diff --git a/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryBuilderExtensions.cs b/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryBuilderExtensions.cs
deleted file mode 100644
index 7181518dfb..0000000000
--- a/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryBuilderExtensions.cs
+++ /dev/null
@@ -1,29 +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 Microsoft.AspNetCore.Antiforgery;
-
-namespace Microsoft.AspNetCore.Builder
-{
-    /// <summary>
-    /// Extension methods for configuring the antiforgery middleware.
-    /// </summary>
-    public static class AntiforgeryBuilderExtensions
-    {
-        /// <summary>
-        /// Adds the antiforgery middleware.
-        /// </summary>
-        /// <param name="app">The <see cref="IApplicationBuilder"/>.</param>
-        /// <returns>The <see cref="IApplicationBuilder"/>.</returns>
-        public static IApplicationBuilder UseAntiforgery(this IApplicationBuilder app)
-        {
-            if (app == null)
-            {
-                throw new ArgumentNullException(nameof(app));
-            }
-
-            return app.UseMiddleware<AntiforgeryMiddleware>();
-        }
-    }
-}
diff --git a/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryMiddleware.cs b/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryMiddleware.cs
deleted file mode 100644
index eccadfd699..0000000000
--- a/src/Microsoft.AspNetCore.Antiforgery/AntiforgeryMiddleware.cs
+++ /dev/null
@@ -1,65 +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;
-using Microsoft.AspNetCore.Antiforgery.Internal;
-using Microsoft.AspNetCore.Http;
-
-namespace Microsoft.AspNetCore.Antiforgery
-{
-    /// <summary>
-    /// A middleware implementation of antiforgery validation.
-    /// </summary>
-    public class AntiforgeryMiddleware
-    {
-        private readonly IAntiforgery _antiforgery;
-        private readonly RequestDelegate _next;
-
-        /// <summary>
-        /// Creates a new <see cref="AntiforgeryMiddleware"/>.
-        /// </summary>
-        /// <param name="next">The <see cref="RequestDelegate"/> for the next middleware.</param>
-        /// <param name="antiforgery">The <see cref="IAntiforgery"/>.</param>
-        public AntiforgeryMiddleware(RequestDelegate next, IAntiforgery antiforgery)
-        {
-            if (next == null)
-            {
-                throw new ArgumentNullException(nameof(next));
-            }
-
-            if (antiforgery == null)
-            {
-                throw new ArgumentNullException(nameof(antiforgery));
-            }
-
-            _next = next;
-            _antiforgery = antiforgery;
-        }
-
-        /// <summary>
-        /// Invokes the middleware for the given <paramref name="httpContext"/>.
-        /// </summary>
-        /// <param name="httpContext">The <see cref="HttpContext"/> associated with the current request.</param>
-        /// <returns>A <see cref="Task"/> which will be completed when execution of the middleware completes.</returns>
-        public async Task Invoke(HttpContext httpContext)
-        {
-            if (httpContext == null)
-            {
-                throw new ArgumentNullException(nameof(httpContext));
-            }
-
-            var handler = new AntiforgeryAuthenticationHandler(_antiforgery);
-            await handler.InitializeAsync(httpContext);
-
-            try
-            {
-                await _next(httpContext);
-            }
-            finally
-            {
-                handler.Teardown();
-            }
-        }
-    }
-}
diff --git a/src/Microsoft.AspNetCore.Antiforgery/IAntiforgery.cs b/src/Microsoft.AspNetCore.Antiforgery/IAntiforgery.cs
index d22828ef31..6ac2e44e37 100644
--- a/src/Microsoft.AspNetCore.Antiforgery/IAntiforgery.cs
+++ b/src/Microsoft.AspNetCore.Antiforgery/IAntiforgery.cs
@@ -1,7 +1,6 @@
 // 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.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 
@@ -47,18 +46,6 @@ namespace Microsoft.AspNetCore.Antiforgery
         /// </returns>
         Task<bool> IsRequestValidAsync(HttpContext httpContext);
 
-        /// <summary>
-        /// Asynchronously returns a value indicating whether the request passes antiforgery validation. If the
-        /// request uses a safe HTTP method (GET, HEAD, OPTIONS, TRACE), the antiforgery token is not validated.
-        /// </summary>
-        /// <param name="httpContext">The <see cref="HttpContext"/> associated with the current request.</param>
-        /// <param name="principal">The claims-based principal to validate.</param>
-        /// <returns>
-        /// A <see cref="Task{Boolean}"/> that, when completed, returns <c>true</c> if the is requst uses a safe HTTP
-        /// method or contains a value antiforgery token, otherwise returns <c>false</c>.
-        /// </returns>
-        Task<bool> IsRequestValidAsync(HttpContext httpContext, ClaimsPrincipal principal);
-
         /// <summary>
         /// Validates an antiforgery token that was supplied as part of the request.
         /// </summary>
@@ -68,16 +55,6 @@ namespace Microsoft.AspNetCore.Antiforgery
         /// </exception>
         Task ValidateRequestAsync(HttpContext httpContext);
 
