diff -uwbr moodle-2.1.3/mod/data//preset.php moodle/mod/data//preset.php
--- moodle-2.1.3/mod/data//preset.php   2011-11-15 13:25:55.000000000 +0100
+++ moodle/mod/data//preset.php 2011-11-30 11:04:16.000000000 +0100
@@ -184,8 +184,8 @@
             }

             $presetpath = data_preset_path($course, $userid, $shortname);
-            fulldelete($presetpath);
-
+            fulldelete($presetpath); //TODO still necessary?
+            data_delete_site_preset($shortname);
             $strdeleted = get_string('deleted', 'data');
             echo $OUTPUT->notification("$shortname $strdeleted", 'notifysuccess');
         } else if ($action == 'finishimport') {