remove mention of clearfix source from docs, closes #23578

diff --git a/docs/4.0/utilities/clearfix.md b/docs/4.0/utilities/clearfix.md
index 5b5727b1170bb1c1f0d276d9b1d81b1bbf28780b..d9de7fdf4704cbe8d47b44f89f487233ef7d8e86 100644 (file)
--- a/docs/4.0/utilities/clearfix.md
+++ b/docs/4.0/utilities/clearfix.md
@@ -6,7 +6,7 @@ group: utilities
 toc: true
 ---
 
-Easily clear `float`s by adding `.clearfix` **to the parent element**. Utilizes [the micro clearfix](http://nicolasgallagher.com/micro-clearfix-hack/) as popularized by Nicolas Gallagher. Can also be used as a mixin.
+Easily clear `float`s by adding `.clearfix` **to the parent element**. Can also be used as a mixin.
 
 {% highlight html %}
 <div class="clearfix">...</div>