-        /// <summary>
-        /// Validates an antiforgery token that was supplied as part of the request.
-        /// </summary>
-        /// <param name="httpContext">The <see cref="HttpContext"/> associated with the current request.</param>
-        /// <param name="principal">The claims-based principal to validate.</param>
-        /// <exception cref="AntiforgeryValidationException">
-        /// Thrown when the request does not include a valid antiforgery token.
-        /// </exception>
-        Task ValidateRequestAsync(HttpContext httpContext, ClaimsPrincipal principal);
-
         /// <summary>
         /// Generates and stores an antiforgery cookie token if one is not available or not valid.
         /// </summary>
diff --git a/src/Microsoft.AspNetCore.Antiforgery/Internal/AntiforgeryAuthenticationHandler.cs b/src/Microsoft.AspNetCore.Antiforgery/Internal/AntiforgeryAuthenticationHandler.cs
deleted file mode 100644
index cffa86c5e4..0000000000
--- a/src/Microsoft.AspNetCore.Antiforgery/Internal/AntiforgeryAuthenticationHandler.cs
+++ /dev/null
@@ -1,160 +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;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Features.Authentication;
-
-namespace Microsoft.AspNetCore.Antiforgery.Internal
-{
-    public class AntiforgeryAuthenticationHandler : IAuthenticationHandler
-    {
-        private readonly IAntiforgery _antiforgery;
-        private HttpContext _httpContext;
-        private IAuthenticationHandler _priorHandler;
-
-        public AntiforgeryAuthenticationHandler(IAntiforgery antiforgery)
-        {
-            if (antiforgery == null)
-            {
-                throw new ArgumentNullException(nameof(antiforgery));
-            }
-
-            _antiforgery = antiforgery;
-        }
-
-        public async Task InitializeAsync(HttpContext httpContext)
-        {
-            if (httpContext == null)
-            {
-                throw new ArgumentNullException(nameof(httpContext));
-            }
-
-            _httpContext = httpContext;
-
-            var authentication = GetAuthenticationFeature(_httpContext);
-
-            _priorHandler = authentication.Handler;
-            authentication.Handler = this;
-
-            if (authentication.User != null)
-            {
-                if (!await _antiforgery.IsRequestValidAsync(_httpContext))
-                {
-                    // Wipe out any existing principal if we can't validate this request.
-                    authentication.User = null;
-                    return;
-                }
-            }
-        }
-
-        public void Teardown()
-        {
-            var authentication = GetAuthenticationFeature(_httpContext);
-            authentication.Handler = _priorHandler;
-        }
-
-        /// <inheritdoc />
-        public async Task AuthenticateAsync(AuthenticateContext context)
-        {
-            if (context == null)
-            {
-                throw new ArgumentNullException(nameof(context));
-            }
-
-            if (_priorHandler != null)
-            {
-                await _priorHandler.AuthenticateAsync(context);
-
-                var authentication = GetAuthenticationFeature(_httpContext);
-                if (context.Principal != null)
-                {
-                    try
-                    {
-                        await _antiforgery.ValidateRequestAsync(_httpContext, context.Principal);
-                    }
-                    catch (AntiforgeryValidationException ex)
-                    {
-                        context.Failed(ex);
-                        return;
-                    }
-                }
-            }
-        }
-
-        /// <inheritdoc />
-        public Task ChallengeAsync(ChallengeContext context)
-        {
-            if (context == null)
-            {
-                throw new ArgumentNullException(nameof(context));
-            }
-
-            if (_priorHandler != null)
-            {
-                return _priorHandler.ChallengeAsync(context);
-            }
-
-            return TaskCache.CompletedTask;
-        }
-
-        /// <inheritdoc />
-        public void GetDescriptions(DescribeSchemesContext context)
-        {
-            if (context == null)
-            {
-                throw new ArgumentNullException(nameof(context));
-            }
-
-            if (_priorHandler != null)
-            {
-                _priorHandler.GetDescriptions(context);
-            }
-        }
-
-        /// <inheritdoc />
-        public Task SignInAsync(SignInContext context)
-        {
-            if (context == null)
-            {
-                throw new ArgumentNullException(nameof(context));
-            }
-
-            if (_priorHandler != null)
-            {
-                return _priorHandler.SignInAsync(context);
-            }
-
-            return TaskCache.CompletedTask;
-        }
-
-        /// <inheritdoc />
-        public Task SignOutAsync(SignOutContext context)
-        {
-            if (context == null)
-            {
-                throw new ArgumentNullException(nameof(context));
-            }
-
-            if (_priorHandler != null)
-            {
-                return _priorHandler.SignOutAsync(context);
-            }
-
-            return TaskCache.CompletedTask;
-        }
-
-        private static IHttpAuthenticationFeature GetAuthenticationFeature(HttpContext httpContext)
-        {
-            var authentication = httpContext.Features.Get<IHttpAuthenticationFeature>();
-            if (authentication == null)
-            {
-                authentication = new HttpAuthenticationFeature();
-                httpContext.Features.Set(authentication);
-            }
-
-            return authentication;
-        }
-    }
-}
diff --git a/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgery.cs b/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgery.cs
index c832a378be..9227bd6b78 100644
--- a/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgery.cs
+++ b/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgery.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Diagnostics;
-using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
@@ -86,7 +85,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         }
 
         /// <inheritdoc />
-        public Task<bool> IsRequestValidAsync(HttpContext httpContext)
+        public async Task<bool> IsRequestValidAsync(HttpContext httpContext)
         {
             if (httpContext == null)
             {
@@ -95,26 +94,13 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             CheckSSLConfig(httpContext);
 
-            return IsRequestValidAsync(httpContext, httpContext.User);
-        }
-
-        /// <inheritdoc />
-        public async Task<bool> IsRequestValidAsync(HttpContext httpContext, ClaimsPrincipal principal)
-        {
-            if (httpContext == null)
-            {
-                throw new ArgumentNullException(nameof(httpContext));
-            }
-
-            if (principal == null)
-            {
-                throw new ArgumentNullException(nameof(principal));
-            }
-
-            CheckSSLConfig(httpContext);
-
-            if (!IsValidationRequired(httpContext))
+            var method = httpContext.Request.Method;
+            if (string.Equals(method, "GET", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(method, "HEAD", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(method, "OPTIONS", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(method, "TRACE", StringComparison.OrdinalIgnoreCase))
             {
+                // Validation not needed for these request types.
                 return true;
             }
 
@@ -140,7 +126,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             string message;
             var result = _tokenGenerator.TryValidateTokenSet(
                 httpContext,
-                principal,
                 deserializedCookieToken,
                 deserializedRequestToken,
                 out message);
@@ -158,7 +143,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         }
 
         /// <inheritdoc />
-        public Task ValidateRequestAsync(HttpContext httpContext)
+        public async Task ValidateRequestAsync(HttpContext httpContext)
         {
             if (httpContext == null)
             {
@@ -167,29 +152,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             CheckSSLConfig(httpContext);
 
-            return ValidateRequestAsync(httpContext, httpContext.User);
-        }
-
-        /// <inheritdoc />
-        public async Task ValidateRequestAsync(HttpContext httpContext, ClaimsPrincipal principal)
-        {
-            if (httpContext == null)
-            {
-                throw new ArgumentNullException(nameof(httpContext));
-            }
-
-            if (principal == null)
-            {
-                throw new ArgumentNullException(nameof(principal));
-            }
-
-            CheckSSLConfig(httpContext);
-
-            if (!IsValidationRequired(httpContext))
-            {
-                return;
-            }
-
             var tokens = await _tokenStore.GetRequestTokensAsync(httpContext);
             if (tokens.CookieToken == null)
             {
@@ -218,15 +180,12 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 }
             }
 
