diff --git a/core/includes/menu.inc b/core/includes/menu.inc
index 04f1f30..a1c8a01 100644
--- a/core/includes/menu.inc
+++ b/core/includes/menu.inc
@@ -119,11 +119,6 @@
 const MENU_VISIBLE_IN_TREE = 0x0002;
 
 /**
- * Internal menu flag -- menu item is visible in the breadcrumb.
- */
-const MENU_VISIBLE_IN_BREADCRUMB = 0x0004;
-
-/**
  * Internal menu flag -- menu item links back to its parent.
  */
 const MENU_LINKS_TO_PARENT = 0x0008;
@@ -163,7 +158,7 @@
  * the administrator. Use this for most menu items. It is the default value if
  * no menu item type is specified.
  */
-define('MENU_NORMAL_ITEM', MENU_VISIBLE_IN_TREE | MENU_VISIBLE_IN_BREADCRUMB);
+define('MENU_NORMAL_ITEM', MENU_VISIBLE_IN_TREE);
 
 /**
  * Menu type -- A hidden, internal callback, typically used for API calls.
@@ -181,32 +176,7 @@
  * Note for the value: 0x0010 was a flag which is no longer used, but this way
  * the values of MENU_CALLBACK and MENU_SUGGESTED_ITEM are separate.
  */
-define('MENU_SUGGESTED_ITEM', MENU_VISIBLE_IN_BREADCRUMB | 0x0010);
-
-/**
- * Menu type -- A task specific to the parent item, usually rendered as a tab.
- *
- * Local tasks are menu items that describe actions to be performed on their
- * parent item. An example is the path "node/52/edit", which performs the
- * "edit" task on "node/52".
- */
-define('MENU_LOCAL_TASK', MENU_IS_LOCAL_TASK | MENU_VISIBLE_IN_BREADCRUMB);
-
-/**
- * Menu type -- The "default" local task, which is initially active.
- *
- * Every set of local tasks should provide one "default" task, that links to the
- * same path as its parent when clicked.
- */
-define('MENU_DEFAULT_LOCAL_TASK', MENU_IS_LOCAL_TASK | MENU_LINKS_TO_PARENT | MENU_VISIBLE_IN_BREADCRUMB);
-
-/**
- * Menu type -- A task specific to the parent, which is never rendered.
- *
- * Sibling local tasks are not rendered themselves, but affect the active
- * trail and need their sibling tasks rendered as tabs.
- */
-define('MENU_SIBLING_LOCAL_TASK', MENU_IS_LOCAL_TASK | MENU_VISIBLE_IN_BREADCRUMB);
+define('MENU_SUGGESTED_ITEM', 0x0010);
 
 /**
  * @} End of "defgroup menu_item_types".
@@ -219,16 +189,6 @@
  */
 
 /**
- * Internal menu status code -- Menu item was not found.
- */
-const MENU_NOT_FOUND = 404;
-
-/**
- * Internal menu status code -- Menu item access is denied.
- */
-const MENU_ACCESS_DENIED = 403;
-
-/**
  * Internal menu status code -- Menu item inaccessible because site is offline.
  */
 const MENU_SITE_OFFLINE = 4;
@@ -248,12 +208,6 @@
  * Parameters for a menu tree.
  */
 
- /**
- * The maximum number of path elements for a menu callback
- */
-const MENU_MAX_PARTS = 9;
-
-
 /**
  * The maximum depth of a menu links tree - matches the number of p columns.
  *