diff --git a/src/Microsoft.AspNetCore.Sockets.Client.Http/Microsoft.AspNetCore.Sockets.Client.Http.csproj b/src/Microsoft.AspNetCore.Sockets.Client.Http/Microsoft.AspNetCore.Sockets.Client.Http.csproj
index 1d5bfe2ba5..871c9c715f 100644
--- a/src/Microsoft.AspNetCore.Sockets.Client.Http/Microsoft.AspNetCore.Sockets.Client.Http.csproj
+++ b/src/Microsoft.AspNetCore.Sockets.Client.Http/Microsoft.AspNetCore.Sockets.Client.Http.csproj
@@ -24,7 +24,6 @@
     <PackageReference Include="System.Memory" Version="$(CoreFxVersion)" />
     <PackageReference Include="System.Numerics.Vectors" Version="$(CoreFxVersion)" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="$(CoreFxVersion)" />
-    <PackageReference Include="System.Text.Formatting" Version="$(CoreFxLabsVersion)" />
     <PackageReference Include="System.Threading.Tasks.Channels" Version="$(CoreFxLabsVersion)" />
   </ItemGroup>
 
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/BinaryMessageFormatterTests.cs b/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/BinaryMessageFormatterTests.cs
index 5ec6b5f211..d55a163771 100644
--- a/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/BinaryMessageFormatterTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/BinaryMessageFormatterTests.cs
@@ -1,9 +1,8 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
-using System.Buffers;
 using System.IO;
+using System.Linq;
 using System.Text;
 using Microsoft.AspNetCore.Sockets.Internal.Formatters;
 using Xunit;
@@ -56,7 +55,7 @@ namespace Microsoft.AspNetCore.Sockets.Tests.Internal.Formatters
 
             BinaryMessageFormatter.WriteMessage(payload, output);
 
-            Assert.Equal(encoded, output.ToArray().Slice(offset).ToArray());
+            Assert.Equal(encoded, output.ToArray().Skip(offset));
         }
 
         [Theory]
@@ -77,7 +76,7 @@ namespace Microsoft.AspNetCore.Sockets.Tests.Internal.Formatters
 
             BinaryMessageFormatter.WriteMessage(message, output);
 
-            Assert.Equal(encoded, output.ToArray().Slice(offset).ToArray());
+            Assert.Equal(encoded, output.ToArray().Skip(offset));
         }
     }
 }
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/TextMessageParserTests.cs b/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/TextMessageParserTests.cs
index f5501b44a0..8213e04a1f 100644
--- a/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/TextMessageParserTests.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/Formatters/TextMessageParserTests.cs
@@ -81,7 +81,6 @@ namespace Microsoft.AspNetCore.Sockets.Common.Tests.Internal.Formatters
             // Invalid because first character is a UTF-8 "continuation" character
             // We need to include the ':' so that
             ReadOnlyBuffer<byte> buffer = new byte[] { 0x48, 0x65, 0x80, 0x6C, 0x6F, (byte)':' };
-            var reader = new BytesReader(buffer);
             var ex = Assert.Throws<FormatException>(() =>
             {
                 TextMessageParser.TryParseMessage(ref buffer, out _);