-            ValidateTokens(httpContext, principal, tokens);
+            ValidateTokens(httpContext, tokens);
 
             _logger.ValidatedAntiforgeryToken();
         }
 
-        private void ValidateTokens(
-            HttpContext httpContext,
-            ClaimsPrincipal principal,
-            AntiforgeryTokenSet antiforgeryTokenSet)
+        private void ValidateTokens(HttpContext httpContext, AntiforgeryTokenSet antiforgeryTokenSet)
         {
             Debug.Assert(!string.IsNullOrEmpty(antiforgeryTokenSet.CookieToken));
             Debug.Assert(!string.IsNullOrEmpty(antiforgeryTokenSet.RequestToken));
@@ -244,7 +203,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             string message;
             if (!_tokenGenerator.TryValidateTokenSet(
                 httpContext,
-                principal,
                 deserializedCookieToken,
                 deserializedRequestToken,
                 out message))
@@ -310,21 +268,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             }
         }
 
-        private bool IsValidationRequired(HttpContext httpContext)
-        {
-            var method = httpContext.Request.Method;
-            if (string.Equals(method, "GET", StringComparison.OrdinalIgnoreCase) ||
-                string.Equals(method, "HEAD", StringComparison.OrdinalIgnoreCase) ||
-                string.Equals(method, "OPTIONS", StringComparison.OrdinalIgnoreCase) ||
-                string.Equals(method, "TRACE", StringComparison.OrdinalIgnoreCase))
-            {
-                // Validation not needed for HTTP methods that don't mutate any state.
-                return false;
-            }
-
-            return true;
-        }
-
         private static IAntiforgeryFeature GetAntiforgeryFeature(HttpContext httpContext)
         {
             var antiforgeryFeature = httpContext.Features.Get<IAntiforgeryFeature>();
@@ -405,7 +348,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 var cookieToken = antiforgeryFeature.NewCookieToken ?? antiforgeryFeature.CookieToken;
                 antiforgeryFeature.NewRequestToken = _tokenGenerator.GenerateRequestToken(
                     httpContext,
-                    httpContext.User,
                     cookieToken);
             }
 
diff --git a/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgeryTokenGenerator.cs b/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgeryTokenGenerator.cs
index 14c102bb51..872f7ed18c 100644
--- a/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgeryTokenGenerator.cs
+++ b/src/Microsoft.AspNetCore.Antiforgery/Internal/DefaultAntiforgeryTokenGenerator.cs
@@ -35,7 +35,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         /// <inheritdoc />
         public AntiforgeryToken GenerateRequestToken(
             HttpContext httpContext,
-            ClaimsPrincipal principal,
             AntiforgeryToken cookieToken)
         {
             if (httpContext == null)
@@ -64,11 +63,11 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             var isIdentityAuthenticated = false;
 
             // populate Username and ClaimUid
-            var authenticatedIdentity = GetAuthenticatedIdentity(principal);
+            var authenticatedIdentity = GetAuthenticatedIdentity(httpContext.User);
             if (authenticatedIdentity != null)
             {
                 isIdentityAuthenticated = true;
-                requestToken.ClaimUid = GetClaimUidBlob(_claimUidExtractor.ExtractClaimUid(principal));
+                requestToken.ClaimUid = GetClaimUidBlob(_claimUidExtractor.ExtractClaimUid(httpContext.User));
 
                 if (requestToken.ClaimUid == null)
                 {
@@ -110,7 +109,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         /// <inheritdoc />
         public bool TryValidateTokenSet(
             HttpContext httpContext,
-            ClaimsPrincipal principal,
             AntiforgeryToken cookieToken,
             AntiforgeryToken requestToken,
             out string message)
@@ -152,10 +150,10 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             var currentUsername = string.Empty;
             BinaryBlob currentClaimUid = null;
 
-            var authenticatedIdentity = GetAuthenticatedIdentity(principal);
+            var authenticatedIdentity = GetAuthenticatedIdentity(httpContext.User);
             if (authenticatedIdentity != null)
             {
-                currentClaimUid = GetClaimUidBlob(_claimUidExtractor.ExtractClaimUid(principal));
+                currentClaimUid = GetClaimUidBlob(_claimUidExtractor.ExtractClaimUid(httpContext.User));
                 if (currentClaimUid == null)
                 {
                     currentUsername = authenticatedIdentity.Name ?? string.Empty;
diff --git a/src/Microsoft.AspNetCore.Antiforgery/Internal/IAntiforgeryTokenGenerator.cs b/src/Microsoft.AspNetCore.Antiforgery/Internal/IAntiforgeryTokenGenerator.cs
index 8c5d22cf31..c0dff86047 100644
--- a/src/Microsoft.AspNetCore.Antiforgery/Internal/IAntiforgeryTokenGenerator.cs
+++ b/src/Microsoft.AspNetCore.Antiforgery/Internal/IAntiforgeryTokenGenerator.cs
@@ -1,7 +1,6 @@
 // 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.Security.Claims;
 using Microsoft.AspNetCore.Http;
 
 namespace Microsoft.AspNetCore.Antiforgery.Internal
@@ -21,13 +20,9 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         /// Generates a request token corresponding to <paramref name="cookieToken"/>.
         /// </summary>
         /// <param name="httpContext">The <see cref="HttpContext"/> associated with the current request.</param>
-        /// <param name="principal">The claims-based principal to use for token generation.</param>
         /// <param name="cookieToken">A valid cookie token.</param>
         /// <returns>An <see cref="AntiforgeryToken"/>.</returns>
-        AntiforgeryToken GenerateRequestToken(
-            HttpContext httpContext,
-            ClaimsPrincipal principal,
-            AntiforgeryToken cookieToken);
+        AntiforgeryToken GenerateRequestToken(HttpContext httpContext, AntiforgeryToken cookieToken);
 
