Index: admin_menu.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/admin_menu/admin_menu.module,v
retrieving revision 1.43.2.17.2.17
diff -u -p -r1.43.2.17.2.17 admin_menu.module
--- admin_menu.module	11 Jul 2009 21:13:43 -0000	1.43.2.17.2.17
+++ admin_menu.module	12 Jul 2009 20:48:21 -0000
@@ -644,3 +644,14 @@ function admin_menu_form_devel_admin_set
   _admin_menu_form_devel_admin_settings_alter($form, $form_state);
 }
 
+/**
+ * Implementation of hook_user().
+ */
+function admin_menu_user($op, &$edit, &$account) {
+  switch ($op) {
+    case 'delete':
+      module_invoke('admin_menu', 'flush_caches');
+      break;
+  }
+}
+