if ( is_home() || is_front_page() ) {
    function remove_script() {
        wp_deregister_script('o2-compare-times');
        wp_deregister_script('o2-events');
        wp_deregister_script('o2-highlight-on-inview');
        wp_deregister_script('o2-highlight');
        wp_deregister_script('o2-is-valid-email');
        wp_deregister_script('o2-moment');
        wp_deregister_script('o2-raw-to-filtered');
        wp_deregister_script('o2-plugin-caret');
        wp_deregister_script('o2-plugin-placeholder');
        wp_deregister_script('o2-page-visibility');
        wp_deregister_script('o2-timestamp');
        wp_deregister_script('o2-polling');
        wp_deregister_script('o2-query');
        wp_deregister_script('o2-template');
        wp_deregister_script('o2-enquire');
        wp_deregister_script('o2-models-base');
        wp_deregister_script('o2-models-post');
        wp_deregister_script('o2-models-comment');
        wp_deregister_script('o2-models-page-meta');
        wp_deregister_script('o2-models-user');
        wp_deregister_script('o2-models-search-meta');
        wp_deregister_script('o2-collections-comments');
        wp_deregister_script('o2-collections-posts');
        wp_deregister_script('o2-collections-users');
        wp_deregister_script('o2-views-app-header');
        wp_deregister_script('o2-views-comment');
        wp_deregister_script('o2-views-new-post');
        wp_deregister_script('o2-views-post');
        wp_deregister_script('o2-views-no-posts-post');
        wp_deregister_script('o2-views-posts');
        wp_deregister_script('o2-views-app-footer');
        wp_deregister_script('o2-views-search-form');
        wp_deregister_script('o2-admin-discussion');
        wp_deregister_script('o2-cocktail');
        wp_deregister_script('o2-keyboard');
        wp_deregister_script('o2-moment');
        wp_deregister_script('utils');
        wp_deregister_script('o2-app');
    }
   add_action('wp_enqueue_scripts', 'remove_script', 5);
}