diff --git a/includes/menu.inc b/includes/menu.inc
index 5582c45..43b22ce 100644
--- a/includes/menu.inc
+++ b/includes/menu.inc
@@ -2689,11 +2689,16 @@ function _menu_link_build($item) {
 function _menu_navigation_links_rebuild($menu) {
   // Add normal and suggested items as links.
   $menu_links = array();
+  $menu_drop = array();
   foreach ($menu as $path => $item) {
     if ($item['_visible']) {
       $menu_links[$path] = $item;
       $sort[$path] = $item['_number_parts'];
     }
+    // Identify MENU_CALLBACK items; used to discard records in menu_links.
+    if ($item['type'] === MENU_CALLBACK) {
+      $menu_drop[$path] = $item;
+    }
   }
   if ($menu_links) {
     // Keep an array of processed menu links, to allow menu_link_save() to
@@ -2767,10 +2772,12 @@ function _menu_navigation_links_rebuild($menu) {
         ->execute();
     }
   }
-  // Find any item whose router path does not exist any more.
+  // Find any item whose router path does not exist any more OR which has
+  // become a MENU_CALLBACK and needs deletion from the menu_links table.
+  $paths_drop = array_keys($menu_drop);
   $result = db_select('menu_links')
     ->fields('menu_links')
-    ->condition('router_path', $paths, 'NOT IN')
+    ->condition(db_or()->condition('router_path', $paths, 'NOT IN')->condition('router_path',$paths_drop, 'IN'))
     ->condition('external', 0)
     ->condition('updated', 0)
     ->condition('customized', 0)