1 files changed, 0 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.OpenId.Provider/OpenId/Provider/PrivatePersonalIdentifierProviderBase.cs b/src/DotNetOpenAuth.OpenId.Provider/OpenId/Provider/PrivatePersonalIdentifierProviderBase.cs
index 8b1706a..2650e44 100644
--- a/src/DotNetOpenAuth.OpenId.Provider/OpenId/Provider/PrivatePersonalIdentifierProviderBase.cs
+++ b/src/DotNetOpenAuth.OpenId.Provider/OpenId/Provider/PrivatePersonalIdentifierProviderBase.cs
@@ -8,7 +8,6 @@ namespace DotNetOpenAuth.OpenId.Provider {
 	using System;
 	using System.Collections.Generic;
 	using System.Diagnostics.CodeAnalysis;
-	using System.Diagnostics.Contracts;
 	using System.Globalization;
 	using System.Linq;
 	using System.Security.Cryptography;