.xb-wishlist-products th:nth-child(2), /* Hide header Unit price */
.xb-wishlist-products th:nth-child(3), /* Hide header Stock status */
.xb-wishlist-products td:nth-child(2), /* Hide cell Unit price */
.xb-wishlist-products td:nth-child(3)  /* Hide cell Stock status */
{
  display: none !important;
}