diff --git a/_config.yml b/_config.yml
index 235e31419c..48ca60cb5e 100644
--- a/_config.yml
+++ b/_config.yml
@@ -16,6 +16,7 @@ port:             9001
 baseurl:          /
 url:              http://getbootstrap.com
 encoding:         UTF-8
+exclude:          [assets/less/, assets/js/src/]
 
 # Custom vars
 current_version:  3.2.0