.product-actions-row .product-actions-btn .btn + .btn,
.product-item-actions .btn.add-to-cart + .btn.add-to-cart,
form .btn.add-to-cart + .btn.add-to-cart {
  display: none !important;
  height: 0;
  padding: 0;
  overflow: hidden;
  visibility: hidden;
}