diff --git a/scripts/fiber/tests-failing.txt b/scripts/fiber/tests-failing.txt
index f91c436b8d..955d305f69 100644
--- a/scripts/fiber/tests-failing.txt
+++ b/scripts/fiber/tests-failing.txt
@@ -87,9 +87,6 @@ src/renderers/art/__tests__/ReactART-test.js
 * resolves refs before componentDidMount
 * resolves refs before componentDidUpdate
 
-src/renderers/dom/__tests__/ReactDOMProduction-test.js
-* should throw with an error code in production
-
 src/renderers/dom/shared/__tests__/CSSPropertyOperations-test.js
 * should set style attribute when styles exist
 * should warn when using hyphenated style names
diff --git a/scripts/fiber/tests-passing.txt b/scripts/fiber/tests-passing.txt
index 3046357ff1..b2d06adb72 100644
--- a/scripts/fiber/tests-passing.txt
+++ b/scripts/fiber/tests-passing.txt
@@ -438,6 +438,7 @@ src/renderers/dom/__tests__/ReactDOMProduction-test.js
 * should use prod React
 * should handle a simple flow
 * should call lifecycle methods
+* should throw with an error code in production
 
 src/renderers/dom/fiber/__tests__/ReactDOMFiber-test.js
 * should render strings as children
diff --git a/src/renderers/shared/fiber/ReactFiberBeginWork.js b/src/renderers/shared/fiber/ReactFiberBeginWork.js
index e1c2b1284b..15ba59a794 100644
--- a/src/renderers/shared/fiber/ReactFiberBeginWork.js
+++ b/src/renderers/shared/fiber/ReactFiberBeginWork.js
@@ -15,7 +15,7 @@
 import type { ReactCoroutine } from 'ReactCoroutine';
 import type { Fiber } from 'ReactFiber';
 import type { HostConfig } from 'ReactFiberReconciler';
-import type { PriorityLevel } from 'ReactPriorityLevel';
+import type { PriorityLevel } from 'ReactPriorityLevel';		
 import ReactCurrentOwner from 'ReactCurrentOwner';
 
 var {
diff --git a/src/renderers/shared/fiber/ReactFiberClassComponent.js b/src/renderers/shared/fiber/ReactFiberClassComponent.js
index db71854a12..df1ceaa3be 100644
--- a/src/renderers/shared/fiber/ReactFiberClassComponent.js
+++ b/src/renderers/shared/fiber/ReactFiberClassComponent.js
@@ -13,7 +13,6 @@
 'use strict';
 
 import type { Fiber } from 'ReactFiber';
-import type { PriorityLevel } from 'ReactPriorityLevel';
 import type { UpdateQueue } from 'ReactFiberUpdateQueue';
 
 var {