diff --git modules/system/system.install modules/system/system.install
index 4292210..8751d50 100644
--- modules/system/system.install
+++ modules/system/system.install
@@ -2398,6 +2398,42 @@ function system_update_7052() {
 }
 
 /**
+ * Upgrade standard blocks and menus.
+ */
+function system_update_7053() {
+  // Navigation block is now defined in system module.
+  db_update('block')
+    ->fields(array('module' => 'system'))
+    ->condition('module', 'user')
+    ->condition('delta', 'navigation')
+    ->execute();
+
+  // Make the menus the same as those created in menu_install()
+  db_update('menu_custom')
+    ->fields(array('menu_name' => 'main-menu', 'title' => 'Main Menu', 'description' => 'The <em>Main</em> menu is used on many sites to show the major sections of the site, often in a top navigation bar.'))
+    ->condition('menu_name', 'primary-links')
+    ->execute();
+
+  db_update('menu_custom')
+    ->fields(array('menu_name' => 'secondary-menu', 'title' => 'Secondary Menu', 'description' => 'The <em>Secondary</em> menu is used on many sites for legal notices and contact pages.'))
+    ->condition('menu_name', 'secondary-links')
+    ->execute();
+
+  db_update('menu_custom')
+    ->fields(array('description' => 'The <em>Navigation</em> menu contains links intended for site visitors. Links are added to the <em>Navigation</em> menu automatically by some modules.'))
+    ->condition('menu_name', 'navigation')
+    ->execute();
+
+  db_insert('menu_custom')
+    ->fields(array('menu_name' => 'user-menu', 'title' => 'User Menu', 'description' => "The <em>User</em> menu contains links related to the user's account, as well as the 'Log out' link."))
+    ->execute();
+
+  db_insert('menu_custom')
+    ->fields(array('menu_name' => 'management', 'title' => 'Management', 'description' => "The <em>Management</em> menu contains links for administrative tasks."))
+    ->execute();
+}
+
+/**
  * @} End of "defgroup updates-6.x-to-7.x"
  * The next series of updates should start at 8000.
  */
