diff --git a/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilder.cs b/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilder.cs
index 2dca887414..81fb12c56b 100644
--- a/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilder.cs
+++ b/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilder.cs
@@ -46,7 +46,7 @@ namespace Microsoft.AspNetCore.SignalR.Client
             var loggerFactory = ((IHubConnectionBuilder)this).GetLoggerFactory();
             var hubProtocol = ((IHubConnectionBuilder)this).GetHubProtocol();
 
-            return new HubConnection(connection, hubProtocol ?? new JsonHubProtocol(new JsonSerializer()), loggerFactory);
+            return new HubConnection(connection, hubProtocol ?? new JsonHubProtocol(), loggerFactory);
         }
 
         [EditorBrowsable(EditorBrowsableState.Never)]
diff --git a/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilderExtensions.cs b/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilderExtensions.cs
index fdfe9aef73..d060f8dda6 100644
--- a/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilderExtensions.cs
+++ b/src/Microsoft.AspNetCore.SignalR.Client.Core/HubConnectionBuilderExtensions.cs
@@ -18,13 +18,13 @@ namespace Microsoft.AspNetCore.SignalR.Client
 
         public static IHubConnectionBuilder WithJsonProtocol(this IHubConnectionBuilder hubConnectionBuilder)
         {
-            return hubConnectionBuilder.WithHubProtocol(new JsonHubProtocol(new JsonSerializer()));
+            return hubConnectionBuilder.WithHubProtocol(new JsonHubProtocol());
         }
 
         public static IHubConnectionBuilder WithMessagePackProtocol(this IHubConnectionBuilder hubConnectionBuilder)
         {
             return hubConnectionBuilder.WithHubProtocol(
-                new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext()));
+                new MessagePackHubProtocol());
         }
 
         public static IHubConnectionBuilder WithLoggerFactory(this IHubConnectionBuilder hubConnectionBuilder, ILoggerFactory loggerFactory)
diff --git a/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/JsonHubProtocol.cs b/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/JsonHubProtocol.cs
index 4bf45cd274..a4fc7cbe88 100644
--- a/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/JsonHubProtocol.cs
+++ b/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/JsonHubProtocol.cs
@@ -28,6 +28,15 @@ namespace Microsoft.AspNetCore.SignalR.Internal.Protocol
         // ONLY to be used for application payloads (args, return values, etc.)
         private JsonSerializer _payloadSerializer;
 
+        /// <summary>
+        /// Creates an instance of the <see cref="JsonHubProtocol"/> using the default <see cref="JsonSerializer"/>
+        /// to serialize application payloads (arguments, results, etc.). The serialization of the outer protocol can
+        /// NOT be changed using this serializer.
+        /// </summary>
+        public JsonHubProtocol()
+            : this(new JsonSerializer())
+        { }
+
         /// <summary>
         /// Creates an instance of the <see cref="JsonHubProtocol"/> using the specified <see cref="JsonSerializer"/>
         /// to serialize application payloads (arguments, results, etc.). The serialization of the outer protocol can
diff --git a/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/MessagePackHubProtocol.cs b/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/MessagePackHubProtocol.cs
index 77ad478fc1..c75c681222 100644
--- a/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/MessagePackHubProtocol.cs
+++ b/src/Microsoft.AspNetCore.SignalR.Common/Internal/Protocol/MessagePackHubProtocol.cs
@@ -26,6 +26,10 @@ namespace Microsoft.AspNetCore.SignalR.Internal.Protocol
 
         public ProtocolType Type => ProtocolType.Binary;
 
