Remove items from the WordPress admin bar

remove-items-admin-bar.php

<?php

add_action( 'admin_bar_menu', 'prefix_remove_stuf_admin_bar', 999 );
function prefix_remove_stuf_admin_bar( $wp_admin_bar ) {

    $wp_admin_bar->remove_node( 'wp-logo' );
    $wp_admin_bar->remove_node( 'comments' );
    $wp_admin_bar->remove_node( 'wpseo-menu' );

    if ( !current_user_can( 'edit_others_pages' ) ) {
      $wp_admin_bar->remove_node( 'new-content' );
    }

    return  $wp_admin_bar;

}