wordpress-dequeue.php

<?php
// Dequeue the junky styles and scripts that plugins inject into your template:
function dequeue_doubleup_styles() {
    wp_dequeue_style('stylesheet-id');
}
add_action('wp_print_styles', 'dequeue_doubleup_styles', 999);

function dequeue_doubleup_scripts() {
    wp_dequeue_script('script-id');
}
add_action('wp_enqueue_scripts', 'dequeue_doubleup_scripts', 999);