+        public MessagePackHubProtocol()
+            : this(CreateDefaultSerializationContext())
+        { }
+
         public MessagePackHubProtocol(SerializationContext serializationContext)
         {
             _serializationContext = serializationContext;
diff --git a/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/HubConnectionTests.cs b/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/HubConnectionTests.cs
index 39f7ab26ac..b56fecd10e 100644
--- a/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/HubConnectionTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/HubConnectionTests.cs
@@ -245,8 +245,8 @@ namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests
         public static IEnumerable<IHubProtocol> HubProtocols =>
             new IHubProtocol[]
             {
-                new JsonHubProtocol(new JsonSerializer()),
-                new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext()),
+                new JsonHubProtocol(),
+                new MessagePackHubProtocol(),
             };
 
         public static IEnumerable<TransportType> TransportTypes()
diff --git a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionExtensionsTests.cs b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionExtensionsTests.cs
index 4c2f15fc2d..34e0a4b9ae 100644
--- a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionExtensionsTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionExtensionsTests.cs
@@ -97,7 +97,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         private async Task InvokeOn(Action<HubConnection, TaskCompletionSource<object[]>> onAction, object[] args)
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             var handlerTcs = new TaskCompletionSource<object[]>();
             try
             {
@@ -169,7 +169,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task ConnectionClosedOnCallbackArgumentTypeMismatch()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             var closeTcs = new TaskCompletionSource<Exception>();
             hubConnection.Closed += e =>
             {
diff --git a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionProtocolTests.cs b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionProtocolTests.cs
index d88054e2b9..d51e309668 100644
--- a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionProtocolTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionProtocolTests.cs
@@ -26,7 +26,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task SendAsyncSendsANonBlockingInvocationMessage()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -50,7 +50,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task ClientSendsNegotationMessageWhenStartingConnection()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -69,7 +69,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task InvokeSendsAnInvocationMessage()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -93,7 +93,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task StreamSendsAnInvocationMessage()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -121,7 +121,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task InvokeCompletedWhenCompletionMessageReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -165,7 +165,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task InvokeYieldsResultWhenCompletionMessageReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -187,7 +187,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task StreamFailsIfCompletionMessageHasPayload()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -210,7 +210,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task InvokeFailsWithExceptionWhenCompletionWithErrorReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -233,7 +233,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task StreamFailsWithExceptionWhenCompletionWithErrorReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -256,7 +256,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task InvokeFailsWithErrorWhenStreamingItemReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -279,7 +279,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task StreamYieldsItemsAsTheyArrive()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync();
@@ -306,7 +306,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task HandlerRegisteredWithOnIsFiredWhenInvocationReceived()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
             var handlerCalled = new TaskCompletionSource<object[]>();
             try
             {
@@ -332,7 +332,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
             var connection = new TestConnection(TransferMode.Text);
 
             var hubConnection = new HubConnection(connection,
-                new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext()), new LoggerFactory());
+                new MessagePackHubProtocol(), new LoggerFactory());
             try
             {
                 await hubConnection.StartAsync().OrTimeout();
@@ -363,7 +363,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         {
             var connection = new TestConnection(TransferMode.Text);
             var hubConnection = new HubConnection(connection,
-                new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext()), new LoggerFactory());
+                new MessagePackHubProtocol(), new LoggerFactory());
 
             var invocationTcs = new TaskCompletionSource<int>();
             try
@@ -373,7 +373,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
 
                 using (var ms = new MemoryStream())
                 {
-                    new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext())
+                    new MessagePackHubProtocol()
                         .WriteMessage(new InvocationMessage("1", true, "MyMethod", 42), ms);
 
                     var invokeMessage = Convert.ToBase64String(ms.ToArray());
diff --git a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionTests.cs b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionTests.cs
index f21ffe604d..3a25409ee3 100644
--- a/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Client.Tests/HubConnectionTests.cs
@@ -100,7 +100,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task CannotCallInvokeOnClosedHubConnection()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
 
             await hubConnection.StartAsync();
             await hubConnection.DisposeAsync();
@@ -114,7 +114,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.Tests
         public async Task PendingInvocationsAreCancelledWhenConnectionClosesCleanly()
         {
             var connection = new TestConnection();
-            var hubConnection = new HubConnection(connection, new JsonHubProtocol(new JsonSerializer()), new LoggerFactory());
+            var hubConnection = new HubConnection(connection, new JsonHubProtocol(), new LoggerFactory());
 
