2 files changed, 1 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationCompleteEventArgs.cs b/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationCompleteEventArgs.cs
index a57034b..d7a080c 100644
--- a/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationCompleteEventArgs.cs
+++ b/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationCompleteEventArgs.cs
@@ -9,6 +9,7 @@ namespace DotNetOpenAuth.OAuth2 {
 	using System.Collections.Generic;
 	using System.Linq;
 	using System.Text;
+	using Validation;
 
 	/// <summary>
 	/// Describes the results of a completed authorization flow.
diff --git a/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationView.cs b/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationView.cs
index a0204fa..2c90c99 100644
--- a/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationView.cs
+++ b/src/DotNetOpenAuth.OAuth2.Client.UI/OAuth2/ClientAuthorizationView.cs
@@ -10,7 +10,6 @@ namespace DotNetOpenAuth.OAuth2 {
 	using System.ComponentModel;
 	using System.Data;
 	using System.Diagnostics.CodeAnalysis;
-	using System.Diagnostics.Contracts;
 	using System.Drawing;
 	using System.Linq;
 	using System.Text;