Index: token_node.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/token/Attic/token_node.inc,v
retrieving revision 1.5.4.31
diff -u -p -r1.5.4.31 token_node.inc
--- token_node.inc	24 Sep 2010 22:47:29 -0000	1.5.4.31
+++ token_node.inc	30 Oct 2010 21:58:21 -0000
@@ -289,7 +289,6 @@ function book_token_values($type, $objec
       foreach ($trail_raw as $title) {
         $trail[] = check_plain($title);
       }
-      $book_title = isset($trail[0]) ? $trail[0] : '';
       $tokens = array();
       $tokens['book'] = $book;
       $tokens['book-raw'] = $book_raw;