diff --git a/BTCPayServer.Tests/UnitTest1.cs b/BTCPayServer.Tests/UnitTest1.cs
index 7f00bef2a..f3280dab6 100644
--- a/BTCPayServer.Tests/UnitTest1.cs
+++ b/BTCPayServer.Tests/UnitTest1.cs
@@ -350,57 +350,6 @@ namespace BTCPayServer.Tests
             }
         }
 
-        [Fact]
-        [Trait("Integration", "Integration")]
-        public void CanPayUsingBIP70()
-        {
-            using (var tester = ServerTester.Create())
-            {
-                tester.Start();
-                var user = tester.NewAccount();
-                user.GrantAccess();
-                user.RegisterDerivationScheme("BTC");
-                Assert.True(user.BitPay.TestAccess(Facade.Merchant));
-                var invoice = user.BitPay.CreateInvoice(new Invoice()
-                {
-                    Buyer = new Buyer() { email = "test@fwf.com" },
-                    Price = 5000.0m,
-                    Currency = "USD",
-                    PosData = "posData",
-                    OrderId = "orderId",
-                    //RedirectURL = redirect + "redirect",
-                    //NotificationURL = CallbackUri + "/notification",
-                    ItemDesc = "Some description",
-                    FullNotifications = true
-                }, Facade.Merchant);
-
-                Assert.False(invoice.Refundable);
-
-                var url = new BitcoinUrlBuilder(invoice.PaymentUrls.BIP72);
-                var request = url.GetPaymentRequest();
-                var payment = request.CreatePayment();
-
-                Transaction tx = new Transaction();
-                tx.Outputs.AddRange(request.Details.Outputs.Select(o => new TxOut(o.Amount, o.Script)));
-                var cashCow = tester.ExplorerNode;
-                tx = cashCow.FundRawTransaction(tx).Transaction;
-                tx = cashCow.SignRawTransaction(tx);
-
-                payment.Transactions.Add(tx);
-
-                payment.RefundTo.Add(new PaymentOutput(Money.Coins(1.0m), new Key().ScriptPubKey));
-                var ack = payment.SubmitPayment();
-                Assert.NotNull(ack);
-
-                Eventually(() =>
-                {
-                    var localInvoice = user.BitPay.GetInvoice(invoice.Id, Facade.Merchant);
-                    Assert.Equal("paid", localInvoice.Status);
-                    Assert.True(localInvoice.Refundable);
-                });
-            }
-        }
-
         [Fact]
         [Trait("Integration", "Integration")]
         public async Task CanSetLightningServer()
diff --git a/BTCPayServer/Controllers/InvoiceController.PaymentProtocol.cs b/BTCPayServer/Controllers/InvoiceController.PaymentProtocol.cs
deleted file mode 100644
index 40331e7f5..000000000
--- a/BTCPayServer/Controllers/InvoiceController.PaymentProtocol.cs
+++ /dev/null
@@ -1,117 +0,0 @@
-using System;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using BTCPayServer.Filters;
-using BTCPayServer.Logging;
-using BTCPayServer.Payments;
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Logging;
-using NBitcoin;
-using NBitcoin.Payment;
-
-namespace BTCPayServer.Controllers
-{
-    public partial class InvoiceController
-    {
-        [HttpGet]
-        [Route("i/{invoiceId}/{cryptoCode?}")]
-        [AcceptMediaTypeConstraint("application/bitcoin-paymentrequest")]
-        public async Task<IActionResult> GetInvoiceRequest(string invoiceId, string cryptoCode = null)
-        {
-            if (cryptoCode == null)
-                cryptoCode = "BTC";
-            var invoice = await _InvoiceRepository.GetInvoice(invoiceId);
-            var network = _NetworkProvider.GetNetwork(cryptoCode);
-            var paymentMethodId = new PaymentMethodId(cryptoCode, Payments.PaymentTypes.BTCLike);
-            if (invoice == null || invoice.IsExpired() || network == null || !invoice.Support(paymentMethodId))
-                return NotFound();
-
-            var dto = invoice.EntityToDTO(_NetworkProvider);
-            var paymentMethod = dto.CryptoInfo.First(c => c.GetpaymentMethodId() == paymentMethodId);
-            PaymentRequest request = new PaymentRequest
-            {
-                DetailsVersion = 1
-            };
-            request.Details.Expires = invoice.ExpirationTime;
-            request.Details.Memo = invoice.ProductInformation.ItemDesc;
-            request.Details.Network = network.NBitcoinNetwork;
