diff --git a/filesystem/File.php b/filesystem/File.php
index 5a626bbb2..8a004b4ab 100755
--- a/filesystem/File.php
+++ b/filesystem/File.php
@@ -49,7 +49,7 @@ class File extends DataObject {
 	 */
 	public static $allowed_extensions = array(
 		'','html','htm','xhtml','js','css',
-		'bmp','png','gif','jpg','jpeg','ico','pcx','tif','tiff','ai','eps',
+		'bmp','png','gif','jpg','jpeg','ico','pcx','tif','tiff',
 		'au','mid','midi','mpa','mp3','ogg','m4a','ra','wma','wav','cda',
 		'avi','mpg','mpeg','asf','wmv','m4v','mov','mkv','mp4','swf','flv','ram','rm',
 		'doc','docx','txt','rtf','xls','xlsx','pages',