diff --git a/src/Components/Web/src/PublicAPI.Shipped.txt b/src/Components/Web/src/PublicAPI.Shipped.txt
index d82fff9ff3ea..d2d47a3c7652 100644
--- a/src/Components/Web/src/PublicAPI.Shipped.txt
+++ b/src/Components/Web/src/PublicAPI.Shipped.txt
@@ -1,4 +1,4 @@
-#nullable enable
+#nullable enable
 Microsoft.AspNetCore.Components.BindInputElementAttribute
 Microsoft.AspNetCore.Components.BindInputElementAttribute.BindInputElementAttribute(string? type, string? suffix, string? valueAttribute, string? changeAttribute, bool isInvariantCulture, string? format) -> void
 Microsoft.AspNetCore.Components.BindInputElementAttribute.ChangeAttribute.get -> string?
@@ -334,7 +334,6 @@ Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize<TItem>.Placeholder
 Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize<TItem>.Placeholder.set -> void
 Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize<TItem>.RefreshDataAsync() -> System.Threading.Tasks.Task!
 Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize<TItem>.Virtualize() -> void
-Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions
 Microsoft.AspNetCore.Components.Web.WebRenderTreeBuilderExtensions
 Microsoft.AspNetCore.Components.Web.WheelEventArgs
 Microsoft.AspNetCore.Components.Web.WheelEventArgs.DeltaMode.get -> long
@@ -386,26 +385,6 @@ static Microsoft.AspNetCore.Components.Forms.BrowserFileExtensions.RequestImageF
 static Microsoft.AspNetCore.Components.Forms.EditContextFieldClassExtensions.FieldCssClass(this Microsoft.AspNetCore.Components.Forms.EditContext! editContext, in Microsoft.AspNetCore.Components.Forms.FieldIdentifier fieldIdentifier) -> string!
 static Microsoft.AspNetCore.Components.Forms.EditContextFieldClassExtensions.FieldCssClass<TField>(this Microsoft.AspNetCore.Components.Forms.EditContext! editContext, System.Linq.Expressions.Expression<System.Func<TField>!>! accessor) -> string!
 static Microsoft.AspNetCore.Components.Forms.EditContextFieldClassExtensions.SetFieldCssClassProvider(this Microsoft.AspNetCore.Components.Forms.EditContext! editContext, Microsoft.AspNetCore.Components.Forms.FieldCssClassProvider! fieldCssClassProvider) -> void
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.ClipboardEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ClipboardEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.DragEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.DragEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.ErrorEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ErrorEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.FocusEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.FocusEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.KeyboardEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.KeyboardEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.MouseEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.MouseEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.PointerEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.PointerEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.ProgressEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ProgressEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.TouchEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.TouchEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Action<Microsoft.AspNetCore.Components.Web.WheelEventArgs!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.WheelEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.ClipboardEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ClipboardEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.DragEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.DragEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.ErrorEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ErrorEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.FocusEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.FocusEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.KeyboardEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.KeyboardEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.MouseEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.MouseEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.PointerEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.PointerEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.ProgressEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.ProgressEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.TouchEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.TouchEventArgs!>
-static Microsoft.AspNetCore.Components.Web.WebEventCallbackFactoryEventArgsExtensions.Create(this Microsoft.AspNetCore.Components.EventCallbackFactory! factory, object! receiver, System.Func<Microsoft.AspNetCore.Components.Web.WheelEventArgs!, System.Threading.Tasks.Task!>! callback) -> Microsoft.AspNetCore.Components.EventCallback<Microsoft.AspNetCore.Components.Web.WheelEventArgs!>
 static Microsoft.AspNetCore.Components.Web.WebRenderTreeBuilderExtensions.AddEventPreventDefaultAttribute(this Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder! builder, int sequence, string! eventName, bool value) -> void
 static Microsoft.AspNetCore.Components.Web.WebRenderTreeBuilderExtensions.AddEventStopPropagationAttribute(this Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder! builder, int sequence, string! eventName, bool value) -> void
 virtual Microsoft.AspNetCore.Components.Forms.FieldCssClassProvider.GetFieldCssClass(Microsoft.AspNetCore.Components.Forms.EditContext! editContext, in Microsoft.AspNetCore.Components.Forms.FieldIdentifier fieldIdentifier) -> string!
diff --git a/src/Components/Web/src/Web/WebEventCallbackFactoryEventArgsExtensions.cs b/src/Components/Web/src/Web/WebEventCallbackFactoryEventArgsExtensions.cs
deleted file mode 100644
index d7f7d01ae205..000000000000
--- a/src/Components/Web/src/Web/WebEventCallbackFactoryEventArgsExtensions.cs
+++ /dev/null
@@ -1,373 +0,0 @@
-// 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.Threading.Tasks;
-
-namespace Microsoft.AspNetCore.Components.Web
-{
-    /// <summary>
-    /// Provides extension methods for <see cref="EventCallbackFactory"/> and <see cref="EventArgs"/> types.
-    /// </summary>
-    public static class WebEventCallbackFactoryEventArgsExtensions
-    {
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ClipboardEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<ClipboardEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ClipboardEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ClipboardEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<ClipboardEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ClipboardEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<DragEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<DragEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<DragEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<DragEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<DragEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<DragEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ErrorEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<ErrorEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ErrorEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ErrorEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<ErrorEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ErrorEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<FocusEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<FocusEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<FocusEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<FocusEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<FocusEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<FocusEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<KeyboardEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<KeyboardEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<KeyboardEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<KeyboardEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<KeyboardEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<KeyboardEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<MouseEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<MouseEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<MouseEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<MouseEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<MouseEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<MouseEventArgs>(receiver, callback);
-        }
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<PointerEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<PointerEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<PointerEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<PointerEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<PointerEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<PointerEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ProgressEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<ProgressEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ProgressEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<ProgressEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<ProgressEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<ProgressEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<TouchEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<TouchEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<TouchEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<TouchEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<TouchEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<TouchEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<WheelEventArgs> Create(this EventCallbackFactory factory, object receiver, Action<WheelEventArgs> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<WheelEventArgs>(receiver, callback);
-        }
-
-        /// <summary>
-        /// Creates an <see cref="EventCallback"/> for the provided <paramref name="receiver"/> and
-        /// <paramref name="callback"/>.
-        /// </summary>
-        /// <param name="factory">The <see cref="EventCallbackFactory"/>.</param>
-        /// <param name="receiver">The event receiver.</param>
-        /// <param name="callback">The event callback.</param>
-        /// <returns>The <see cref="EventCallback"/>.</returns>
-        public static EventCallback<WheelEventArgs> Create(this EventCallbackFactory factory, object receiver, Func<WheelEventArgs, Task> callback)
-        {
-            if (factory == null)
-            {
-                throw new ArgumentNullException(nameof(factory));
-            }
-
-            return factory.Create<WheelEventArgs>(receiver, callback);
-        }
-    }
-}