diff --git a/scripts/rollup/bundles.js b/scripts/rollup/bundles.js
index 9d928ee2c9..44730dc9f9 100644
--- a/scripts/rollup/bundles.js
+++ b/scripts/rollup/bundles.js
@@ -49,7 +49,7 @@ const bundles = [
       'prop-types',
       'prop-types/checkPropTypes',
     ],
-    fbEntry: 'src/fb/ReactFBEntry',
+    fbEntry: 'src/isomorphic/ReactEntry',
     hasteName: 'React',
     isRenderer: false,
     label: 'core',
diff --git a/scripts/rollup/shims/facebook-www/PooledClass.js b/scripts/rollup/shims/facebook-www/PooledClass.js
deleted file mode 100644
index c93757440c..0000000000
--- a/scripts/rollup/shims/facebook-www/PooledClass.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- *
- * @providesModule PooledClass
- */
-
-'use strict';
-
-const {
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED,
-} = require('ReactDOM-fb');
-
-module.exports = __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.PooledClass;
diff --git a/scripts/rollup/shims/facebook-www/ReactChildren.js b/scripts/rollup/shims/facebook-www/ReactChildren.js
deleted file mode 100644
index 69fec72c99..0000000000
--- a/scripts/rollup/shims/facebook-www/ReactChildren.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- *
- * @providesModule ReactChildren
- */
-
-'use strict';
-
-const {__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED} = require('React');
-
-// TODO: can't reexport public API because of
-// mapIntoWithKeyPrefixInternal() dependency in an addon.
-module.exports =
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactChildren;
diff --git a/scripts/rollup/shims/facebook-www/flattenChildren.js b/scripts/rollup/shims/facebook-www/flattenChildren.js
deleted file mode 100644
index a87bac8167..0000000000
--- a/scripts/rollup/shims/facebook-www/flattenChildren.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- *
- * @providesModule flattenChildren
- */
-
-'use strict';
-
-const {__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED} = require('React');
-
-module.exports =
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.flattenChildren;
diff --git a/scripts/rollup/shims/facebook-www/getComponentName.js b/scripts/rollup/shims/facebook-www/getComponentName.js
deleted file mode 100644
index ec4d804719..0000000000
--- a/scripts/rollup/shims/facebook-www/getComponentName.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- *
- * @providesModule getComponentName
- */
-
-'use strict';
-
-const {__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED} = require('React');
-
-module.exports =
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.getComponentName;
diff --git a/scripts/rollup/shims/facebook-www/onlyChild.js b/scripts/rollup/shims/facebook-www/onlyChild.js
deleted file mode 100644
index eb706ab478..0000000000
--- a/scripts/rollup/shims/facebook-www/onlyChild.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- *
- * @providesModule onlyChild
- */
-'use strict';
-
-var {Children} = require('React');
-
-module.exports = Children.only;
diff --git a/src/fb/ReactFBEntry.js b/src/fb/ReactFBEntry.js
deleted file mode 100644
index d583f3ad36..0000000000
--- a/src/fb/ReactFBEntry.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * 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.
- */
-
-'use strict';
-
-var React = require('ReactEntry');
-
-// Add existing internal dependencies from www codebase.
-// The goal is to get rid of these with time or turn them into public APIs.
-Object.assign(React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, {
-  ReactChildren: require('ReactChildren'),
-  getComponentName: require('getComponentName'),
-  flattenChildren: require('flattenChildren'),
-});
-
-module.exports = React;