diff --git a/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/ResourceFile.cs b/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/ResourceFile.cs
deleted file mode 100644
index ad7141f28a..0000000000
--- a/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/ResourceFile.cs
+++ /dev/null
@@ -1,230 +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.Diagnostics;
-using System.IO;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
-using Xunit;
-
-namespace Microsoft.AspNetCore.Mvc.Razor.Extensions
-{
-    /// <summary>
-    /// Reader and, if GENERATE_BASELINES is defined, writer for files compiled into an assembly as resources.
-    /// </summary>
-    /// <remarks>Inspired by Razor's BaselineWriter and TestFile test classes.</remarks>
-    public static class ResourceFile
-    {
-        private static object writeLock = new object();
-
-        /// <summary>
-        /// Return <see cref="Stream"/> for <paramref name="resourceName"/> from <paramref name="assembly"/>'s
-        /// manifest.
-        /// </summary>
-        /// <param name="assembly">The <see cref="Assembly"/> containing <paramref name="resourceName"/>.</param>
-        /// <param name="resourceName">
-        /// Name of the manifest resource in <paramref name="assembly"/>. A path relative to the test project
-        /// directory.
-        /// </param>
-        /// <param name="sourceFile">
-        /// If <c>true</c> <paramref name="resourceName"/> is used as a source file and must exist. Otherwise
-        /// <paramref name="resourceName"/> is an output file and, if <c>GENERATE_BASELINES</c> is defined, it will
-        /// soon be generated if missing.
-        /// </param>
-        /// <returns>
-        /// <see cref="Stream"/> for <paramref name="resourceName"/> from <paramref name="assembly"/>'s
-        /// manifest. <c>null</c> if <c>GENERATE_BASELINES</c> is defined, <paramref name="sourceFile"/> is
-        /// <c>false</c>, and <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </returns>
-        /// <exception cref="Xunit.Sdk.TrueException">
-        /// Thrown if <c>GENERATE_BASELINES</c> is not defined or <paramref name="sourceFile"/> is <c>true</c> and
-        /// <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </exception>
-        public static Stream GetResourceStream(Assembly assembly, string resourceName, bool sourceFile)
-        {
-            var fullName = $"{ assembly.GetName().Name }.{ resourceName.Replace('/', '.') }";
-            if (!Exists(assembly, fullName))
-            {
-#if GENERATE_BASELINES
-                if (sourceFile)
-                {
-                    // Even when generating baselines, a missing source file is a serious problem.
-                    Assert.True(false, $"Manifest resource: { fullName } not found.");
-                }
-#else
-                // When not generating baselines, a missing source or output file is always an error.
-                Assert.True(false, $"Manifest resource '{ fullName }' not found.");
-#endif
-
-                return null;
-            }
-
-            var stream = assembly.GetManifestResourceStream(fullName);
-            if (sourceFile)
-            {
-                // Normalize line endings to '\r\n' (CRLF). This removes core.autocrlf, core.eol, core.safecrlf, and
-                // .gitattributes from the equation and treats "\r\n" and "\n" as equivalent. Does not handle
-                // some line endings like "\r" but otherwise ensures checksums and line mappings are consistent.
-                string text;
-                using (var streamReader = new StreamReader(stream))
-                {
-                    text = streamReader.ReadToEnd().Replace("\r", "").Replace("\n", "\r\n");
-                }
-
-                var bytes = Encoding.UTF8.GetBytes(text);
-                stream = new MemoryStream(bytes);
-            }
-
-            return stream;
-        }
-
-        /// <summary>
-        /// Return <see cref="string"/> content of <paramref name="resourceName"/> from <paramref name="assembly"/>'s
-        /// manifest.
-        /// </summary>
-        /// <param name="assembly">The <see cref="Assembly"/> containing <paramref name="resourceName"/>.</param>
-        /// <param name="resourceName">
-        /// Name of the manifest resource in <paramref name="assembly"/>. A path relative to the test project
-        /// directory.
