diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 01b8509..b9be8ab 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -663,6 +663,9 @@ table.listing tbody td.new_replies {
     border: 1px solid #2C1F1C;
     background-color: #C1CFE5;
 }
+.message-list div.replies,
+    border-top: 0;
+;
 .message-list div.topic {
     -moz-border-radius-topleft: 5px;
     -moz-border-radius-topright: 5px;