b5d..d32166e4ac 100644
--- a/scripts/rollup/shims/facebook-www/getEventKey.js
+++ b/scripts/rollup/shims/facebook-www/getEventKey.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule getEventKey
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/getEventTarget.js b/scripts/rollup/shims/facebook-www/getEventTarget.js
index 37bb87693c..c7ab395956 100644
--- a/scripts/rollup/shims/facebook-www/getEventTarget.js
+++ b/scripts/rollup/shims/facebook-www/getEventTarget.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule getEventTarget
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/getVendorPrefixedEventName.js b/scripts/rollup/shims/facebook-www/getVendorPrefixedEventName.js
index f3ade0b2cd..fa4a5b1a8e 100644
--- a/scripts/rollup/shims/facebook-www/getVendorPrefixedEventName.js
+++ b/scripts/rollup/shims/facebook-www/getVendorPrefixedEventName.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule getVendorPrefixedEventName
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/isEventSupported.js b/scripts/rollup/shims/facebook-www/isEventSupported.js
index 363eb7860e..0de4f444a2 100644
--- a/scripts/rollup/shims/facebook-www/isEventSupported.js
+++ b/scripts/rollup/shims/facebook-www/isEventSupported.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule isEventSupported
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/setInnerHTML.js b/scripts/rollup/shims/facebook-www/setInnerHTML.js
index 360310cb1d..99c074803a 100644
--- a/scripts/rollup/shims/facebook-www/setInnerHTML.js
+++ b/scripts/rollup/shims/facebook-www/setInnerHTML.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule setInnerHTML
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/facebook-www/setTextContent.js b/scripts/rollup/shims/facebook-www/setTextContent.js
index 2b47f8b5e8..76ed7088d0 100644
--- a/scripts/rollup/shims/facebook-www/setTextContent.js
+++ b/scripts/rollup/shims/facebook-www/setTextContent.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule setTextContent
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/react-native/ReactDebugTool.js b/scripts/rollup/shims/react-native/ReactDebugTool.js
index ace94621c9..04abe07ff5 100644
--- a/scripts/rollup/shims/react-native/ReactDebugTool.js
+++ b/scripts/rollup/shims/react-native/ReactDebugTool.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactDebugTool
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/react-native/ReactErrorUtils.js b/scripts/rollup/shims/react-native/ReactErrorUtils.js
index 974f7d5b89..57c4dec8ba 100644
--- a/scripts/rollup/shims/react-native/ReactErrorUtils.js
+++ b/scripts/rollup/shims/react-native/ReactErrorUtils.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactErrorUtils
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/react-native/ReactPerf.js b/scripts/rollup/shims/react-native/ReactPerf.js
index d07ad1c569..e879d267a8 100644
--- a/scripts/rollup/shims/react-native/ReactPerf.js
+++ b/scripts/rollup/shims/react-native/ReactPerf.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactPerf
- * @flow
  */
 
 'use strict';
diff --git a/scripts/rollup/shims/react-native/TouchHistoryMath.js b/scripts/rollup/shims/react-native/TouchHistoryMath.js
index 3ec4f9629a..b50cb29684 100644
--- a/scripts/rollup/shims/react-native/TouchHistoryMath.js
+++ b/scripts/rollup/shims/react-native/TouchHistoryMath.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule TouchHistoryMath
- * @flow
  */
 
 'use strict';
diff --git a/src/renderers/dom/shared/eventPlugins/TapEventPlugin.js b/src/renderers/dom/shared/eventPlugins/TapEventPlugin.js
index 24a0d2eff6..bd780180cb 100644
--- a/src/renderers/dom/shared/eventPlugins/TapEventPlugin.js
+++ b/src/renderers/dom/shared/eventPlugins/TapEventPlugin.js
@@ -21,10 +21,6 @@ var ViewportMetrics = require('ViewportMetrics');
 var isStartish = EventPluginUtils.isStartish;
 var isEndish = EventPluginUtils.isEndish;
 
-import type {EventTypes, PluginModule} from 'PluginModuleType';
-import type {ReactInstance} from 'ReactInstanceType';
-import type {TopLevelTypes} from 'EventConstants';
-
 /**
  * We are extending the Flow 'Touch' declaration to enable using bracket
  * notation to access properties.
@@ -99,7 +95,7 @@ var dependencies = ['topMouseDown', 'topMouseMove', 'topMouseUp'].concat(
   touchEvents,
 );
 
-var eventTypes: EventTypes = {
+var eventTypes = {
   touchTap: {
     phasedRegistrationNames: {
       bubbled: 'onTouchTap',
@@ -113,14 +109,14 @@ var usedTouch = false;
 var usedTouchTime = 0;
 var TOUCH_DELAY = 1000;
 
-var TapEventPlugin: PluginModule<_Touch> = {
+var TapEventPlugin = {
   tapMoveThreshold: tapMoveThreshold,
 
   eventTypes: eventTypes,
 
   extractEvents: function(
-    topLevelType: TopLevelTypes,
-    targetInst: ReactInstance,
+    topLevelType: mixed,
+    targetInst: mixed,
     nativeEvent: _Touch,
     nativeEventTarget: EventTarget,
   ) {
diff --git a/src/shared/utils/flattenChildren.js b/src/shared/utils/flattenChildren.js
index 21a5da7140..879635466a 100644
--- a/src/shared/utils/flattenChildren.js
+++ b/src/shared/utils/flattenChildren.js
@@ -7,7 +7,6 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule flattenChildren
- * @flow
  */
 
 'use strict';
diff --git a/src/shared/utils/getComponentName.js b/src/shared/utils/getComponentName.js
index 76ee7278e1..93078a6ab4 100644
--- a/src/shared/utils/getComponentName.js
+++ b/src/shared/utils/getComponentName.js
@@ -6,7 +6,6 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
- * @flow
  * @providesModule getComponentName
  */