-        /// </param>
-        /// <param name="sourceFile">
-        /// If <c>true</c> <paramref name="resourceName"/> is used as a source file and must exist. Otherwise
-        /// <paramref name="resourceName"/> is an output file and, if <c>GENERATE_BASELINES</c> is defined, it will
-        /// soon be generated if missing.
-        /// </param>
-        /// <returns>
-        /// A <see cref="Task{string}"/> which on completion returns the <see cref="string"/> content of
-        /// <paramref name="resourceName"/> from <paramref name="assembly"/>'s manifest. <c>null</c> if
-        /// <c>GENERATE_BASELINES</c> is defined, <paramref name="sourceFile"/> is <c>false</c>, and
-        /// <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </returns>
-        /// <exception cref="Xunit.Sdk.TrueException">
-        /// Thrown if <c>GENERATE_BASELINES</c> is not defined or <paramref name="sourceFile"/> is <c>true</c> and
-        /// <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </exception>
-        /// <remarks>Normalizes line endings to <see cref="Environment.NewLine"/>.</remarks>
-        public static async Task<string> ReadResourceAsync(Assembly assembly, string resourceName, bool sourceFile)
-        {
-            using (var stream = GetResourceStream(assembly, resourceName, sourceFile))
-            {
-                if (stream == null)
-                {
-                    return null;
-                }
-
-                using (var streamReader = new StreamReader(stream))
-                {
-                    return await streamReader.ReadToEndAsync();
-                }
-            }
-        }
-
-        /// <summary>
-        /// Return <see cref="string"/> content of <paramref name="resourceName"/> from <paramref name="assembly"/>'s
-        /// manifest.
-        /// </summary>
-        /// <param name="assembly">The <see cref="Assembly"/> containing <paramref name="resourceName"/>.</param>
-        /// <param name="resourceName">
-        /// Name of the manifest resource in <paramref name="assembly"/>. A path relative to the test project
-        /// directory.
-        /// </param>
-        /// <param name="sourceFile">
-        /// If <c>true</c> <paramref name="resourceName"/> is used as a source file and must exist. Otherwise
-        /// <paramref name="resourceName"/> is an output file and, if <c>GENERATE_BASELINES</c> is defined, it will
-        /// soon be generated if missing.
-        /// </param>
-        /// <returns>
-        /// The <see cref="string"/> content of <paramref name="resourceName"/> from <paramref name="assembly"/>'s
-        /// manifest. <c>null</c> if <c>GENERATE_BASELINES</c> is defined, <paramref name="sourceFile"/> is
-        /// <c>false</c>, and <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </returns>
-        /// <exception cref="Xunit.Sdk.TrueException">
-        /// Thrown if <c>GENERATE_BASELINES</c> is not defined or <paramref name="sourceFile"/> is <c>true</c> and
-        /// <paramref name="resourceName"/> is not found in <paramref name="assembly"/>.
-        /// </exception>
-        /// <remarks>Normalizes line endings to <see cref="Environment.NewLine"/>.</remarks>
-        public static string ReadResource(Assembly assembly, string resourceName, bool sourceFile)
-        {
-            using (var stream = GetResourceStream(assembly, resourceName, sourceFile))
-            {
-                if (stream == null)
-                {
-                    return null;
-                }
-
-                using (var streamReader = new StreamReader(stream))
-                {
-                    return streamReader.ReadToEnd();
-                }
-            }
-        }
-
-        /// <summary>
-        /// Write <paramref name="content"/> to file that will become <paramref name="resourceName"/> in
-        /// <paramref name="assembly"/> the next time the project is built. Does nothing if
-        /// <paramref name="previousContent"/> and <paramref name="content"/> already match.
-        /// </summary>
-        /// <param name="assembly">The <see cref="Assembly"/> containing <paramref name="resourceName"/>.</param>
-        /// <param name="resourceName">
-        /// Name of the manifest resource in <paramref name="assembly"/>. A path relative to the test project
-        /// directory.
