diff --git a/modules/book/book.module b/modules/book/book.module
index fa116b8..e501c60 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -683,9 +683,9 @@ function book_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
       break;
     case 'presave':
       // Always save a revision for non-administrators.
-      if (!empty($node->book['bid']) && !user_access('administer nodes')) {
-        $node->revision = 1;
-      }
+#     if (!empty($node->book['bid']) && !user_access('administer nodes')) {
+#       $node->revision = 1;
+#     }
       // Make sure a new node gets a new menu link.
       if (empty($node->nid)) {
         $node->book['mlid'] = NULL;