diff --git a/src/NuGet.Core/NuGet.Protocol/GlobalSuppressions.cs b/src/NuGet.Core/NuGet.Protocol/GlobalSuppressions.cs
index 356fdfebbba..fbb29505816 100644
--- a/src/NuGet.Core/NuGet.Protocol/GlobalSuppressions.cs
+++ b/src/NuGet.Core/NuGet.Protocol/GlobalSuppressions.cs
@@ -143,7 +143,6 @@
 [assembly: SuppressMessage("Build", "CA1031:Modify 'Receive' to catch a more specific allowed exception type, or rethrow the exception.", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.Plugins.StandardInputReceiver.Receive(System.Object)")]
 [assembly: SuppressMessage("Build", "CA1031:Modify 'OnLineRead' to catch a more specific allowed exception type, or rethrow the exception.", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.Plugins.StandardOutputReceiver.OnLineRead(System.Object,NuGet.Protocol.Plugins.LineReadEventArgs)")]
 [assembly: SuppressMessage("Build", "CA1031:Modify 'GetTimeout' to catch a more specific allowed exception type, or rethrow the exception.", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.Plugins.TimeoutUtilities.GetTimeout(System.String,System.TimeSpan)~System.TimeSpan")]
-[assembly: SuppressMessage("Build", "CA1303:Method 'bool UnixAndMonoPlatformsEmbeddedSignatureVerifier.IsValid(string filePath)' passes a literal string as parameter 'message' of a call to 'ArgumentException.ArgumentException(string message)'. Retrieve the following string(s) from a resource table instead: \"filePath\".", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.IsValid(System.String)~System.Boolean")]
 [assembly: SuppressMessage("Build", "CA1801:Parameter ex of method ProxyAuthenticationRequired is never used. Remove the parameter or use it in the method body.", Justification = "Workaround for mono", Scope = "member", Target = "~M:NuGet.Protocol.ProxyAuthenticationHandler.AcquireCredentialsAsync(System.Uri,System.Guid,NuGet.Common.ILogger,System.Threading.CancellationToken)~System.Threading.Tasks.Task{System.Boolean}")]
 [assembly: SuppressMessage("Build", "CA1031:Modify 'PromptForProxyCredentialsAsync' to catch a more specific allowed exception type, or rethrow the exception.", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.ProxyAuthenticationHandler.PromptForProxyCredentialsAsync(System.Uri,System.Net.IWebProxy,NuGet.Common.ILogger,System.Threading.CancellationToken)~System.Threading.Tasks.Task{System.Net.NetworkCredential}")]
 [assembly: SuppressMessage("Build", "CA1031:Modify 'SearchPage' to catch a more specific allowed exception type, or rethrow the exception.", Justification = "<Pending>", Scope = "member", Target = "~M:NuGet.Protocol.RawSearchResourceV3.SearchPage(System.String,NuGet.Protocol.Core.Types.SearchFilter,System.Int32,System.Int32,NuGet.Common.ILogger,System.Threading.CancellationToken)~System.Threading.Tasks.Task{Newtonsoft.Json.Linq.JObject}")]
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/EmbeddedSignatureVerifier.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/EmbeddedSignatureVerifier.cs
deleted file mode 100644
index d3b0309eb1e..00000000000
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/EmbeddedSignatureVerifier.cs
+++ /dev/null
@@ -1,43 +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 NuGet.Common;
-
-namespace NuGet.Protocol.Plugins
-{
-    /// <summary>
-    /// Base class for embedded signature verifiers.
-    /// </summary>
-    public abstract class EmbeddedSignatureVerifier
-    {
-        /// <summary>
-        /// Checks if a file has a valid embedded signature.
-        /// </summary>
-        /// <param name="filePath">The path of a file to be checked.</param>
-        /// <returns><see langword="true" /> if the file has a valid signature; otherwise, <see langword="false" />.</returns>
-        /// <exception cref="ArgumentException">Thrown if <paramref name="filePath" />
-        /// is either <see langword="null" /> or an empty string.</exception>
-        /// <exception cref="PlatformNotSupportedException">Thrown if the current platform is unsupported.</exception>
-        public abstract bool IsValid(string filePath);
-
-        /// <summary>
-        /// Creates an embedded signature verifier for the current platform.
-        /// </summary>
-        /// <returns>An embedded signature verifier.</returns>
-        public static EmbeddedSignatureVerifier Create()
-        {
-            if (RuntimeEnvironmentHelper.IsWindows)
-            {
-                return new WindowsEmbeddedSignatureVerifier();
-            }
-
-            if (RuntimeEnvironmentHelper.IsLinux || RuntimeEnvironmentHelper.IsMacOSX || RuntimeEnvironmentHelper.IsMono)
-            {
-                return new UnixAndMonoPlatformsEmbeddedSignatureVerifier();
-            }
-
-            return new FallbackEmbeddedSignatureVerifier();
-        }
-    }
-}
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/FallbackEmbeddedSignatureVerifier.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/FallbackEmbeddedSignatureVerifier.cs
deleted file mode 100644
index 8aae17dfb21..00000000000
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/FallbackEmbeddedSignatureVerifier.cs
+++ /dev/null
@@ -1,24 +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;
-
-namespace NuGet.Protocol.Plugins
-{
-    /// <summary>
-    /// A fallback embedded signature verifier for unsupported platforms.
-    /// </summary>
-    public sealed class FallbackEmbeddedSignatureVerifier : EmbeddedSignatureVerifier
-    {
-        /// <summary>
-        /// Checks if a file has a valid embedded signature.
-        /// </summary>
-        /// <param name="filePath">The path of a file to be checked.</param>
-        /// <returns><see langword="true" /> if the file has a valid signature; otherwise, <see langword="false" />.</returns>
-        /// <exception cref="PlatformNotSupportedException">Thrown always.</exception>
-        public override bool IsValid(string filePath)
-        {
-            throw new PlatformNotSupportedException();
-        }
-    }
-}
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginDiscoverer.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginDiscoverer.cs
index 1a9eb98db69..830ba4d4142 100644
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginDiscoverer.cs
+++ b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginDiscoverer.cs
@@ -20,23 +20,14 @@ public sealed class PluginDiscoverer : IPluginDiscoverer
         private readonly string _rawPluginPaths;
         private IEnumerable<PluginDiscoveryResult> _results;
         private readonly SemaphoreSlim _semaphore;
-        private readonly EmbeddedSignatureVerifier _verifier;
 