         /// <summary>
         /// Attempts to validate a cookie token.
@@ -40,7 +35,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         /// Attempts to validate a cookie and request token set for the given <paramref name="httpContext"/>.
         /// </summary>
         /// <param name="httpContext">The <see cref="HttpContext"/> associated with the current request.</param>
-        /// <param name="principal">The claims-based principal to use for token validation.</param>
         /// <param name="cookieToken">A cookie token.</param>
         /// <param name="requestToken">A request token.</param>
         /// <param name="message">
@@ -49,7 +43,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         /// <returns><c>true</c> if the tokens are valid, otherwise <c>false</c>.</returns>
         bool TryValidateTokenSet(
             HttpContext httpContext,
-            ClaimsPrincipal principal,
             AntiforgeryToken cookieToken,
             AntiforgeryToken requestToken,
             out string message);
diff --git a/src/Microsoft.AspNetCore.Antiforgery/Internal/TaskCache.cs b/src/Microsoft.AspNetCore.Antiforgery/Internal/TaskCache.cs
deleted file mode 100644
index d21d2e7a76..0000000000
--- a/src/Microsoft.AspNetCore.Antiforgery/Internal/TaskCache.cs
+++ /dev/null
@@ -1,12 +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.Threading.Tasks;
-
-namespace Microsoft.AspNetCore.Antiforgery.Internal
-{
-    public static class TaskCache
-    {
-        public static readonly Task CompletedTask = Task.FromResult(0);
-    }
-}
diff --git a/src/Microsoft.AspNetCore.Antiforgery/project.json b/src/Microsoft.AspNetCore.Antiforgery/project.json
index b207394d87..9d0fd780b5 100644
--- a/src/Microsoft.AspNetCore.Antiforgery/project.json
+++ b/src/Microsoft.AspNetCore.Antiforgery/project.json
@@ -19,7 +19,9 @@
   },
   "dependencies": {
     "Microsoft.AspNetCore.DataProtection": "1.0.0-*",
-    "Microsoft.AspNetCore.Http": "1.0.0-*"
+    "Microsoft.AspNetCore.Http.Abstractions": "1.0.0-*",
+    "Microsoft.AspNetCore.WebUtilities": "1.0.0-*",
+    "Microsoft.Extensions.ObjectPool": "1.0.0-*"
   },
   "frameworks": {
     "netstandard1.3": {
diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/AntiforgeryMiddlewareTest.cs b/test/Microsoft.AspNetCore.Antiforgery.Test/AntiforgeryMiddlewareTest.cs
deleted file mode 100644
index 54e40e7d93..0000000000
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/AntiforgeryMiddlewareTest.cs
+++ /dev/null
@@ -1,380 +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.Security.Claims;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Antiforgery.Internal;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Builder.Internal;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Features.Authentication;
-using Microsoft.Extensions.DependencyInjection;
-using Moq;
-using Xunit;
-
-namespace Microsoft.AspNetCore.Antiforgery
-{
-    // These are really more like integration tests and just verify a bunch of different
-    // reasonable combinations of authN middleware.
-    public class AntiforgeryMiddlewareTest
-    {
-        private readonly ClaimsPrincipal LoggedInUser = new ClaimsPrincipal(new ClaimsIdentity[]
-        {
-            new ClaimsIdentity("Test"),
-        });
-
-        private readonly ClaimsPrincipal LoggedInUser2 = new ClaimsPrincipal(new ClaimsIdentity[]
-        {
-            new ClaimsIdentity("Test"),
-        });
-
-        [Fact]
-        public async Task AutomaticAuthentication_Anonymous()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.Use(next => new AutomaticAuthenticationMiddleware(next, null).Invoke);
-                app.UseAntiforgery();
-            });
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Null(context.Principal);
-        }
-
-        [Fact]
-        public async Task AutomaticAuthentication_LoggedIn_WithoutToken()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AutomaticAuthenticationMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-            });
-
-            context.Antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false);
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Null(context.Principal);
-        }
-
-        [Fact]
-        public async Task AutomaticAuthentication_LoggedIn_WithValidToken()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AutomaticAuthenticationMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-            });
-
-            context.Antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(true);
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Same(LoggedInUser, context.Principal);
-        }
-
-        // A middleware after antiforgery in the pipeline can authenticate without going through token
-        // validation.
-        [Fact]
-        public async Task AutomaticAuthentication_LoggedIn_WithoutToken_AuthenticatedBySubsequentMiddleware()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AutomaticAuthenticationMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-                app.UseMiddleware<AutomaticAuthenticationMiddleware>(LoggedInUser2);
-            });
-
-            context.Antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false);
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Same(LoggedInUser2, context.Principal);
-        }
-
-        [Fact]
-        public async Task PasiveAuthentication_Anonymous()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.Use(next => new AuthenticationHandlerMiddleware(next, null).Invoke);
-                app.UseAntiforgery();
-                app.UseMiddleware<CallAuthenticateMiddleware>();
-            });
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Null(context.Principal);
-        }
-
-        [Fact]
-        public async Task PassiveAuthentication_LoggedIn_WithoutToken()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AuthenticationHandlerMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-                app.UseMiddleware<CallAuthenticateMiddleware>();
-            });
-
-            context.Antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), LoggedInUser))
-                .Throws(new AntiforgeryValidationException("error"));
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Null(context.Principal);
-        }
-
-        [Fact]
-        public async Task PassiveAuthentication_LoggedIn_WithValidToken()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AuthenticationHandlerMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-                app.UseMiddleware<CallAuthenticateMiddleware>();
-            });
-
-            context.Antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), LoggedInUser))
-                .Returns(TaskCache.CompletedTask);
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Same(LoggedInUser, context.Principal);
-        }
-
-        // A middleware after antiforgery in the pipeline can authenticate without going through token
-        // validation.
-        [Fact]
-        public async Task PassiveAuthentication_LoggedIn_WithoutToken_AuthenticatedBySubsequentMiddleware()
-        {
-            // Arrange
-            var context = Setup((app) =>
-            {
-                app.UseMiddleware<AuthenticationHandlerMiddleware>(LoggedInUser);
-                app.UseAntiforgery();
-                app.UseMiddleware<AuthenticationHandlerMiddleware>(LoggedInUser2);
-                app.UseMiddleware<CallAuthenticateMiddleware>();
-            });
-
-            var httpContext = new DefaultHttpContext();
-
-            await context.AppFunc(httpContext);
-
-            Assert.Same(LoggedInUser2, context.Principal);
-        }
-
-        private static IHttpAuthenticationFeature GetAuthenticationFeature(HttpContext httpContext)
-        {
-            var authentication = httpContext.Features.Get<IHttpAuthenticationFeature>();
-            if (authentication == null)
-            {
-                authentication = new HttpAuthenticationFeature();
-                httpContext.Features.Set(authentication);
-            }
-
-            return authentication;
-        }
-
-        private static TestContext Setup(Action<IApplicationBuilder> action)
-        {
-            var services = new ServiceCollection();
-            services.AddLogging();
-            services.AddOptions();
-
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            services.AddSingleton(antiforgery.Object);
-
-            var result = new TestContext();
-            result.Antiforgery = antiforgery;
-
-            var app = new ApplicationBuilder(services.BuildServiceProvider());
-            action(app);
-
-            // Capture the logged in user 'after' the middleware so we can validate it.
-            app.Run(c =>
-            {
-                result.Principal = GetAuthenticationFeature(c).User;
-                return TaskCache.CompletedTask;
-            });
-
-            result.AppFunc = app.Build();
-            return result;
-        }
-
-        private class TestContext
-        {
-            public Mock<IAntiforgery> Antiforgery { get; set; }
-
-            public RequestDelegate AppFunc { get; set; }
-
-            public ClaimsPrincipal Principal { get; set; }
-        }
-
-        private class AutomaticAuthenticationMiddleware
-        {
-            private readonly RequestDelegate _next;
-            private readonly ClaimsPrincipal _principal;
-
-            public AutomaticAuthenticationMiddleware(RequestDelegate next, ClaimsPrincipal principal)
-            {
-                _next = next;
-                _principal = principal;
-            }
-
-            public Task Invoke(HttpContext httpContext)
-            {
-                GetAuthenticationFeature(httpContext).User = _principal;
-                return _next(httpContext);
-            }
-        }
-
-        private class AuthenticationHandlerMiddleware
-        {
-            private readonly RequestDelegate _next;
-            private readonly ClaimsPrincipal _principal;
-
-            public AuthenticationHandlerMiddleware(RequestDelegate next, ClaimsPrincipal principal)
-            {
-                _next = next;
-                _principal = principal;
-            }
-
-            public async Task Invoke(HttpContext httpContext)
-            {
-                var handler = new AuthenticationHandler(_principal);
-                await handler.InitializeAsync(httpContext);
-
-                try
-                {
-                    await _next(httpContext);
-                }
-                finally
-                {
-                    await handler.TeardownAsync();
-                }
-            }
-        }
-
-        private class AuthenticationHandler : IAuthenticationHandler
-        {
-            private readonly ClaimsPrincipal _principal;
-            private IAuthenticationHandler _priorHandler;
-            private HttpContext _httpContext;
-
-            public AuthenticationHandler(ClaimsPrincipal principal)
-            {
-                _principal = principal;
