diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index eb3ce37e313..0f4d842f433 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -331,7 +331,6 @@ li {
 nav.sub {
 	position: relative;
 	font-size: 1rem;
-	text-transform: uppercase;
 }
 
 .sub-container {