diff --git a/doc/formats/html/header.html b/doc/formats/html/header.html
index ce59bb90c..e6bba6932 100644
--- a/doc/formats/html/header.html
+++ b/doc/formats/html/header.html
@@ -16,7 +16,6 @@ $search
 $mathjax
 <link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
 $extrastylesheet
-<!-- <style> .API-ref-list li { padding-bottom:5px; } </style> -->
 </head>
 <body>
 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
