Index: bp-themes/bp-default/_inc/css/default.css
===================================================================
--- bp-themes/bp-default/_inc/css/default.css	(revision 4387)
+++ bp-themes/bp-default/_inc/css/default.css	(working copy)
@@ -1407,7 +1407,6 @@ div.activity-comments {
 	position: relative;
 	margin: 0 0 0 75px;
 	width: auto;
-	overflow: hidden; /* IE fix */
 }
 body.activity-permalink div.activity-comments {
 	width: auto;
