diff --git a/lib/rpub.rb b/lib/rpub.rb
index <HASH>..<HASH> 100644
--- a/lib/rpub.rb
+++ b/lib/rpub.rb
@@ -48,7 +48,6 @@ module Rpub
   end
 
   KRAMDOWN_OPTIONS = {
-    :auto_ids => false,
     :coderay_line_numbers => nil
   }
 end
Do use auto IDs for TOC