-        /// </param>
-        /// <param name="previousContent">
-        /// Current content of <paramref name="resourceName"/>. <c>null</c> if <paramref name="resourceName"/> does
-        /// not currently exist in <paramref name="assembly"/>.
-        /// </param>
-        /// <param name="content">
-        /// New content of <paramref name="resourceName"/> in <paramref name="assembly"/>.
-        /// </param>
-        [Conditional("GENERATE_BASELINES")]
-        public static void UpdateFile(Assembly assembly, string resourceName, string previousContent, string content)
-        {
-            // Normalize line endings to '\r\n' for comparison. This removes Environment.NewLine from the equation. Not
-            // worth updating files just because we generate baselines on a different system.
-            var normalizedPreviousContent = previousContent?.Replace("\r", "").Replace("\n", "\r\n");
-            var normalizedContent = content.Replace("\r", "").Replace("\n", "\r\n");
-
-            if (!string.Equals(normalizedPreviousContent, normalizedContent, StringComparison.Ordinal))
-            {
-                // The build system compiles every file under the resources folder as a resource available at runtime
-                // with the same name as the file name. Need to update this file on disc.
-                var projectPath = SolutionPathUtility.GetProjectPath("test", assembly);
-                var fullPath = Path.Combine(projectPath, resourceName);
-                WriteFile(fullPath, content);
-            }
-        }
-
-        private static bool Exists(Assembly assembly, string fullName)
-        {
-            var resourceNames = assembly.GetManifestResourceNames();
-            foreach (var resourceName in resourceNames)
-            {
-                // Resource names are case-sensitive.
-                if (string.Equals(fullName, resourceName, StringComparison.Ordinal))
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        private static void WriteFile(string fullPath, string content)
-        {
-            // Serialize writes to minimize contention for file handles and directory access.
-            lock (writeLock)
-            {
-                // Write content to the file, creating it if necessary.
-                using (var stream = File.Open(fullPath, FileMode.Create, FileAccess.Write))
-                {
-                    using (var writer = new StreamWriter(stream))
-                    {
-                        writer.Write(content);
-                    }
-                }
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/SolutionPathUtility.cs b/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/SolutionPathUtility.cs
deleted file mode 100644
index b8d9633080..0000000000
--- a/test/Microsoft.AspNetCore.Mvc.Razor.Extensions.Test/Internal/SolutionPathUtility.cs
+++ /dev/null
@@ -1,45 +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.IO;
-using System.Reflection;
-using Microsoft.Extensions.PlatformAbstractions;
-
-namespace Microsoft.AspNetCore.Mvc.Razor.Extensions
-{
-    public static class SolutionPathUtility
-    {
-        private const string SolutionName = "Razor.sln";
-
-        /// <summary>
-        /// Gets the full path to the project.
-        /// </summary>
-        /// <param name="solutionRelativePath">
-        /// The parent directory of the project.
-        /// e.g. samples, test, or test/Websites
-        /// </param>
-        /// <param name="assembly">The project's assembly.</param>
-        /// <returns>The full path to the project.</returns>
-        public static string GetProjectPath(string solutionRelativePath, Assembly assembly)
-        {
-            var projectName = assembly.GetName().Name;
-            var applicationBasePath = PlatformServices.Default.Application.ApplicationBasePath;
-
-            var directoryInfo = new DirectoryInfo(applicationBasePath);
-            do
-            {
-                var solutionFileInfo = new FileInfo(Path.Combine(directoryInfo.FullName, SolutionName));
-                if (solutionFileInfo.Exists)
-                {
-                    return Path.GetFullPath(Path.Combine(directoryInfo.FullName, solutionRelativePath, projectName));
-                }
-
-                directoryInfo = directoryInfo.Parent;
-            }
-            while (directoryInfo.Parent != null);
-
-            throw new Exception($"Solution root could not be located using application root {applicationBasePath}.");
-        }
-    }
-}