         /// <summary>
         /// Instantiates a new <see cref="PluginDiscoverer" /> class.
         /// </summary>
         /// <param name="rawPluginPaths">The raw semicolon-delimited list of supposed plugin file paths.</param>
-        /// <param name="verifier">An embedded signature verifier.</param>
-        /// <exception cref="ArgumentNullException">Thrown if <paramref name="verifier" /> is <see langword="null" />.</exception>
-        public PluginDiscoverer(string rawPluginPaths, EmbeddedSignatureVerifier verifier)
+        public PluginDiscoverer(string rawPluginPaths)
         {
-            if (verifier == null)
-            {
-                throw new ArgumentNullException(nameof(verifier));
-            }
-
             _rawPluginPaths = rawPluginPaths;
-            _verifier = verifier;
             _semaphore = new SemaphoreSlim(initialCount: 1, maxCount: 1);
         }
 
@@ -116,25 +107,18 @@ private List<PluginFile> GetPluginFiles(CancellationToken cancellationToken)
 
             foreach (var filePath in filePaths)
             {
-                cancellationToken.ThrowIfCancellationRequested();
-
-                if (PathValidator.IsValidLocalPath(filePath) || PathValidator.IsValidUncPath(filePath))
+                var pluginFile = new PluginFile(filePath, new Lazy<PluginFileState>(() =>
                 {
-                    if (File.Exists(filePath))
+                    if (PathValidator.IsValidLocalPath(filePath) || PathValidator.IsValidUncPath(filePath))
                     {
-                        var state = new Lazy<PluginFileState>(() => _verifier.IsValid(filePath) ? PluginFileState.Valid : PluginFileState.InvalidEmbeddedSignature);
-
-                        files.Add(new PluginFile(filePath, state));
+                        return File.Exists(filePath) ? PluginFileState.Valid : PluginFileState.NotFound;
                     }
                     else
                     {
-                        files.Add(new PluginFile(filePath, new Lazy<PluginFileState>(() => PluginFileState.NotFound)));
+                        return PluginFileState.InvalidFilePath;
                     }
-                }
-                else
-                {
-                    files.Add(new PluginFile(filePath, new Lazy<PluginFileState>(() => PluginFileState.InvalidFilePath)));
-                }
+                }));
+                files.Add(pluginFile);
             }
 
             return files;
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginFileState.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginFileState.cs
index da7eba69663..e20d95576bd 100644
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginFileState.cs
+++ b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginFileState.cs
@@ -26,6 +26,7 @@ public enum PluginFileState
         /// <summary>
         /// The file exists but it has either no embedded signature or an invalid embedded signature.
         /// </summary>
+        /// <remarks>No longer used.</remarks>
         InvalidEmbeddedSignature
     }
 }
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginManager.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginManager.cs
index 53f992281d2..53dfa731769 100644
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/PluginManager.cs
+++ b/src/NuGet.Core/NuGet.Protocol/Plugins/PluginManager.cs
@@ -360,9 +360,7 @@ private async Task<IReadOnlyList<OperationClaim>> GetPluginOperationClaimsAsync(
 
         private PluginDiscoverer InitializeDiscoverer()
         {
-            var verifier = EmbeddedSignatureVerifier.Create();
-
-            return new PluginDiscoverer(_rawPluginPaths, verifier);
+            return new PluginDiscoverer(_rawPluginPaths);
         }
 
