diff --git a/config.rb b/config.rb
index 3562c79..2abc672 100644
--- a/config.rb
+++ b/config.rb
@@ -253,7 +253,6 @@ configure :build do
     .txt
     .woff
   ]}
-  set :haml, { attr_wrapper: '"' }
   activate :minify_css
   activate :minify_html do |html|
     html.remove_quotes = false