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//rimuovo i pannelli in bacheca
add_action( 'admin_init', 'remove_dashboard_meta' );
function remove_dashboard_meta() {
	remove_action('welcome_panel', 'wp_welcome_panel');
  remove_meta_box( 'dashboard_incoming_links', 'dashboard', 'normal' );
  remove_meta_box( 'dashboard_plugins', 'dashboard', 'normal' );
  remove_meta_box( 'dashboard_primary', 'dashboard', 'side' );
  remove_meta_box( 'dashboard_secondary', 'dashboard', 'normal' );
  remove_meta_box( 'dashboard_quick_press', 'dashboard', 'side' );
  remove_meta_box( 'dashboard_recent_drafts', 'dashboard', 'side' );
  remove_meta_box( 'dashboard_recent_comments', 'dashboard', 'normal' );
  remove_meta_box( 'dashboard_right_now', 'dashboard', 'normal' );
  remove_meta_box( 'dashboard_activity', 'dashboard', 'normal');//since 3.8
}

<?php
add_action( 'admin_init', 'remove_dashboard_widgets' );
function remove_dashboard_widgets() {
	global $wp_meta_boxes;
	//print_r($wp_meta_boxes);
	unset($wp_meta_boxes['dashboard']['normal']['core']['pb_backupbuddy_stats']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['wordfence_activity_report_widget']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['wpseo-dashboard-overview']);
/*
	unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_incoming_links']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_drafts']);
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_comments']);
	unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);
	unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
*/
}
?>