To remove an unused JavaScript file from your WordPress site using the functions.php file, you can follow these steps:
Click on the “functions.php” file to open it in the editor. Scroll down to the bottom of the file and add the following code snippet:
/**
* Snippet Name: To Remove The Jetpack CSS Styles
* Snippet Author: https://wpproblog.com
*/
//Remove an unused JavaScript file from your WordPress site
add_filter( 'jetpack_implode_frontend_css', '__return_false' );
// Then, remove each CSS file, one at a time
function jeherve_remove_all_jp_css() {
wp_deregister_style( 'AtD_style' ); // After the Deadline
wp_deregister_style( 'jetpack_likes' ); // Likes
wp_deregister_style( 'jetpack_related-posts' ); //Related Posts
wp_deregister_style( 'jetpack-carousel' ); // Carousel
wp_deregister_style( 'grunion.css' ); // Grunion contact form
wp_deregister_style( 'the-neverending-homepage' ); // Infinite Scroll
wp_deregister_style( 'infinity-twentyten' ); // Infinite Scroll - Twentyten Theme
wp_deregister_style( 'infinity-twentyeleven' ); // Infinite Scroll - Twentyeleven Theme
wp_deregister_style( 'infinity-twentytwelve' ); // Infinite Scroll - Twentytwelve Theme
wp_deregister_style( 'noticons' ); // Notes
wp_deregister_style( 'post-by-email' ); // Post by Email
wp_deregister_style( 'publicize' ); // Publicize
wp_deregister_style( 'sharedaddy' ); // Sharedaddy
wp_deregister_style( 'sharing' ); // Sharing
wp_deregister_style( 'stats_reports_css' ); // Stats
wp_deregister_style( 'jetpack-widgets' ); // Widgets
wp_deregister_style( 'jetpack-slideshow' ); // Slideshows
wp_deregister_style( 'presentations' ); // Presentation shortcode
wp_deregister_style( 'jetpack-subscriptions' ); // Subscriptions
wp_deregister_style( 'tiled-gallery' ); // Tiled Galleries
wp_deregister_style( 'widget-conditions' ); // Widget Visibility
wp_deregister_style( 'jetpack_display_posts_widget' ); // Display Posts Widget
wp_deregister_style( 'gravatar-profile-widget' ); // Gravatar Widget
wp_deregister_style( 'widget-grid-and-list' ); // Top Posts widget
wp_deregister_style( 'jetpack-widgets' ); // Widgets
}
add_action('wp_print_styles', 'jeherve_remove_all_jp_css' );
By adding this code, you’re filtering the Jetpack CSS and telling WordPress not to load it on the frontend of your website.
Please note that modifying theme files directly from the WordPress dashboard can be risky, especially if you’re not familiar with coding or if you don’t have a child theme set up. It’s recommended to create a backup of your website before making any changes and consider using a child theme if you want to make more extensive modifications to your theme.
