diff --git a/content/guides/author-libraries.md b/content/guides/author-libraries.md
index 85b2885a1c0f..bb131d7532c6 100644
--- a/content/guides/author-libraries.md
+++ b/content/guides/author-libraries.md
@@ -129,8 +129,6 @@ module.exports = {
 
 This means that your library expects a dependency named `lodash` to be available in the consumer's environment.
 
-If your library targets UMD, it's important to add all of the above mentioned ways of loading the external (`commonjs`, `commonjs2`, `amd` and `root`) as leaving one out will cause strange errors for a consumer trying to load your library in that environment.
-
 If you only plan on using your library as a dependency in another webpack bundle, you may specify externals as an array.
 
 ```javascript