rl-theme/library/admin.php

<?php
/* 
This file handles the admin area and functions.
You can use this file to make changes to the
dashboard. Updates to this page are coming soon.
It's turned off by default, but you can call it
via the functions file.

Developed by: Eddie Machado
URL: http://themble.com/bones/
*/

/************* DASHBOARD WIDGETS *****************/

// disable default dashboard widgets
function disable_default_dashboard_widgets() {
	// remove_meta_box('dashboard_right_now', 'dashboard', 'core');    // Right Now Widget
	remove_meta_box('dashboard_recent_comments', 'dashboard', 'core'); // Comments Widget
	remove_meta_box('dashboard_incoming_links', 'dashboard', 'core');  // Incoming Links Widget
	remove_meta_box('dashboard_plugins', 'dashboard', 'core');         // Plugins Widget

	// remove_meta_box('dashboard_quick_press', 'dashboard', 'core');  // Quick Press Widget
	remove_meta_box('dashboard_recent_drafts', 'dashboard', 'core');   // Recent Drafts Widget
	remove_meta_box('dashboard_primary', 'dashboard', 'core');         // 
	remove_meta_box('dashboard_secondary', 'dashboard', 'core');       //
	
	/* plugin dashboard boxes */
	remove_meta_box('yoast_db_widget', 'dashboard', 'normal');         // Yoast's SEO Plugin Widget
	
	/* 
	have more plugin widgets you'd like to remove? 
	share them with us so we can get a list of 
	the most commonly used. :D
	https://github.com/eddiemachado/bones/issues
	*/
}

// removing the dashboard widgets
add_action('admin_menu', 'disable_default_dashboard_widgets');