# Remove Block Styles on Classic Themes

> Stops the block library, classic theme and global styles stylesheets from loading on the front end. For classic themes and page builders that do not use blocks.

- Type: PHP
- Runs: Frontend only
- Category: [Performance](https://wpide.com/library/category/performance/)
- Tags: performance, css, blocks, classic-theme
- Author: WPIDE Team
- Installs: 0
- Updated: 2026-10-28
- Page: https://wpide.com/library/remove-block-library-css/

## Code

```php
add_action( 'wp_enqueue_scripts', function () {
    if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) {
        return;
    }

    wp_dequeue_style( 'wp-block-library' );
    wp_dequeue_style( 'wp-block-library-theme' );
    wp_dequeue_style( 'classic-theme-styles' );
    wp_dequeue_style( 'global-styles' );
}, 100 );
```

## Notes

Content made with blocks will lose its default styling. Block themes are skipped automatically.

## How to use it

Install the free WPIDE plugin (https://wordpress.org/plugins/wpide/), find "Remove Block Styles on Classic Themes" in its snippet library and add it in one click; or create a new PHP snippet in WPIDE (or any code snippets plugin) and paste the code above. More snippets: https://wpide.com/library/