-            request.Details.Outputs.Add(new PaymentOutput() { Amount = paymentMethod.Due, Script = BitcoinAddress.Create(paymentMethod.Address, network.NBitcoinNetwork).ScriptPubKey });
-            request.Details.MerchantData = Encoding.UTF8.GetBytes(invoice.Id);
-            request.Details.Time = DateTimeOffset.UtcNow;
-            request.Details.PaymentUrl = new Uri(invoice.ServerUrl.WithTrailingSlash() + ($"i/{invoice.Id}"), UriKind.Absolute);
-
-            var store = await _StoreRepository.FindStore(invoice.StoreId);
-            if (store == null)
-                throw new BitpayHttpException(401, "Unknown store");
-
-            if (store.StoreCertificate != null)
-            {
-                try
-                {
-                    request.Sign(store.StoreCertificate, PKIType.X509SHA256);
-                }
-                catch (Exception ex)
-                {
-                    Logs.PayServer.LogWarning(ex, "Error while signing payment request");
-                }
-            }
-
-            return new PaymentRequestActionResult(request);
-        }
-
-        [HttpPost]
-        [Route("i/{invoiceId}", Order = 99)]
-        [Route("i/{invoiceId}/{cryptoCode}", Order = 99)]
-        [MediaTypeConstraint("application/bitcoin-payment")]
-        public async Task<IActionResult> PostPayment(string invoiceId, string cryptoCode = null)
-        {
-            var invoice = await _InvoiceRepository.GetInvoice(invoiceId);
-            if (cryptoCode == null)
-                cryptoCode = "BTC";
-            var network = _NetworkProvider.GetNetwork(cryptoCode);
-            if (network == null || invoice == null || invoice.IsExpired() || !invoice.Support(new PaymentMethodId(cryptoCode, Payments.PaymentTypes.BTCLike)))
-                return NotFound();
-
-            var wallet = _WalletProvider.GetWallet(network);
-            if (wallet == null)
-                return NotFound();
-            var payment = PaymentMessage.Load(Request.Body, network.NBitcoinNetwork);
-            var unused = wallet.BroadcastTransactionsAsync(payment.Transactions);
-            await _InvoiceRepository.AddRefundsAsync(invoiceId, payment.RefundTo.Select(p => new TxOut(p.Amount, p.Script)).ToArray(), network.NBitcoinNetwork);
-            return new PaymentAckActionResult(payment.CreateACK(invoiceId + " is currently processing, thanks for your purchase..."));
-        }
-    }
-
-
-    public class PaymentRequestActionResult : IActionResult
-    {
-        PaymentRequest req;
-        public PaymentRequestActionResult(PaymentRequest req)
-        {
-            this.req = req;
-        }
-        public Task ExecuteResultAsync(ActionContext context)
-        {
-            context.HttpContext.Response.Headers["Content-Transfer-Encoding"] = "binary";
-            context.HttpContext.Response.ContentType = "application/bitcoin-paymentrequest";
-            req.WriteTo(context.HttpContext.Response.Body);
-            return Task.CompletedTask;
-        }
-    }
-    public class PaymentAckActionResult : IActionResult
-    {
-        PaymentACK req;
-        public PaymentAckActionResult(PaymentACK req)
-        {
-            this.req = req;
-        }
-        public Task ExecuteResultAsync(ActionContext context)
-        {
-            context.HttpContext.Response.Headers["Content-Transfer-Encoding"] = "binary";
-            context.HttpContext.Response.ContentType = "application/bitcoin-paymentack";
-            req.WriteTo(context.HttpContext.Response.Body);
-            return Task.CompletedTask;
-        }
-    }
-}
diff --git a/BTCPayServer/Controllers/InvoiceController.UI.cs b/BTCPayServer/Controllers/InvoiceController.UI.cs
index 5643de4e9..3eb98b64a 100644
--- a/BTCPayServer/Controllers/InvoiceController.UI.cs
+++ b/BTCPayServer/Controllers/InvoiceController.UI.cs
@@ -593,7 +593,11 @@ namespace BTCPayServer.Controllers
         [BitpayAPIConstraint(false)]
         public async Task<IActionResult> InvalidatePaidInvoice(string invoiceId)
         {
-            var invoice = await _InvoiceRepository.GetInvoice(invoiceId);
+            var invoice = (await _InvoiceRepository.GetInvoices(new InvoiceQuery()
+            {
+                InvoiceId = invoiceId,
+                UserId = GetUserId()
+            })).FirstOrDefault();
             if (invoice == null)
                 return NotFound();
             await _InvoiceRepository.UpdatePaidInvoiceToInvalid(invoiceId);