diff --git a/docs/downloads.md b/docs/downloads.md
index 769c6b6ec9..accfa3cc36 100644
--- a/docs/downloads.md
+++ b/docs/downloads.md
@@ -76,7 +76,7 @@ React.renderComponent(...);
 
 If you'd like to use any [add-ons](/react/docs/addons.html), use `var React = require('react/addons');` instead.
 
-**Note:** by default, React will be in development mode. To use React in production mode, set the environment variable `NODE_ENV` to `production`. For use in node, this is sufficient; if you are using browserify, the [envify](https://github.com/hughsk/envify) transform is needed to make use of environment variables. A minifier that performs dead-code elimination such as [UglifyJS](https://github.com/mishoo/UglifyJS2) is recommended to completely remove the extra code present in development mode.
+**Note:** by default, React will be in development mode. To use React in production mode, set the environment variable `NODE_ENV` to `production`. A minifier that performs dead-code elimination such as [UglifyJS](https://github.com/mishoo/UglifyJS2) is recommended to completely remove the extra code present in development mode.
 
 ## Bower
 
diff --git a/npm-react/README.md b/npm-react/README.md
index b893636f4e..5821d8f568 100644
--- a/npm-react/README.md
+++ b/npm-react/README.md
@@ -7,7 +7,7 @@ want to [`browserify`](https://github.com/substack/node-browserify) your module
 
 **Note:** by default, React will be in development mode. The development version includes extra warnings about common mistakes, whereas the production version includes extra performance optimizations and strips all error messages.
 
-To use React in production mode, set the environment variable `NODE_ENV` to `production`. For use in node, this is sufficient; if you are using browserify, the [envify](https://github.com/hughsk/envify) transform is needed to make use of environment variables. A minifier that performs dead-code elimination such as [UglifyJS](https://github.com/mishoo/UglifyJS2) is recommended to completely remove the extra code present in development mode.
+To use React in production mode, set the environment variable `NODE_ENV` to `production`. A minifier that performs dead-code elimination such as [UglifyJS](https://github.com/mishoo/UglifyJS2) is recommended to completely remove the extra code present in development mode.
 
 ## Example Usage