diff --git a/Rx.NET/Source/src/System.Reactive/Runtime/CompilerServices/TaskObservableMethodBuilder.cs b/Rx.NET/Source/src/System.Reactive/Runtime/CompilerServices/TaskObservableMethodBuilder.cs
index c7f650c9a4..26505e4ccd 100644
--- a/Rx.NET/Source/src/System.Reactive/Runtime/CompilerServices/TaskObservableMethodBuilder.cs
+++ b/Rx.NET/Source/src/System.Reactive/Runtime/CompilerServices/TaskObservableMethodBuilder.cs
@@ -203,7 +203,6 @@ private static void Rethrow(Exception exception)
         /// }
         /// </code>
         /// </remarks>
-        /// <typeparam name="T">The type of the elements in the sequence.</typeparam>
         internal sealed class TaskObservable : ITaskObservable<T>, ITaskObservableAwaiter<T>
         {
             /// <summary>