function wc_product_has_unique_sku( $product_id, $sku ) {
	$data_store = WC_Data_Store::load( 'product' );
	$sku_found  = $data_store->is_existing_sku( $product_id, $sku );

	if ( apply_filters( 'wc_product_has_unique_sku', $sku_found, $product_id, $sku ) ) {
		return false;
	}

	return true;
}