diff --git a/_config.yml b/_config.yml
index 09001c9..f48d31b 100644
--- a/_config.yml
+++ b/_config.yml
@@ -5,8 +5,3 @@ github_username: sparkle-project
 
 # Build settings
 markdown: kramdown
-highlighter: rouge
-
-kramdown:
-  input: GFM
-  syntax_highlighter: rouge