Code to Disable SKU for WooCommerce Single Product Page

/* Disable SKU for Single Product Page */
function wpflt_disable_sku_single_product_page( $enabled ) {
    if ( ! is_admin() && is_product() ) {
        return false;
    }
    return $enabled;
}
add_filter( 'wc_product_sku_enabled', 'wpflt_disable_sku_single_product_page' );

There can be reasons you may need to hide SKUs appearing on the Single Product Page. Some avoid it since SKUs create some confusion among novice buyers, and some use SKUs only for internal purposes.

Add the above code to your child theme’s functions.php to remove SKUs appearing on the WooCommerce Single Product Page.