diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 9785e1f54c1..5a8acc8af64 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -184,7 +184,6 @@ h4.code-header {
 }
 .code-header {
 	font-weight: 600;
-	border-bottom-style: none;
 	margin: 0;
 	padding: 0;
 }