Dequeue Gutenberg Block Library Styles

/**
 * Snippet Name:     Dequeue Gutenberg Block Library Styles
 * Snippet Author:   coding-bunny.com
 * Description:      Removes default Gutenberg styles to reduce frontend asset loading.
 */

add_action( 'wp_enqueue_scripts', 'cb_dequeue_gutenberg_styles', 110 );

function cb_dequeue_gutenberg_styles() {
    // Dequeue default Gutenberg block library styles.
    wp_dequeue_style( 'wp-block-library' );

    // Dequeue default Gutenberg block theme styles.
    wp_dequeue_style( 'wp-block-library-theme' );
}