diff --git a/crates/mdbook-html/front-end/css/ayu-highlight.css b/crates/mdbook-html/front-end/css/ayu-highlight.css
index 32c9432224..dba94b095d 100644
--- a/crates/mdbook-html/front-end/css/ayu-highlight.css
+++ b/crates/mdbook-html/front-end/css/ayu-highlight.css
@@ -13,7 +13,6 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 .hljs-comment,
 .hljs-quote {
   color: #5c6773;
-  font-style: italic;
 }
 
 .hljs-variable,