diff --git a/themes/seven/vertical-tabs.css b/themes/seven/vertical-tabs.css
index 4007e2883f2..b5af7476968 100644
--- a/themes/seven/vertical-tabs.css
+++ b/themes/seven/vertical-tabs.css
@@ -40,6 +40,7 @@ div.vertical-tabs ul li.vertical-tab-button .summary {
 
 div.vertical-tabs ul li.vertical-tab-button a:hover {
   background: #fff;
+  text-decoration: none;
 }
 
 div.vertical-tabs ul li.selected a,