         private bool IsPluginPossiblyAvailable()
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/UnixAndMonoPlatformsEmbeddedSignatureVerifier.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/UnixAndMonoPlatformsEmbeddedSignatureVerifier.cs
deleted file mode 100644
index 696a3fa6ff7..00000000000
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/UnixAndMonoPlatformsEmbeddedSignatureVerifier.cs
+++ /dev/null
@@ -1,31 +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;
-
-namespace NuGet.Protocol.Plugins
-{
-    /// <summary>
-    /// Embedded Signature Verifier for the MacOS, Linux and Mono platforms.
-    /// </summary>
-    public class UnixAndMonoPlatformsEmbeddedSignatureVerifier : EmbeddedSignatureVerifier
-    {
-        /// <summary>
-        /// Checks if a file has a valid embedded signature.
-        /// </summary>
-        /// <param name="filePath">The path of a file to be checked.</param>
-        /// <returns><see langword="true" /> if the file has a valid signature; otherwise, <see langword="false" />.</returns>
-        /// <exception cref="ArgumentException">Thrown if <paramref name="filePath" />
-        /// is either <see langword="null" /> or an empty string.</exception>
-        /// <exception cref="PlatformNotSupportedException">Thrown if the current platform is unsupported.</exception>
-        public override bool IsValid(string filePath)
-        {
-            if (string.IsNullOrEmpty(filePath))
-            {
-                throw new ArgumentException(Strings.Argument_Cannot_Be_Null_Or_Empty, nameof(filePath));
-            }
-            // There's no embedded signature verification on Linux, MacOS and Mono platforms
-            return true;
-        }
-    }
-}
diff --git a/src/NuGet.Core/NuGet.Protocol/Plugins/WindowsEmbeddedSignatureVerifier.cs b/src/NuGet.Core/NuGet.Protocol/Plugins/WindowsEmbeddedSignatureVerifier.cs
deleted file mode 100644
index 36619ad65c8..00000000000
--- a/src/NuGet.Core/NuGet.Protocol/Plugins/WindowsEmbeddedSignatureVerifier.cs
+++ /dev/null
@@ -1,175 +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.Runtime.InteropServices;
-
-namespace NuGet.Protocol.Plugins
-{
-    /// <summary>
-    /// Windows Authenticode signature verifier.
-    /// </summary>
-    public sealed class WindowsEmbeddedSignatureVerifier : EmbeddedSignatureVerifier
-    {
-        [DllImport("wintrust.dll", ExactSpelling = true, SetLastError = true, CharSet = CharSet.Unicode)]
-        private static extern int WinVerifyTrust([In] IntPtr hwnd,
-            [In][MarshalAs(UnmanagedType.LPStruct)] Guid pgActionID,
-            [In] WINTRUST_DATA pWVTData);
-
-        /// <summary>
-        /// Checks if a file has a valid Authenticode signature.
-        /// </summary>
-        /// <param name="filePath">The path of a file to be checked.</param>
-        /// <returns><see langword="true" /> if the file has a valid signature; otherwise, <see langword="false" />.</returns>
-        /// <exception cref="ArgumentException">Thrown if <paramref name="filePath" />
-        /// is either <see langword="null" /> or an empty string.</exception>
-        public override bool IsValid(string filePath)
-        {
-            if (string.IsNullOrEmpty(filePath))
-            {
-                throw new ArgumentException(Strings.ArgumentCannotBeNullOrEmpty, nameof(filePath));
-            }
-
-            var WINTRUST_ACTION_GENERIC_VERIFY_V2 = new Guid("{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}");
-
-            using (var pFilePath = new SafeCoTaskMem(filePath))
-            {
-                var fileInfo = new WINTRUST_FILE_INFO() { pcwszFilePath = pFilePath.DangerousGetHandle() };
-
-                using (var pFile = new SafeCoTaskMem((int)fileInfo.cbStruct))
-                {
-                    Marshal.StructureToPtr(fileInfo, pFile.DangerousGetHandle(), fDeleteOld: false);
-
-                    var data = new WINTRUST_DATA() { pFile = pFile.DangerousGetHandle() };
-
-                    return WinVerifyTrust(IntPtr.Zero, WINTRUST_ACTION_GENERIC_VERIFY_V2, data) == 0;
-                }
-            }
-        }
-
-        private sealed class SafeCoTaskMem : SafeHandle
-        {
-            private SafeCoTaskMem() : base(IntPtr.Zero, ownsHandle: true)
-            {
-            }
-
-            internal SafeCoTaskMem(int cbSize) : this()
-            {
-                handle = Marshal.AllocCoTaskMem(cbSize);
-            }
-
-            internal SafeCoTaskMem(string value) : this()
-            {
-                handle = Marshal.StringToCoTaskMemUni(value);
-            }
-
-            public override bool IsInvalid
-            {
-                get { return handle == IntPtr.Zero || handle == IntPtr.Zero; }
-            }
-
-            protected override bool ReleaseHandle()
-            {
-                if (!IsInvalid)
-                {
-                    Marshal.FreeCoTaskMem(handle);
-                }
-
-                return true;
-            }
-        }
-
-        private enum UIChoice : uint
-        {
-            WTD_UI_ALL = 1,
-            WTD_UI_NONE = 2,
-            WTD_UI_NOBAD = 3,
-            WTD_UI_NOGOOD = 4
-        }
-
-        private enum RevocationChecks : uint
-        {
-            WTD_REVOKE_NONE = 0,
-            WTD_REVOKE_WHOLECHAIN = 1
-        }
-
-        private enum UnionChoice : uint
-        {
-            WTD_CHOICE_FILE = 1,
-            WTD_CHOICE_CATALOG = 2,
-            WTD_CHOICE_BLOB = 3,
-            WTD_CHOICE_SIGNER = 4,
-            WTD_CHOICE_CERT = 5
-        }
-
-        private enum StateAction : uint
-        {
-            WTD_STATEACTION_IGNORE = 0,
-            WTD_STATEACTION_VERIFY = 1,
-            WTD_STATEACTION_CLOSE = 2,
-            WTD_STATEACTION_AUTO_CACHE = 3,
-            WTD_STATEACTION_AUTO_CACHE_FLUSH = 4
-        }
-
-        [Flags]
-        private enum ProviderFlags : uint
-        {
-            WTD_USE_IE4_TRUST_FLAG = 1,
-            WTD_NO_IE4_CHAIN_FLAG = 2,
-            WTD_NO_POLICY_USAGE_FLAG = 4,
-            WTD_REVOCATION_CHECK_NONE = 16,
-            WTD_REVOCATION_CHECK_END_CERT = 32,
-            WTD_REVOCATION_CHECK_CHAIN = 64,
-            WTD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT = 128,
-            WTD_SAFER_FLAG = 256,
-            WTD_HASH_ONLY_FLAG = 512,
-            WTD_USE_DEFAULT_OSVER_CHECK = 1024,
-            WTD_LIFETIME_SIGNING_FLAG = 2048,
-            WTD_CACHE_ONLY_URL_RETRIEVAL = 4096,
-            WTD_DISABLE_MD2_MD4 = 8192,
-            WTD_MOTW = 16384
-        }
-
-        [Flags]
-        private enum UIContext : uint
-        {
-            WTD_UICONTEXT_EXECUTE = 0,
-            WTD_UICONTEXT_INSTALL = 1
-        }
-
-        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
-        private sealed class WINTRUST_FILE_INFO
-        {
-#if IS_DESKTOP
-            internal uint cbStruct = (uint)Marshal.SizeOf(typeof(WINTRUST_FILE_INFO));
-#else
-            internal uint cbStruct = (uint)Marshal.SizeOf<WINTRUST_FILE_INFO>();
-#endif
-            internal IntPtr pcwszFilePath;
-            internal IntPtr hFile;
-            internal IntPtr pgKnownSubject;
-        }
-
-        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
-        private sealed class WINTRUST_DATA
-        {
-#if IS_DESKTOP
-            internal uint cbStruct = (uint)Marshal.SizeOf(typeof(WINTRUST_DATA));
-#else
-            internal uint cbStruct = (uint)Marshal.SizeOf<WINTRUST_DATA>();
-#endif
-            internal IntPtr pPolicyCallbackData = IntPtr.Zero;
-            internal IntPtr pSIPClientData = IntPtr.Zero;
-            internal UIChoice dwUIChoice = UIChoice.WTD_UI_NONE;
-            internal RevocationChecks fdwRevocationChecks = RevocationChecks.WTD_REVOKE_NONE;
-            internal UnionChoice dwUnionChoice = UnionChoice.WTD_CHOICE_FILE;
-            internal IntPtr pFile;
-            internal StateAction dwStateAction = StateAction.WTD_STATEACTION_IGNORE;
-            internal IntPtr hWVTStateData = IntPtr.Zero;
-            internal string pwszURLReference = null;
-            internal ProviderFlags dwProvFlags = ProviderFlags.WTD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT
-                | ProviderFlags.WTD_DISABLE_MD2_MD4;
-            internal UIContext dwUIContext = UIContext.WTD_UICONTEXT_EXECUTE;
-        }
-    }
-}
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Shipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Shipped.txt
index 00d918eb6d2..def020375d4 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Shipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Shipped.txt
@@ -891,10 +891,6 @@ NuGet.Protocol.Plugins.CopyNupkgFileRequest
 NuGet.Protocol.Plugins.CopyNupkgFileResponse
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.CopyNupkgFileResponse(NuGet.Protocol.Plugins.MessageResponseCode responseCode) -> void
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.ResponseCode.get -> NuGet.Protocol.Plugins.MessageResponseCode
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.EmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.FallbackEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.Plugins.Fault
 ~NuGet.Protocol.Plugins.Fault.Fault(string message) -> void
 ~NuGet.Protocol.Plugins.Fault.Message.get -> string
@@ -1203,7 +1199,6 @@ NuGet.Protocol.Plugins.PluginCreationResult
 NuGet.Protocol.Plugins.PluginDiscoverer
 ~NuGet.Protocol.Plugins.PluginDiscoverer.DiscoverAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Collections.Generic.IEnumerable<NuGet.Protocol.Plugins.PluginDiscoveryResult>>
 NuGet.Protocol.Plugins.PluginDiscoverer.Dispose() -> void
-~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths, NuGet.Protocol.Plugins.EmbeddedSignatureVerifier verifier) -> void
 NuGet.Protocol.Plugins.PluginDiscoveryResult
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.Message.get -> string
