Remove products from a specific category on the shop page in WooCommerce

functions.php

//Remove the outlet category from the shop page
add_action( 'pre_get_posts', 'custom_pre_get_posts_query' );
function custom_pre_get_posts_query( $q ) {

    if ( ! $q->is_main_query() ) return;
    if ( ! $q->is_post_type_archive() ) return;
    
    if ( ! is_admin() && is_shop() ) {
        $q->set( 'tax_query', array(array(
            'taxonomy' => 'product_cat',
            'field' => 'slug',
            'terms' => array( 'outlet' ), // Don't display products in the outlet category on the shop page
            'operator' => 'NOT IN'
        )));   
    }
    remove_action( 'pre_get_posts', 'custom_pre_get_posts_query' );
}