-            }
-
-            public Task InitializeAsync(HttpContext httpContext)
-            {
-                _httpContext = httpContext;
-
-                var authenticationFeature = GetAuthenticationFeature(_httpContext);
-                _priorHandler = authenticationFeature.Handler;
-                authenticationFeature.Handler = this;
-
-                return TaskCache.CompletedTask;
-            }
-
-            public Task TeardownAsync()
-            {
-                var authenticationFeature = GetAuthenticationFeature(_httpContext);
-                authenticationFeature.Handler = _priorHandler;
-
-                return TaskCache.CompletedTask;
-            }
-
-            public Task AuthenticateAsync(AuthenticateContext context)
-            {
-                if (_principal == null)
-                {
-                    context.NotAuthenticated();
-                }
-                else
-                {
-                    context.Authenticated(_principal, null, null);
-                }
-
-                return TaskCache.CompletedTask;
-            }
-
-            public Task ChallengeAsync(ChallengeContext context)
-            {
-                throw new NotImplementedException();
-            }
-
-            public void GetDescriptions(DescribeSchemesContext context)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task SignInAsync(SignInContext context)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task SignOutAsync(SignOutContext context)
-            {
-                throw new NotImplementedException();
-            }
-        }
-
-        private class CallAuthenticateMiddleware
-        {
-            private readonly RequestDelegate _next;
-
-            public CallAuthenticateMiddleware(RequestDelegate next)
-            {
-                _next = next;
-            }
-
-            public async Task Invoke(HttpContext httpContext)
-            {
-                var authenticationFeature = GetAuthenticationFeature(httpContext);
-
-                var authenticateContext = new AuthenticateContext("Test");
-                await httpContext.Authentication.AuthenticateAsync(authenticateContext);
-
-                if (authenticateContext.Accepted)
-                {
-                    authenticationFeature.User = authenticateContext.Principal;
-                }
-
-                await _next(httpContext);
-            }
-        }
-    }
-}
diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/AntiforgeryAuthenticationHandlerTest.cs b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/AntiforgeryAuthenticationHandlerTest.cs
deleted file mode 100644
index 331cef1be4..0000000000
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/AntiforgeryAuthenticationHandlerTest.cs
+++ /dev/null
@@ -1,291 +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.Security.Claims;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Features.Authentication;
-using Moq;
-using Xunit;
-
-namespace Microsoft.AspNetCore.Antiforgery.Internal
-{
-    public class AntiforgeryAuthenticationHandlerTest
-    {
-        [Fact]
-        public async Task IntializeAsync_NoOp_WhenAnonymous()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            // Act
-            await handler.InitializeAsync(httpContext);
-
-            // Assert
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-        }
-
-        [Fact]
-        public async Task IntializeAsync_ValidatesRequest_WhenLoggedIn()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(true)
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-            authenticationFeature.User = new ClaimsPrincipal();
-
-            // Act
-            await handler.InitializeAsync(httpContext);
-
-            // Assert
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Once());
-        }
-
-        [Fact]
-        public async Task IntializeAsync_ClearsUser_WhenInvalid()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-            authenticationFeature.User = new ClaimsPrincipal();
-
-            // Act
-            await handler.InitializeAsync(httpContext);
-
-            // Assert
-            Assert.Null(authenticationFeature.User);
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Once());
-        }
-
-        [Fact]
-        public async Task IntializeAsync_AttachesAuthorizationHandler()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-
-            // Act
-            await handler.InitializeAsync(httpContext);
-
-            // Assert
-            Assert.Same(handler, authenticationFeature.Handler);
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-        }
-
-        [Fact]
-        public async Task AuthenticateAsync_NoPriorHandler_NoOp()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), It.IsAny<ClaimsPrincipal>()))
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-
-            await handler.InitializeAsync(httpContext);
-
-            var authenticateContext = new AuthenticateContext("Test");
-
-            // Act
-            await handler.AuthenticateAsync(authenticateContext);
-
-            // Assert
-            Assert.False(authenticateContext.Accepted);
-
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-            antiforgery.Verify(
-                a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), It.IsAny<ClaimsPrincipal>()),
-                Times.Never());
-        }
-
-        [Fact]
-        public async Task AuthenticateAsync_PriorHandlerDoesNotAuthenticate_NoOp()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), It.IsAny<ClaimsPrincipal>()))
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-            var priorHandler = new Mock<IAuthenticationHandler>(MockBehavior.Strict);
-            authenticationFeature.Handler = priorHandler.Object;
-
-            priorHandler
-                .Setup(h => h.AuthenticateAsync(It.IsAny<AuthenticateContext>()))
-                .Returns(TaskCache.CompletedTask)
-                .Callback<AuthenticateContext>(c => c.NotAuthenticated());
-
-            await handler.InitializeAsync(httpContext);
-
-            var authenticateContext = new AuthenticateContext("Test");
-
-            // Act
-            await handler.AuthenticateAsync(authenticateContext);
-
-            // Assert
-            Assert.True(authenticateContext.Accepted);
-            Assert.Null(authenticateContext.Principal);
-
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-            antiforgery.Verify(
-                a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), It.IsAny<ClaimsPrincipal>()),
-                Times.Never());
-        }
-
-        [Fact]
-        public async Task AuthenticateAsync_PriorHandlerSetsPrincipal_Valid()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            var principal = new ClaimsPrincipal();
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), principal))
-                .Returns(TaskCache.CompletedTask)
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-            var priorHandler = new Mock<IAuthenticationHandler>(MockBehavior.Strict);
-            authenticationFeature.Handler = priorHandler.Object;
-
-            priorHandler
-                .Setup(h => h.AuthenticateAsync(It.IsAny<AuthenticateContext>()))
-                .Returns(TaskCache.CompletedTask)
-                .Callback<AuthenticateContext>(c => c.Authenticated(principal, null, null));
-
-            await handler.InitializeAsync(httpContext);
-
-            var authenticateContext = new AuthenticateContext("Test");
-
-            // Act
-            await handler.AuthenticateAsync(authenticateContext);
-
-            // Assert
-            Assert.True(authenticateContext.Accepted);
-            Assert.Same(principal, authenticateContext.Principal);
-
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-            antiforgery.Verify(
-                a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), principal),
-                Times.Once());
-        }
-
-        [Fact]
-        public async Task AuthenticateAsync_PriorHandlerSetsPrincipal_Invalid()
-        {
-            // Arrange
-            var antiforgery = new Mock<IAntiforgery>(MockBehavior.Strict);
-            var handler = new AntiforgeryAuthenticationHandler(antiforgery.Object);
-
-            var principal = new ClaimsPrincipal();
-
-            antiforgery
-                .Setup(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()))
-                .ReturnsAsync(false)
-                .Verifiable();
-
-            antiforgery
-                .Setup(a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), principal))
-                .Throws(new AntiforgeryValidationException("invalid"))
-                .Verifiable();
-
-            var httpContext = new DefaultHttpContext();
-
-            var authenticationFeature = new HttpAuthenticationFeature();
-            httpContext.Features.Set<IHttpAuthenticationFeature>(authenticationFeature);
-            var priorHandler = new Mock<IAuthenticationHandler>(MockBehavior.Strict);
-            authenticationFeature.Handler = priorHandler.Object;
-
-            priorHandler
-                .Setup(h => h.AuthenticateAsync(It.IsAny<AuthenticateContext>()))
-                .Returns(TaskCache.CompletedTask)
-                .Callback<AuthenticateContext>(c => c.Authenticated(principal, null, null));
-
-            await handler.InitializeAsync(httpContext);
-
-            var authenticateContext = new AuthenticateContext("Test");
-
-            // Act
-            await handler.AuthenticateAsync(authenticateContext);
-
-            // Assert
-            Assert.True(authenticateContext.Accepted);
-            Assert.Null(authenticateContext.Principal);
-            Assert.NotNull(authenticateContext.Error);
-
-            antiforgery.Verify(a => a.IsRequestValidAsync(It.IsAny<HttpContext>()), Times.Never());
-            antiforgery.Verify(
-                a => a.ValidateRequestAsync(It.IsAny<HttpContext>(), principal),
-                Times.Once());
-        }
-    }
-}
diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTest.cs b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTest.cs
index 0677d73a0d..45bd0236ba 100644
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTest.cs
+++ b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTest.cs
@@ -15,22 +15,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 {
     public class DefaultAntiforgeryTest
     {
-        public static TheoryData<string> SafeHttpMethods => new TheoryData<string>()
-        {
-            "GeT",
-            "HEAD",
-            "options",
-            "TrAcE",
-        };
-
-        public static TheoryData<string> UnsafeHttpMethods => new TheoryData<string>()
-        {
-            "PUT",
-            "post",
-            "Delete",
-            "Custom",
-        };
-
         [Fact]
         public async Task ChecksSSL_ValidateRequestAsync_Throws()
         {
@@ -51,26 +35,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 exception.Message);
         }
 
