Merge branch 'retargeting-contracts'

1 files changed, 1 insertions, 3 deletions

diff --git a/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs b/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs
index a5202de..e04a633 100644
--- a/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs
+++ b/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs
@@ -8,7 +8,6 @@ namespace DotNetOpenAuth.OpenId {
 	using System;
 	using System.Collections.Generic;
 	using System.Diagnostics.CodeAnalysis;
-	using System.Diagnostics.Contracts;
 	using System.Globalization;
 	using System.IO;
 	using System.Linq;
@@ -19,6 +18,7 @@ namespace DotNetOpenAuth.OpenId {
 	using DotNetOpenAuth.OpenId.ChannelElements;
 	using DotNetOpenAuth.OpenId.Extensions;
 	using Org.Mentalis.Security.Cryptography;
+	using Validation;
 
 	/// <summary>
 	/// A set of utilities especially useful to OpenID.
@@ -69,8 +69,6 @@ namespace DotNetOpenAuth.OpenId {
 		/// </summary>
 		/// <returns>The association handle.</returns>
 		public static string GenerateRandomAssociationHandle() {
-			Contract.Ensures(!string.IsNullOrEmpty(Contract.Result<string>()));
-
 			// Generate the handle.  It must be unique, and preferably unpredictable,
 			// so we use a time element and a random data element to generate it.
 			string uniq = MessagingUtilities.GetCryptoRandomDataAsBase64(4);