             await hubConnection.StartAsync();
             var invokeTask = hubConnection.InvokeAsync<int>("testMethod");
diff --git a/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/JsonHubProtocolTests.cs b/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/JsonHubProtocolTests.cs
index cc652e1d42..c7d3e3cd20 100644
--- a/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/JsonHubProtocolTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/JsonHubProtocolTests.cs
@@ -119,7 +119,7 @@ namespace Microsoft.AspNetCore.SignalR.Common.Tests.Internal.Protocol
             input = Frame(input);
 
             var binder = new TestBinder();
-            var protocol = new JsonHubProtocol(new JsonSerializer());
+            var protocol = new JsonHubProtocol();
             var ex = Assert.Throws<FormatException>(() => protocol.TryParseMessages(Encoding.UTF8.GetBytes(input), binder, out var messages));
             Assert.Equal(expectedMessage, ex.Message);
         }
@@ -133,7 +133,7 @@ namespace Microsoft.AspNetCore.SignalR.Common.Tests.Internal.Protocol
             input = Frame(input);
 
             var binder = new TestBinder(paramTypes: new[] { typeof(int), typeof(string) }, returnType: typeof(bool));
-            var protocol = new JsonHubProtocol(new JsonSerializer());
+            var protocol = new JsonHubProtocol();
             var ex = Assert.Throws<FormatException>(() => protocol.TryParseMessages(Encoding.UTF8.GetBytes(input), binder, out var messages));
             Assert.Equal(expectedMessage, ex.Message);
         }
diff --git a/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/MessagePackHubProtocolTests.cs b/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/MessagePackHubProtocolTests.cs
index 32c45ae11d..18c2464bd3 100644
--- a/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/MessagePackHubProtocolTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Common.Tests/Internal/Protocol/MessagePackHubProtocolTests.cs
@@ -13,7 +13,7 @@ namespace Microsoft.AspNetCore.SignalR.Common.Tests.Internal.Protocol
     public class MessagePackHubProtocolTests
     {
         private static readonly MessagePackHubProtocol _hubProtocol
-            = new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext());
+            = new MessagePackHubProtocol();
 
         public static IEnumerable<object[]> TestMessages => new[]
         {
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/Internal/DefaultHubProtocolResolverTests.cs b/test/Microsoft.AspNetCore.SignalR.Tests/Internal/DefaultHubProtocolResolverTests.cs
index 0b3b604182..b0596994cd 100644
--- a/test/Microsoft.AspNetCore.SignalR.Tests/Internal/DefaultHubProtocolResolverTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/Internal/DefaultHubProtocolResolverTests.cs
@@ -41,8 +41,8 @@ namespace Microsoft.AspNetCore.SignalR.Common.Protocol.Tests
         public static IEnumerable<object[]> HubProtocols =>
             new[]
             {
-                new object[] { new JsonHubProtocol(new JsonSerializer()) },
-                new object[] { new MessagePackHubProtocol(MessagePackHubProtocol.CreateDefaultSerializationContext()) },
+                new object[] { new JsonHubProtocol() },
+                new object[] { new MessagePackHubProtocol() },
             };
     }
 }
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/TestClient.cs b/test/Microsoft.AspNetCore.SignalR.Tests/TestClient.cs
index 94725fdebe..516a38cab4 100644
--- a/test/Microsoft.AspNetCore.SignalR.Tests/TestClient.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/TestClient.cs
@@ -41,7 +41,7 @@ namespace Microsoft.AspNetCore.SignalR.Tests
             Connection.User = new ClaimsPrincipal(new ClaimsIdentity(new[] { new Claim(ClaimTypes.Name, Interlocked.Increment(ref _id).ToString()) }));
             Connection.Metadata["ConnectedTask"] = new TaskCompletionSource<bool>();
 
-            protocol = protocol ?? new JsonHubProtocol(new JsonSerializer());
+            protocol = protocol ?? new JsonHubProtocol();
             _protocolReaderWriter = new HubProtocolReaderWriter(protocol, new PassThroughEncoder());
 
             _cts = new CancellationTokenSource();