-        [Fact]
-        public async Task ChecksSSL_ValidateRequestAsync_WithPrincipal_Throws()
-        {
-            // Arrange
-            var httpContext = GetHttpContext();
-            var options = new AntiforgeryOptions()
-            {
-                RequireSsl = true
-            };
-            var antiforgery = GetAntiforgery(httpContext, options);
-
-            // Act & Assert
-            var exception = await Assert.ThrowsAsync<InvalidOperationException>(
-                () => antiforgery.ValidateRequestAsync(httpContext, new ClaimsPrincipal()));
-            Assert.Equal(
-                @"The antiforgery system has the configuration value AntiforgeryOptions.RequireSsl = true, " +
-                "but the current request is not an SSL request.",
-                exception.Message);
-        }
-
         [Fact]
         public async Task ChecksSSL_IsRequestValidAsync_Throws()
         {
@@ -92,27 +56,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 exception.Message);
         }
 
-        [Fact]
-        public async Task ChecksSSL_IsRequestValidAsync_WithPrincipal_Throws()
-        {
-            // Arrange
-            var httpContext = GetHttpContext();
-            var options = new AntiforgeryOptions()
-            {
-                RequireSsl = true
-            };
-
-            var antiforgery = GetAntiforgery(httpContext, options);
-
-            // Act & Assert
-            var exception = await Assert.ThrowsAsync<InvalidOperationException>(
-                () => antiforgery.IsRequestValidAsync(httpContext, new ClaimsPrincipal()));
-            Assert.Equal(
-                @"The antiforgery system has the configuration value AntiforgeryOptions.RequireSsl = true, " +
-                "but the current request is not an SSL request.",
-                exception.Message);
-        }
-
         [Fact]
         public void ChecksSSL_GetAndStoreTokens_Throws()
         {
@@ -467,7 +410,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     context.TestTokenSet.OldCookieToken,
                     context.TestTokenSet.RequestToken,
                     out message))
@@ -502,7 +444,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     context.TestTokenSet.OldCookieToken,
                     context.TestTokenSet.RequestToken,
                     out message))
@@ -543,7 +484,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     antiforgeryFeature.CookieToken,
                     antiforgeryFeature.RequestToken,
                     out message))
@@ -569,7 +509,10 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         }
 
