diff --git a/src/SourceBuild/patches/aspnetcore/0002-Silence-Ambiguous-FlushAsync.patch b/src/SourceBuild/patches/aspnetcore/0002-Silence-Ambiguous-FlushAsync.patch
deleted file mode 100644
index 13ae51227..000000000
--- a/src/SourceBuild/patches/aspnetcore/0002-Silence-Ambiguous-FlushAsync.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-From: Larry Ewing <lewing@microsoft.com>
-
-Backport: https://github.com/dotnet/aspnetcore/pull/47879.
-
-diff --git a/src/Logging.AzureAppServices/src/BlobLoggerProvider.cs b/src/Logging.AzureAppServices/src/BlobLoggerProvider.cs
-index b85d798418..5fda9ca1b3 100644
---- a/src/Logging.AzureAppServices/src/BlobLoggerProvider.cs
-+++ b/src/Logging.AzureAppServices/src/BlobLoggerProvider.cs
-@@ -76,7 +76,9 @@ public class BlobLoggerProvider : BatchingLoggerProvider
-                     writer.Write(logEvent.Message);
-                 }
- 
-+#pragma warning disable CA2016
-                 await writer.FlushAsync().ConfigureAwait(false);
-+#pragma warning restore CA2016
-                 var tryGetBuffer = stream.TryGetBuffer(out var buffer);
-                 System.Diagnostics.Debug.Assert(tryGetBuffer);
-                 await blob.AppendAsync(buffer, cancellationToken).ConfigureAwait(false);
-diff --git a/src/Middleware/HttpLogging/src/FileLoggerProcessor.cs b/src/Middleware/HttpLogging/src/FileLoggerProcessor.cs
-index 3f9a317fd5..d99d175f83 100644
---- a/src/Middleware/HttpLogging/src/FileLoggerProcessor.cs
-+++ b/src/Middleware/HttpLogging/src/FileLoggerProcessor.cs
-@@ -264,7 +264,7 @@ internal partial class FileLoggerProcessor : IAsyncDisposable
-             return;
-         }
-         await streamWriter.WriteLineAsync(message.AsMemory(), cancellationToken);
--        await streamWriter.FlushAsync();
-+        await streamWriter.FlushAsync(cancellationToken);
-     }
- 
-     // Virtual for testing
-diff --git a/src/Mvc/Mvc.Razor/src/RazorPageBase.cs b/src/Mvc/Mvc.Razor/src/RazorPageBase.cs
-index 07a187d48f..229896cc39 100644
---- a/src/Mvc/Mvc.Razor/src/RazorPageBase.cs
-+++ b/src/Mvc/Mvc.Razor/src/RazorPageBase.cs
-@@ -634,7 +634,7 @@ public abstract class RazorPageBase : IRazorPage
-     }
- 
-     /// <summary>
--    /// Invokes <see cref="TextWriter.FlushAsync"/> on <see cref="Output"/> and <see cref="m:Stream.FlushAsync"/>
-+    /// Invokes <see cref="TextWriter.FlushAsync()"/> on <see cref="Output"/> and <see cref="m:Stream.FlushAsync"/>
-     /// on the response stream, writing out any buffered content to the <see cref="HttpResponse.Body"/>.
-     /// </summary>
-     /// <returns>A <see cref="Task{HtmlString}"/> that represents the asynchronous flush operation and on