diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index a07a9af..b9a852f 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -445,3 +445,13 @@ h1 :link, h1 :visited {
     margin-right: 0.2em;
     margin-bottom: 0.2em;
 }
+/* forum */
+
+table.listing thead th.moderator, 
+table.listing tbody td.moderator, 
+table.listing tbody th.moderator,
+table.listing thead th.time, 
+table.listing tbody td.time, 
+table.listing tbody th.time {
+    display: none;
+}