diff --git a/mozilla/themes/classic/communicator/directory/directory.css b/mozilla/themes/classic/communicator/directory/directory.css
index dd13ec34796..1fa9c642d10 100644
--- a/mozilla/themes/classic/communicator/directory/directory.css
+++ b/mozilla/themes/classic/communicator/directory/directory.css
@@ -43,6 +43,11 @@
 
 @import url(chrome://communicator/skin/);
 
+#tree {
+  margin: 0px !important;
+  border: none;
+}
+
 /* Hide twisty for files */
 .treecell-indent[type="FILE"] > .tree-cell-twisty 
   {
diff --git a/mozilla/themes/modern/communicator/directory/directory.css b/mozilla/themes/modern/communicator/directory/directory.css
index bd1379fac6e..b3fde0761d2 100644
--- a/mozilla/themes/modern/communicator/directory/directory.css
+++ b/mozilla/themes/modern/communicator/directory/directory.css
@@ -29,6 +29,11 @@
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
+#tree {
+  margin: 0px !important;
+  border: none;
+}
+
 .treecell-filename {
   list-style-image: url("chrome://communicator/skin/directory/file-icon.gif");
 }