         [Theory]
-        [MemberData(nameof(SafeHttpMethods))]
+        [InlineData("GeT")]
+        [InlineData("HEAD")]
+        [InlineData("options")]
+        [InlineData("TrAcE")]
         public async Task IsRequestValidAsync_SkipsAntiforgery_ForSafeHttpMethods(string httpMethod)
         {
             // Arrange
@@ -580,7 +523,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     It.IsAny<AntiforgeryToken>(),
                     It.IsAny<AntiforgeryToken>(),
                     out message))
@@ -597,7 +539,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Verify(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     It.IsAny<AntiforgeryToken>(),
                     It.IsAny<AntiforgeryToken>(),
                     out message),
@@ -605,7 +546,10 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         }
 
         [Theory]
-        [MemberData(nameof(UnsafeHttpMethods))]
+        [InlineData("PUT")]
+        [InlineData("post")]
+        [InlineData("Delete")]
+        [InlineData("Custom")]
         public async Task IsRequestValidAsync_ValidatesAntiforgery_ForNonSafeHttpMethods(string httpMethod)
         {
             // Arrange
@@ -616,7 +560,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     It.IsAny<AntiforgeryToken>(),
                     It.IsAny<AntiforgeryToken>(),
                     out message))
@@ -633,68 +576,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator.Verify();
         }
 
-        [Fact]
-        public async Task IsRequestValidAsync_UsesPrincipalFromHttpContext()
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = "POST";
-
-            var principal = new ClaimsPrincipal();
-            context.HttpContext.User = principal;
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    principal,
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(true)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            var result = await antiforgery.IsRequestValidAsync(context.HttpContext);
-
-            // Assert
-            Assert.True(result);
-            context.TokenGenerator.Verify();
-        }
-
-        [Fact]
-        public async Task IsRequestValidAsync_UsesPassedInPrincipal()
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = "POST";
-
-            var principal = new ClaimsPrincipal();
-            context.HttpContext.User = new ClaimsPrincipal(); // This should be ignored.
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    principal,
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(true)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            var result = await antiforgery.IsRequestValidAsync(context.HttpContext, principal);
-
-            // Assert
-            Assert.True(result);
-            context.TokenGenerator.Verify();
-        }
-
         [Fact]
         public async Task ValidateRequestAsync_FromStore_Failure()
         {
@@ -706,7 +587,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     context.TestTokenSet.OldCookieToken,
                     context.TestTokenSet.RequestToken,
                     out message))
@@ -739,7 +619,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     context.TestTokenSet.OldCookieToken,
                     context.TestTokenSet.RequestToken,
                     out message))
@@ -881,7 +760,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             context.TokenGenerator
                 .Setup(o => o.TryValidateTokenSet(
                     context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     antiforgeryFeature.CookieToken,
                     antiforgeryFeature.RequestToken,
                     out message))
@@ -905,129 +783,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 Times.Never);
         }
 
-        [Theory]
-        [MemberData(nameof(SafeHttpMethods))]
-        public async Task ValidateRequestAsync_SkipsAntiforgery_ForSafeHttpMethods(string httpMethod)
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = httpMethod;
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(false)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            await antiforgery.ValidateRequestAsync(context.HttpContext);
-
-            // Assert
-            context.TokenGenerator
-                .Verify(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message),
-                    Times.Never);
-        }
-
-        [Theory]
-        [MemberData(nameof(UnsafeHttpMethods))]
-        public async Task ValidateRequestAsync_ValidatesAntiforgery_ForNonSafeHttpMethods(string httpMethod)
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = httpMethod;
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    It.IsAny<ClaimsPrincipal>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(true)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            await antiforgery.ValidateRequestAsync(context.HttpContext);
-
-            // Assert
-            context.TokenGenerator.Verify();
-        }
-
-        [Fact]
-        public async Task ValidateRequestAsync_UsesPrincipalFromHttpContext()
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = "POST";
-
-            var principal = new ClaimsPrincipal();
-            context.HttpContext.User = principal;
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    principal,
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(true)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            await antiforgery.ValidateRequestAsync(context.HttpContext);
-
-            // Assert
-            context.TokenGenerator.Verify();
-        }
-
-        [Fact]
-        public async Task ValidateRequestAsync_UsesPassedInPrincipal()
-        {
-            // Arrange
-            var context = CreateMockContext(new AntiforgeryOptions());
-            context.HttpContext.Request.Method = "POST";
-
-            var principal = new ClaimsPrincipal();
-            context.HttpContext.User = new ClaimsPrincipal(); // This should be ignored.
-
-            string message;
-            context.TokenGenerator
-                .Setup(o => o.TryValidateTokenSet(
-                    context.HttpContext,
-                    principal,
-                    It.IsAny<AntiforgeryToken>(),
-                    It.IsAny<AntiforgeryToken>(),
-                    out message))
-                .Returns(true)
-                .Verifiable();
-
-            var antiforgery = GetAntiforgery(context);
-
-            // Act
-            await antiforgery.ValidateRequestAsync(context.HttpContext, principal);
-
-            // Assert
-            context.TokenGenerator.Verify();
-        }
-
         [Theory]
         [InlineData(false, "SAMEORIGIN")]
         [InlineData(true, null)]
@@ -1267,7 +1022,6 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             mockGenerator
                 .Setup(o => o.GenerateRequestToken(
                     httpContext,
-                    It.IsAny<ClaimsPrincipal>(),
                     useOldCookie ? testTokenSet.OldCookieToken : testTokenSet.NewCookieToken))
                 .Returns(testTokenSet.RequestToken);
 
diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTokenGeneratorTest.cs b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTokenGeneratorTest.cs
index 94379071c5..981de8e94c 100644
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTokenGeneratorTest.cs
+++ b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultAntiforgeryTokenGeneratorTest.cs
@@ -34,7 +34,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var cookieToken = new AntiforgeryToken() { IsCookieToken = false };
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
             Assert.False(httpContext.User.Identity.IsAuthenticated);
 
             var tokenProvider = new DefaultAntiforgeryTokenGenerator(
@@ -43,7 +43,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act & Assert
             ExceptionAssert.ThrowsArgument(
-                () => tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken),
+                () => tokenProvider.GenerateRequestToken(httpContext, cookieToken),
                 "cookieToken",
                 "The antiforgery cookie token is invalid.");
         }
@@ -54,7 +54,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
             Assert.False(httpContext.User.Identity.IsAuthenticated);
 
             var tokenProvider = new DefaultAntiforgeryTokenGenerator(
@@ -62,7 +62,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 additionalDataProvider: null);
 
             // Act
-            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken);
+            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);
 
             // Assert
             Assert.NotNull(fieldToken);
@@ -83,7 +83,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             };
 
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());
+            httpContext.User = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());
 
             var options = new AntiforgeryOptions();
             var claimUidExtractor = new Mock<IClaimUidExtractor>().Object;
@@ -94,7 +94,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act & assert
             var exception = Assert.Throws<InvalidOperationException>(
-                    () => tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken));
+                    () => tokenProvider.GenerateRequestToken(httpContext, cookieToken));
             Assert.Equal(
                 "The provided identity of type " +
                 $"'{typeof(MyAuthenticatedIdentityWithoutUsername).FullName}' " +
@@ -114,7 +114,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
 
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());
+            httpContext.User = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());
 
             var mockAdditionalDataProvider = new Mock<IAntiforgeryAdditionalDataProvider>();
             mockAdditionalDataProvider.Setup(o => o.GetAdditionalData(httpContext))
@@ -127,7 +127,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 additionalDataProvider: mockAdditionalDataProvider.Object);
 
             // Act
-            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken);
+            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);
 
             // Assert
             Assert.NotNull(fieldToken);
@@ -146,7 +146,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             var identity = GetAuthenticatedIdentity("some-identity");
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             byte[] data = new byte[256 / 8];
             using (var rng = RandomNumberGenerator.Create())
@@ -165,7 +165,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 additionalDataProvider: null);
 
             // Act
-            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken);
+            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);
 
             // Assert
             Assert.NotNull(fieldToken);
@@ -189,7 +189,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             mockIdentity.Setup(o => o.Name)
                         .Returns("my-username");
 
-            var principal = new ClaimsPrincipal(mockIdentity.Object);
+            httpContext.User = new ClaimsPrincipal(mockIdentity.Object);
 
             var claimUidExtractor = new Mock<IClaimUidExtractor>().Object;
 
@@ -198,7 +198,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
                 additionalDataProvider: null);
 
             // Act
-            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, principal, cookieToken);
+            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);
 
             // Assert
             Assert.NotNull(fieldToken);
@@ -271,7 +271,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         {
             // Arrange
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
 
             var fieldtoken = new AntiforgeryToken() { IsCookieToken = false };
 
@@ -282,7 +282,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Act & Assert
             string message;
             var ex = Assert.Throws<ArgumentNullException>(
-                () => tokenProvider.TryValidateTokenSet(httpContext, principal, null, fieldtoken, out message));
+                () => tokenProvider.TryValidateTokenSet(httpContext, null, fieldtoken, out message));
 
             var trimmed = ex.Message.Substring(0, ex.Message.IndexOf(Environment.NewLine));
             Assert.Equal(@"The required antiforgery cookie token must be provided.", trimmed);
@@ -293,7 +293,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         {
             // Arrange
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
 
@@ -305,7 +305,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Act & Assert
             string message;
             var ex = Assert.Throws<ArgumentNullException>(
-                () => tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, null, out message));
+                () => tokenProvider.TryValidateTokenSet(httpContext, cookieToken, null, out message));
 
             var trimmed = ex.Message.Substring(0, ex.Message.IndexOf(Environment.NewLine));
             Assert.Equal("The required antiforgery request token must be provided.", trimmed);
@@ -316,7 +316,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         {
             // Arrange
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken() { IsCookieToken = false };
@@ -331,7 +331,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, fieldtoken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, fieldtoken, fieldtoken, out message);
 
             // Assert
             Assert.False(result);
@@ -343,7 +343,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         {
             // Arrange
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken() { IsCookieToken = false };
@@ -358,7 +358,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, cookieToken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, cookieToken, out message);
 
             // Assert
             Assert.False(result);
@@ -370,7 +370,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
         {
             // Arrange
             var httpContext = new DefaultHttpContext();
-            var principal = new ClaimsPrincipal(new ClaimsIdentity());
+            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken() { IsCookieToken = false };
@@ -383,7 +383,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.False(result);
@@ -399,7 +399,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = GetAuthenticatedIdentity(identityUsername);
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -423,7 +423,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.False(result);
@@ -436,7 +436,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = GetAuthenticatedIdentity("the-user");
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -461,7 +461,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.False(result);
@@ -474,7 +474,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = new ClaimsIdentity();
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -498,7 +498,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.False(result);
@@ -511,7 +511,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = new ClaimsIdentity();
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -532,7 +532,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.True(result);
@@ -545,7 +545,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = GetAuthenticatedIdentity("the-user");
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -566,7 +566,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.True(result);
@@ -579,7 +579,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             // Arrange
             var httpContext = new DefaultHttpContext();
             var identity = GetAuthenticatedIdentity("the-user");
-            var principal = new ClaimsPrincipal(identity);
+            httpContext.User = new ClaimsPrincipal(identity);
 
             var cookieToken = new AntiforgeryToken() { IsCookieToken = true };
             var fieldtoken = new AntiforgeryToken()
@@ -599,7 +599,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
 
             // Act
             string message;
-            var result = tokenProvider.TryValidateTokenSet(httpContext, principal, cookieToken, fieldtoken, out message);
+            var result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);
 
             // Assert
             Assert.True(result);