diff --git a/lib/pretty_hamlit/engine.rb b/lib/pretty_hamlit/engine.rb
index fa6fa08e..3452ff9d 100644
--- a/lib/pretty_hamlit/engine.rb
+++ b/lib/pretty_hamlit/engine.rb
@@ -11,7 +11,6 @@ module PrettyHamlit
       html_type:   nil,
       attr_quote:  "'",
       escape_html: true,
-      pretty:      true,
       buffer:      '_buf',
       autoclose:   %w(area base basefont br col command embed frame
                       hr img input isindex keygen link menuitem meta