Remove Unwanted Menu Items from the WordPress Dashboard

wp-remove-admin-menus.php

<?php

/* --------------------------------------------------------------------
Remove Unwanted Menu Items from the WordPress Dashboard
- Requires WordPress 3.1+
-------------------------------------------------------------------- */
function sb_remove_admin_menus (){

  // Check that the built-in WordPress function remove_menu_page() exists in the current installation
  if ( function_exists('remove_menu_page') ) { 

    /* Remove unwanted menu items by passing their slug to the remove_menu_item() function.
    You can comment out the items you want to keep. */

    remove_menu_page('index.php'); // Dashboard tab
    remove_menu_page('edit.php'); // Posts
    remove_menu_page('edit.php?post_type=page'); // Pages
    remove_menu_page('upload.php'); // Media
    remove_menu_page('link-manager.php'); // Links
    remove_menu_page('edit-comments.php'); // Comments
    remove_menu_page('themes.php'); // Appearance
    remove_menu_page('plugins.php'); // Plugins
    remove_menu_page('users.php'); // Users
    remove_menu_page('tools.php'); // Tools
    remove_menu_page('options-general.php'); // Settings

  }

}
// Add our function to the admin_menu action
add_action('admin_menu', 'sb_remove_admin_menus'); 

?>