add_action( 'init', 'sliced_woocommerce_remove_filters' );
function sliced_woocommerce_remove_filters() {
	remove_filter( 'woocommerce_product_add_to_cart_text', 'sliced_woocommerce_custom_button_text' );
	remove_filter( 'woocommerce_product_single_add_to_cart_text', 'sliced_woocommerce_custom_button_text' );
}