diff --git a/src/Microsoft.AspNet.Authentication.OpenIdConnect/INonceCache.cs b/src/Microsoft.AspNet.Authentication.OpenIdConnect/INonceCache.cs
deleted file mode 100644
index 8dc39aa9d8..0000000000
--- a/src/Microsoft.AspNet.Authentication.OpenIdConnect/INonceCache.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.
-
-namespace Microsoft.AspNet.Authentication.OpenIdConnect
-{
-    public interface INonceCache
-    {
-        bool TryAddNonce(string nonce);
-
-        bool TryRemoveNonce(string nonce);
-    }
-}