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.PluginDiscoveryResult(NuGet.Protocol.Plugins.PluginFile pluginFile) -> void
@@ -1337,10 +1332,6 @@ NuGet.Protocol.Plugins.SymmetricHandshake.Dispose() -> void
 ~NuGet.Protocol.Plugins.SymmetricHandshake.HandshakeAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<NuGet.Versioning.SemanticVersion>
 ~NuGet.Protocol.Plugins.SymmetricHandshake.SymmetricHandshake(NuGet.Protocol.Plugins.IConnection connection, System.TimeSpan handshakeTimeout, NuGet.Versioning.SemanticVersion protocolVersion, NuGet.Versioning.SemanticVersion minimumProtocolVersion) -> void
 NuGet.Protocol.Plugins.TimeoutUtilities
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.UnixAndMonoPlatformsEmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.WindowsEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.ProtocolConstants
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.OwnerDetailsUriResourceV3Provider() -> void
@@ -1568,7 +1559,6 @@ abstract NuGet.Protocol.Core.Types.ResourceProvider.TryCreate(NuGet.Protocol.Cor
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(NuGet.Packaging.Core.PackageIdentity identity, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(System.Uri path, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackages(NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> System.Collections.Generic.IEnumerable<NuGet.Protocol.LocalPackageInfo>
-~abstract NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.Dispose(bool disposing) -> void
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleCancelResponse() -> void
 ~abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
@@ -1787,7 +1777,6 @@ override NuGet.Protocol.Model.PackageVulnerabilityInfo.GetHashCode() -> int
 ~override NuGet.Protocol.PackageUpdateResourceV2Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PackageUpdateResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PluginFindPackageByIdResourceProvider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
-~override NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleCancelResponse() -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleProgress(NuGet.Protocol.Plugins.Message progress) -> void
@@ -1845,8 +1834,6 @@ override NuGet.Protocol.Plugins.PluginPackageReader.IsServiceable() -> bool
 override NuGet.Protocol.Plugins.StandardInputReceiver.Connect() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Close() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Connect() -> void
-~override NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
-~override NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 override NuGet.Protocol.Providers.VulnerabilityInfoResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 ~override NuGet.Protocol.ProxyAuthenticationHandler.SendAsync(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage>
@@ -2008,7 +1995,6 @@ static NuGet.Protocol.Events.ProtocolDiagnostics.ResourceEvent -> NuGet.Protocol
 ~static NuGet.Protocol.PackageDetailsUriResourceV3.CreateOrNull(string uriTemplate) -> NuGet.Protocol.PackageDetailsUriResourceV3
 ~static NuGet.Protocol.Plugins.AutomaticProgressReporter.Create(NuGet.Protocol.Plugins.IConnection connection, NuGet.Protocol.Plugins.Message request, System.TimeSpan interval, System.Threading.CancellationToken cancellationToken) -> NuGet.Protocol.Plugins.AutomaticProgressReporter
 ~static NuGet.Protocol.Plugins.ConnectionOptions.CreateDefault(NuGet.Common.IEnvironmentVariableReader reader = null) -> NuGet.Protocol.Plugins.ConnectionOptions
-~static NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.Create() -> NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Deserialize<T>(string json) -> T
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.FromObject(object value) -> Newtonsoft.Json.Linq.JObject
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Serialize(Newtonsoft.Json.JsonWriter writer, object value) -> void
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Unshipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Unshipped.txt
index 7dc5c58110b..9f62b32fec7 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Unshipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net472/PublicAPI.Unshipped.txt
@@ -1 +1,2 @@
 #nullable enable
+~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths) -> void
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Shipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Shipped.txt
index 13f5869448a..86a9ec539e4 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Shipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Shipped.txt
@@ -891,10 +891,6 @@ NuGet.Protocol.Plugins.CopyNupkgFileRequest
 NuGet.Protocol.Plugins.CopyNupkgFileResponse
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.CopyNupkgFileResponse(NuGet.Protocol.Plugins.MessageResponseCode responseCode) -> void
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.ResponseCode.get -> NuGet.Protocol.Plugins.MessageResponseCode
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.EmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.FallbackEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.Plugins.Fault
 ~NuGet.Protocol.Plugins.Fault.Fault(string message) -> void
 ~NuGet.Protocol.Plugins.Fault.Message.get -> string
@@ -1203,7 +1199,6 @@ NuGet.Protocol.Plugins.PluginCreationResult
 NuGet.Protocol.Plugins.PluginDiscoverer
 ~NuGet.Protocol.Plugins.PluginDiscoverer.DiscoverAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Collections.Generic.IEnumerable<NuGet.Protocol.Plugins.PluginDiscoveryResult>>
 NuGet.Protocol.Plugins.PluginDiscoverer.Dispose() -> void
-~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths, NuGet.Protocol.Plugins.EmbeddedSignatureVerifier verifier) -> void
 NuGet.Protocol.Plugins.PluginDiscoveryResult
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.Message.get -> string
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.PluginDiscoveryResult(NuGet.Protocol.Plugins.PluginFile pluginFile) -> void
@@ -1337,10 +1332,6 @@ NuGet.Protocol.Plugins.SymmetricHandshake.Dispose() -> void
 ~NuGet.Protocol.Plugins.SymmetricHandshake.HandshakeAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<NuGet.Versioning.SemanticVersion>
 ~NuGet.Protocol.Plugins.SymmetricHandshake.SymmetricHandshake(NuGet.Protocol.Plugins.IConnection connection, System.TimeSpan handshakeTimeout, NuGet.Versioning.SemanticVersion protocolVersion, NuGet.Versioning.SemanticVersion minimumProtocolVersion) -> void
 NuGet.Protocol.Plugins.TimeoutUtilities
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.UnixAndMonoPlatformsEmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.WindowsEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.ProtocolConstants
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.OwnerDetailsUriResourceV3Provider() -> void
@@ -1564,7 +1555,6 @@ abstract NuGet.Protocol.Core.Types.ResourceProvider.TryCreate(NuGet.Protocol.Cor
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(NuGet.Packaging.Core.PackageIdentity identity, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(System.Uri path, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackages(NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> System.Collections.Generic.IEnumerable<NuGet.Protocol.LocalPackageInfo>
-~abstract NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.Dispose(bool disposing) -> void
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleCancelResponse() -> void
 ~abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
@@ -1778,7 +1768,6 @@ override NuGet.Protocol.Model.PackageVulnerabilityInfo.GetHashCode() -> int
 ~override NuGet.Protocol.PackageUpdateResourceV2Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PackageUpdateResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PluginFindPackageByIdResourceProvider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
-~override NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleCancelResponse() -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleProgress(NuGet.Protocol.Plugins.Message progress) -> void
@@ -1836,8 +1825,6 @@ override NuGet.Protocol.Plugins.PluginPackageReader.IsServiceable() -> bool
 override NuGet.Protocol.Plugins.StandardInputReceiver.Connect() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Close() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Connect() -> void
-~override NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
-~override NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 override NuGet.Protocol.Providers.VulnerabilityInfoResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 ~override NuGet.Protocol.ProxyAuthenticationHandler.SendAsync(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage>
@@ -1998,7 +1985,6 @@ static NuGet.Protocol.Events.ProtocolDiagnostics.ResourceEvent -> NuGet.Protocol
 ~static NuGet.Protocol.PackageDetailsUriResourceV3.CreateOrNull(string uriTemplate) -> NuGet.Protocol.PackageDetailsUriResourceV3
 ~static NuGet.Protocol.Plugins.AutomaticProgressReporter.Create(NuGet.Protocol.Plugins.IConnection connection, NuGet.Protocol.Plugins.Message request, System.TimeSpan interval, System.Threading.CancellationToken cancellationToken) -> NuGet.Protocol.Plugins.AutomaticProgressReporter
 ~static NuGet.Protocol.Plugins.ConnectionOptions.CreateDefault(NuGet.Common.IEnvironmentVariableReader reader = null) -> NuGet.Protocol.Plugins.ConnectionOptions
-~static NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.Create() -> NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Deserialize<T>(string json) -> T
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.FromObject(object value) -> Newtonsoft.Json.Linq.JObject
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Serialize(Newtonsoft.Json.JsonWriter writer, object value) -> void
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Unshipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Unshipped.txt
index 7dc5c58110b..9f62b32fec7 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Unshipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/net8.0/PublicAPI.Unshipped.txt
@@ -1 +1,2 @@
 #nullable enable
+~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths) -> void
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Shipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Shipped.txt
index 13f5869448a..86a9ec539e4 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Shipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Shipped.txt
@@ -891,10 +891,6 @@ NuGet.Protocol.Plugins.CopyNupkgFileRequest
 NuGet.Protocol.Plugins.CopyNupkgFileResponse
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.CopyNupkgFileResponse(NuGet.Protocol.Plugins.MessageResponseCode responseCode) -> void
 NuGet.Protocol.Plugins.CopyNupkgFileResponse.ResponseCode.get -> NuGet.Protocol.Plugins.MessageResponseCode
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.EmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.FallbackEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.Plugins.Fault
 ~NuGet.Protocol.Plugins.Fault.Fault(string message) -> void
 ~NuGet.Protocol.Plugins.Fault.Message.get -> string
@@ -1203,7 +1199,6 @@ NuGet.Protocol.Plugins.PluginCreationResult
 NuGet.Protocol.Plugins.PluginDiscoverer
 ~NuGet.Protocol.Plugins.PluginDiscoverer.DiscoverAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Collections.Generic.IEnumerable<NuGet.Protocol.Plugins.PluginDiscoveryResult>>
 NuGet.Protocol.Plugins.PluginDiscoverer.Dispose() -> void
-~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths, NuGet.Protocol.Plugins.EmbeddedSignatureVerifier verifier) -> void
 NuGet.Protocol.Plugins.PluginDiscoveryResult
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.Message.get -> string
 ~NuGet.Protocol.Plugins.PluginDiscoveryResult.PluginDiscoveryResult(NuGet.Protocol.Plugins.PluginFile pluginFile) -> void
@@ -1337,10 +1332,6 @@ NuGet.Protocol.Plugins.SymmetricHandshake.Dispose() -> void
 ~NuGet.Protocol.Plugins.SymmetricHandshake.HandshakeAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<NuGet.Versioning.SemanticVersion>
 ~NuGet.Protocol.Plugins.SymmetricHandshake.SymmetricHandshake(NuGet.Protocol.Plugins.IConnection connection, System.TimeSpan handshakeTimeout, NuGet.Versioning.SemanticVersion protocolVersion, NuGet.Versioning.SemanticVersion minimumProtocolVersion) -> void
 NuGet.Protocol.Plugins.TimeoutUtilities
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.UnixAndMonoPlatformsEmbeddedSignatureVerifier() -> void
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier
-NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.WindowsEmbeddedSignatureVerifier() -> void
 NuGet.Protocol.ProtocolConstants
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider
 NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.OwnerDetailsUriResourceV3Provider() -> void
@@ -1564,7 +1555,6 @@ abstract NuGet.Protocol.Core.Types.ResourceProvider.TryCreate(NuGet.Protocol.Cor
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(NuGet.Packaging.Core.PackageIdentity identity, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackage(System.Uri path, NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> NuGet.Protocol.LocalPackageInfo
 ~abstract NuGet.Protocol.FindLocalPackagesResource.GetPackages(NuGet.Common.ILogger logger, System.Threading.CancellationToken token) -> System.Collections.Generic.IEnumerable<NuGet.Protocol.LocalPackageInfo>
-~abstract NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.Dispose(bool disposing) -> void
 abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleCancelResponse() -> void
 ~abstract NuGet.Protocol.Plugins.OutboundRequestContext.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
@@ -1778,7 +1768,6 @@ override NuGet.Protocol.Model.PackageVulnerabilityInfo.GetHashCode() -> int
 ~override NuGet.Protocol.PackageUpdateResourceV2Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PackageUpdateResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
 ~override NuGet.Protocol.PluginFindPackageByIdResourceProvider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository source, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource>>
-~override NuGet.Protocol.Plugins.FallbackEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleCancelResponse() -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleFault(NuGet.Protocol.Plugins.Message fault) -> void
 ~override NuGet.Protocol.Plugins.OutboundRequestContext<TResult>.HandleProgress(NuGet.Protocol.Plugins.Message progress) -> void
@@ -1836,8 +1825,6 @@ override NuGet.Protocol.Plugins.PluginPackageReader.IsServiceable() -> bool
 override NuGet.Protocol.Plugins.StandardInputReceiver.Connect() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Close() -> void
 override NuGet.Protocol.Plugins.StandardOutputReceiver.Connect() -> void
-~override NuGet.Protocol.Plugins.UnixAndMonoPlatformsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
-~override NuGet.Protocol.Plugins.WindowsEmbeddedSignatureVerifier.IsValid(string filePath) -> bool
 override NuGet.Protocol.Providers.OwnerDetailsUriResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 override NuGet.Protocol.Providers.VulnerabilityInfoResourceV3Provider.TryCreate(NuGet.Protocol.Core.Types.SourceRepository! source, System.Threading.CancellationToken token) -> System.Threading.Tasks.Task<System.Tuple<bool, NuGet.Protocol.Core.Types.INuGetResource?>!>!
 ~override NuGet.Protocol.ProxyAuthenticationHandler.SendAsync(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage>
@@ -1998,7 +1985,6 @@ static NuGet.Protocol.Events.ProtocolDiagnostics.ResourceEvent -> NuGet.Protocol
 ~static NuGet.Protocol.PackageDetailsUriResourceV3.CreateOrNull(string uriTemplate) -> NuGet.Protocol.PackageDetailsUriResourceV3
 ~static NuGet.Protocol.Plugins.AutomaticProgressReporter.Create(NuGet.Protocol.Plugins.IConnection connection, NuGet.Protocol.Plugins.Message request, System.TimeSpan interval, System.Threading.CancellationToken cancellationToken) -> NuGet.Protocol.Plugins.AutomaticProgressReporter
 ~static NuGet.Protocol.Plugins.ConnectionOptions.CreateDefault(NuGet.Common.IEnvironmentVariableReader reader = null) -> NuGet.Protocol.Plugins.ConnectionOptions
-~static NuGet.Protocol.Plugins.EmbeddedSignatureVerifier.Create() -> NuGet.Protocol.Plugins.EmbeddedSignatureVerifier
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Deserialize<T>(string json) -> T
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.FromObject(object value) -> Newtonsoft.Json.Linq.JObject
 ~static NuGet.Protocol.Plugins.JsonSerializationUtilities.Serialize(Newtonsoft.Json.JsonWriter writer, object value) -> void
diff --git a/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt b/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
index 7dc5c58110b..9f62b32fec7 100644
--- a/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
+++ b/src/NuGet.Core/NuGet.Protocol/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
@@ -1 +1,2 @@
 #nullable enable
+~NuGet.Protocol.Plugins.PluginDiscoverer.PluginDiscoverer(string rawPluginPaths) -> void
diff --git a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/EmbeddedSignatureVerifierTests.cs b/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/EmbeddedSignatureVerifierTests.cs
deleted file mode 100644
index a2a12c7ffa9..00000000000
--- a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/EmbeddedSignatureVerifierTests.cs
+++ /dev/null
@@ -1,35 +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 NuGet.Test.Utility;
-using Xunit;
-
-namespace NuGet.Protocol.Plugins.Tests
-{
-    public class EmbeddedSignatureVerifierTests
-    {
-        [PlatformFact(Platform.Windows)]
-        public void Create_ReturnsWindowsEmbeddedSignatureVerifierOnWindows()
-        {
-            var verifier = EmbeddedSignatureVerifier.Create();
-
-            Assert.IsType<WindowsEmbeddedSignatureVerifier>(verifier);
-        }
-
-        [PlatformFact(Platform.Darwin)]
-        public void Create_ReturnsUnixPlatformsEmbeddedSignatureVerifierOnMacOS()
-        {
-            var verifier = EmbeddedSignatureVerifier.Create();
-
-            Assert.IsType<UnixAndMonoPlatformsEmbeddedSignatureVerifier>(verifier);
-        }
-
-        [PlatformFact(Platform.Linux)]
-        public void Create_ReturnsUnixPlatformsEmbeddedSignatureVerifierOnLinux()
-        {
-            var verifier = EmbeddedSignatureVerifier.Create();
-
-            Assert.IsType<UnixAndMonoPlatformsEmbeddedSignatureVerifier>(verifier);
-        }
-    }
-}
diff --git a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/FallbackEmbeddedSignatureVerifierTests.cs b/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/FallbackEmbeddedSignatureVerifierTests.cs
deleted file mode 100644
index 658c2de0d05..00000000000
--- a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/FallbackEmbeddedSignatureVerifierTests.cs
+++ /dev/null
@@ -1,19 +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 Xunit;
-
-namespace NuGet.Protocol.Plugins.Tests
-{
-    public class FallbackEmbeddedSignatureVerifierTests
-    {
-        [Fact]
-        public void IsValid_Throws()
-        {
-            var verifier = new FallbackEmbeddedSignatureVerifier();
-
-            Assert.Throws<PlatformNotSupportedException>(() => verifier.IsValid(filePath: "a"));
-        }
-    }
-}
diff --git a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/PluginDiscovererTests.cs b/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/PluginDiscovererTests.cs
index a67b08e1c18..f48460dee65 100644
--- a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/PluginDiscovererTests.cs
+++ b/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/PluginDiscovererTests.cs
@@ -7,7 +7,6 @@
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Moq;
 using NuGet.Test.Utility;
 using Xunit;
 
@@ -21,56 +20,25 @@ public class PluginDiscovererTests
         [InlineData(" ")]
         public void Constructor_AcceptsAnyString(string rawPluginPaths)
         {
-            using (new PluginDiscoverer(rawPluginPaths, Mock.Of<EmbeddedSignatureVerifier>()))
+            using (new PluginDiscoverer(rawPluginPaths))
             {
             }
         }
 
-        [Fact]
-        public void DiscoverAsync_ThrowsForNullVerifier()
-        {
-            var exception = Assert.Throws<ArgumentNullException>(
-                () => new PluginDiscoverer(rawPluginPaths: "", verifier: null));
-
-            Assert.Equal("verifier", exception.ParamName);
-        }
-
         [Fact]
         public async Task DiscoverAsync_ThrowsIfCancelled()
         {
-            using (var discoverer = new PluginDiscoverer(
-                rawPluginPaths: "",
-                verifier: Mock.Of<EmbeddedSignatureVerifier>()))
+            using (var discoverer = new PluginDiscoverer(rawPluginPaths: ""))
             {
                 await Assert.ThrowsAsync<OperationCanceledException>(
                     () => discoverer.DiscoverAsync(new CancellationToken(canceled: true)));
             }
         }
 
-        [Fact]
-        public async Task DiscoverAsync_ThrowsPlatformNotSupportedIfEmbeddedSignatureVerifierIsRequired()
-        {
-            using (var testDirectory = TestDirectory.Create())
-            {
-                var pluginPath = Path.Combine(testDirectory.Path, "a");
-
-                File.WriteAllText(pluginPath, string.Empty);
-
-                using (var discoverer = new PluginDiscoverer(pluginPath, new FallbackEmbeddedSignatureVerifier()))
-                {
-                    var plugins = await discoverer.DiscoverAsync(CancellationToken.None);
-                    Assert.Throws<PlatformNotSupportedException>(
-                        () => plugins.SingleOrDefault().PluginFile.State.Value);
-                }
-            }
-        }
-
         [Fact]
         public async Task DiscoverAsync_DoesNotThrowIfNoValidFilePathsAndFallbackEmbeddedSignatureVerifier()
         {
-            using (var discoverer = new PluginDiscoverer(
-                rawPluginPaths: ";",
-                verifier: new FallbackEmbeddedSignatureVerifier()))
+            using (var discoverer = new PluginDiscoverer(rawPluginPaths: ";"))
             {
                 var pluginFiles = await discoverer.DiscoverAsync(CancellationToken.None);
 
@@ -91,9 +59,8 @@ public async Task DiscoverAsync_PerformsDiscoveryOnlyOnce()
                 {
                     { pluginPath, true }
                 };
-                var verifierStub = new EmbeddedSignatureVerifierStub(responses);
 
-                using (var discoverer = new PluginDiscoverer(pluginPath, verifierStub))
+                using (var discoverer = new PluginDiscoverer(pluginPath))
                 {
                     var results = (await discoverer.DiscoverAsync(CancellationToken.None)).ToArray();
 
@@ -103,41 +70,10 @@ public async Task DiscoverAsync_PerformsDiscoveryOnlyOnce()
                     }
 
                     Assert.Equal(1, results.Length);
-                    Assert.Equal(1, verifierStub.IsValidCallCount);
 
                     results = (await discoverer.DiscoverAsync(CancellationToken.None)).ToArray();
 
                     Assert.Equal(1, results.Length);
-                    Assert.Equal(1, verifierStub.IsValidCallCount);
-                }
-            }
-        }
-
-        [Fact]
-        public async Task DiscoverAsync_SignatureIsVerifiedLazily()
-        {
-            using (var testDirectory = TestDirectory.Create())
-            {
-                var pluginPath = Path.Combine(testDirectory.Path, "a");
-
-                File.WriteAllText(pluginPath, string.Empty);
-
-                var responses = new Dictionary<string, bool>()
-                {
-                    { pluginPath, true }
-                };
-                var verifierStub = new EmbeddedSignatureVerifierStub(responses);
-
-                using (var discoverer = new PluginDiscoverer(pluginPath, verifierStub))
-                {
-                    var results = (await discoverer.DiscoverAsync(CancellationToken.None)).ToArray();
-
-                    Assert.Equal(1, results.Length);
-                    Assert.Equal(0, verifierStub.IsValidCallCount);
-
-                    var pluginState = results.SingleOrDefault().PluginFile.State.Value;
-
-                    Assert.Equal(1, verifierStub.IsValidCallCount);
                 }
             }
         }
@@ -147,49 +83,32 @@ public async Task DiscoverAsync_HandlesAllPluginFileStates()
         {
             using (var testDirectory = TestDirectory.Create())
             {
-                var pluginPaths = new[] { "a", "b", "c", "d" }
+                var pluginPaths = new[] { "a", "b", }
                     .Select(fileName => Path.Combine(testDirectory.Path, fileName))
                     .ToArray();
 
                 File.WriteAllText(pluginPaths[1], string.Empty);
-                File.WriteAllText(pluginPaths[2], string.Empty);
 
-                var responses = new Dictionary<string, bool>()
-                {
-                    { pluginPaths[0], false },
-                    { pluginPaths[1], false },
-                    { pluginPaths[2], true },
-                    { pluginPaths[3], false },
-                    { "e", true }
-                };
-                var verifierStub = new EmbeddedSignatureVerifierStub(responses);
-                var rawPluginPaths = string.Join(";", responses.Keys);
+                string rawPluginPaths =
+                    $"{pluginPaths[0]};{pluginPaths[1]};c";
 
-                using (var discoverer = new PluginDiscoverer(rawPluginPaths, verifierStub))
+                using (var discoverer = new PluginDiscoverer(rawPluginPaths))
                 {
                     var results = (await discoverer.DiscoverAsync(CancellationToken.None)).ToArray();
 
-                    Assert.Equal(5, results.Length);
+                    Assert.Equal(3, results.Length);
 
                     Assert.Equal(pluginPaths[0], results[0].PluginFile.Path);
                     Assert.Equal(PluginFileState.NotFound, results[0].PluginFile.State.Value);
                     Assert.Equal($"A plugin was not found at path '{pluginPaths[0]}'.", results[0].Message);
 
                     Assert.Equal(pluginPaths[1], results[1].PluginFile.Path);
-                    Assert.Equal(PluginFileState.InvalidEmbeddedSignature, results[1].PluginFile.State.Value);
-                    Assert.Equal($"The plugin at '{pluginPaths[1]}' did not have a valid embedded signature.", results[1].Message);
+                    Assert.Equal(PluginFileState.Valid, results[1].PluginFile.State.Value);
+                    Assert.Null(results[1].Message);
 
-                    Assert.Equal(pluginPaths[2], results[2].PluginFile.Path);
-                    Assert.Equal(PluginFileState.Valid, results[2].PluginFile.State.Value);
-                    Assert.Null(results[2].Message);
-
-                    Assert.Equal(pluginPaths[3], results[3].PluginFile.Path);
-                    Assert.Equal(PluginFileState.NotFound, results[3].PluginFile.State.Value);
-                    Assert.Equal($"A plugin was not found at path '{pluginPaths[3]}'.", results[3].Message);
-
-                    Assert.Equal("e", results[4].PluginFile.Path);
-                    Assert.Equal(PluginFileState.InvalidFilePath, results[4].PluginFile.State.Value);
-                    Assert.Equal($"The plugin file path 'e' is invalid.", results[4].Message);
+                    Assert.Equal("c", results[2].PluginFile.Path);
+                    Assert.Equal(PluginFileState.InvalidFilePath, results[2].PluginFile.State.Value);
+                    Assert.Equal($"The plugin file path 'c' is invalid.", results[2].Message);
                 }
             }
         }
@@ -202,9 +121,8 @@ public async Task DiscoverAsync_HandlesAllPluginFileStates()
         public async Task DiscoverAsync_DisallowsNonRootedFilePaths(string pluginPath)
         {
             var responses = new Dictionary<string, bool>() { { pluginPath, true } };
-            var verifierStub = new EmbeddedSignatureVerifierStub(responses);
 
-            using (var discoverer = new PluginDiscoverer(pluginPath, verifierStub))
+            using (var discoverer = new PluginDiscoverer(pluginPath))
             {
                 var results = (await discoverer.DiscoverAsync(CancellationToken.None)).ToArray();
 
@@ -223,51 +141,17 @@ public async Task DiscoverAsync_IsIdempotent()
 
                 File.WriteAllText(pluginPath, string.Empty);
 
-                var verifierSpy = new Mock<EmbeddedSignatureVerifier>();
-
-                verifierSpy.Setup(spy => spy.IsValid(It.IsAny<string>()))
-                    .Returns(true);
-
-                using (var discoverer = new PluginDiscoverer(pluginPath, verifierSpy.Object))
+                using (var discoverer = new PluginDiscoverer(pluginPath))
                 {
                     var firstResult = await discoverer.DiscoverAsync(CancellationToken.None);
                     var firstState = firstResult.SingleOrDefault().PluginFile.State.Value;
 
-                    verifierSpy.Verify(spy => spy.IsValid(It.IsAny<string>()),
-                        Times.Once);
-
                     var secondResult = await discoverer.DiscoverAsync(CancellationToken.None);
                     var secondState = secondResult.SingleOrDefault().PluginFile.State.Value;
 
-                    verifierSpy.Verify(spy => spy.IsValid(It.IsAny<string>()),
-                        Times.Once);
-
                     Assert.Same(firstResult, secondResult);
                 }
             }
         }
-
-        private sealed class EmbeddedSignatureVerifierStub : EmbeddedSignatureVerifier
-        {
-            private readonly Dictionary<string, bool> _responses;
-
-            internal int IsValidCallCount { get; private set; }
-
-            public EmbeddedSignatureVerifierStub(Dictionary<string, bool> responses)
-            {
-                _responses = responses;
-            }
-
-            public override bool IsValid(string filePath)
-            {
-                ++IsValidCallCount;
-
-                bool value;
-
-                Assert.True(_responses.TryGetValue(filePath, out value));
-
-                return value;
-            }
-        }
     }
 }
diff --git a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/WindowsEmbeddedSignatureVerifierTests.cs b/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/WindowsEmbeddedSignatureVerifierTests.cs
deleted file mode 100644
index 8f930c13de0..00000000000
--- a/test/NuGet.Core.Tests/NuGet.Protocol.Tests/Plugins/WindowsEmbeddedSignatureVerifierTests.cs
+++ /dev/null
@@ -1,79 +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 NuGet.Test.Utility;
-using Xunit;
-
-namespace NuGet.Protocol.Plugins.Tests
-{
-    public class WindowsEmbeddedSignatureVerifierTests
-    {
-        private readonly WindowsEmbeddedSignatureVerifier _verifier;
-
-        public WindowsEmbeddedSignatureVerifierTests()
-        {
-            _verifier = new WindowsEmbeddedSignatureVerifier();
-        }
-
-        [Theory]
-        [InlineData(null)]
-        [InlineData("")]
-        public void IsValid_ThrowsForNullOrEmpty(string filePath)
-        {
-            var expectedMessage = "Argument cannot be null or empty.";
-            var expectedParam = "filePath";
-            var exception = Assert.Throws<ArgumentException>(() => _verifier.IsValid(filePath));
-
-            Assert.Contains(expectedMessage, exception.Message);
-            Assert.Equal(expectedParam, exception.ParamName);
-            //Remove the expected message from the exception message, the rest part should have param info.
-            //Background of this change: System.ArgumentException(string message, string paramName) used to generate two lines of message before, but changed to generate one line
-            //in PR: https://github.com/dotnet/coreclr/pull/25185/files#diff-0365d5690376ef849bf908dfc225b8e8
-            var paramPart = exception.Message.Substring(exception.Message.IndexOf(expectedMessage) + expectedMessage.Length);
-            Assert.Contains(expectedParam, paramPart);
-        }
-
-        [PlatformFact(Platform.Windows)]
-        public void IsValid_ReturnsTrueForValidFile()
-        {
-            var filePath = Path.Combine(Environment.GetEnvironmentVariable("WINDIR"), "System32", "wintrust.dll");
-
-            var actualResult = _verifier.IsValid(filePath);
-
-            Assert.True(actualResult);
-        }
-
-        [PlatformFact(Platform.Windows)]
-        public void IsValid_ReturnsFalseForNonExistentFilePath()
-        {
-            var filePath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
-            var actualResult = _verifier.IsValid(filePath);
-
-            Assert.False(actualResult);
-        }
-
-        [PlatformFact(Platform.Windows)]
-        public void IsValid_ReturnsFalseForInvalidFile()
-        {
-            using (var testDirectory = TestDirectory.Create())
-            {
-                // This is the build output from a default class library project.
-                // There is nothing special about it; any unsigned DLL would work just as well.
-                // This is a better test than an arbitrary file (e.g.:  file.txt) because
-                // this is a portable executable (PE) file.  Authenticode signatures are
-                // expected in PE files.
-                var fileName = "DefaultClassLibrary.dll";
-                var resourceName = $"NuGet.Protocol.Tests.compiler.resources.{fileName}";
-                var filePath = Path.Combine(testDirectory.Path, fileName);
-
-                ResourceTestUtility.CopyResourceToFile(resourceName, GetType(), filePath);
-
-                var actualResult = _verifier.IsValid(filePath);
-
-                Assert.False(actualResult);
-            }
-        }
-    }
-}