diff --git a/_config.yml b/_config.yml
index 3f0d050..9643093 100644
--- a/_config.yml
+++ b/_config.yml
@@ -40,7 +40,6 @@ links:
 # http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
 timezone:    Europe/Stockholm
 future:      true
-highlighter:    true
 markdown:    kramdown
 
 # https://github.com/mojombo/jekyll/wiki/Permalinks
@@ -51,7 +50,6 @@ kramdown:
   footnote_nr: 1
   entity_output: as_char
   toc_levels: 1..6
-  enable_coderay: false
 
   syntax_highlighter_opts:
     line_numbers: