1 files changed, 1 insertions, 51 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/IMessageFactory.cs b/src/DotNetOpenAuth.Core/Messaging/IMessageFactory.cs
index e45ac1d..1e86328 100644
--- a/src/DotNetOpenAuth.Core/Messaging/IMessageFactory.cs
+++ b/src/DotNetOpenAuth.Core/Messaging/IMessageFactory.cs
@@ -7,13 +7,12 @@
 namespace DotNetOpenAuth.Messaging {
 	using System;
 	using System.Collections.Generic;
-	using System.Diagnostics.Contracts;
+	using Validation;
 
 	/// <summary>
 	/// A tool to analyze an incoming message to figure out what concrete class
 	/// is designed to deserialize it and instantiates that class.
 	/// </summary>
-	[ContractClass(typeof(IMessageFactoryContract))]
 	public interface IMessageFactory {
 		/// <summary>
 		/// Analyzes an incoming request message payload to discover what kind of 
@@ -41,53 +40,4 @@ namespace DotNetOpenAuth.Messaging {
 		/// </returns>
 		IDirectResponseProtocolMessage GetNewResponseMessage(IDirectedProtocolMessage request, IDictionary<string, string> fields);
 	}
-
-	/// <summary>
-	/// Code contract for the <see cref="IMessageFactory"/> interface.
-	/// </summary>
-	[ContractClassFor(typeof(IMessageFactory))]
-	internal abstract class IMessageFactoryContract : IMessageFactory {
-		/// <summary>
-		/// Prevents a default instance of the <see cref="IMessageFactoryContract"/> class from being created.
-		/// </summary>
-		private IMessageFactoryContract() {
-		}
-
-		#region IMessageFactory Members
-
-		/// <summary>
-		/// Analyzes an incoming request message payload to discover what kind of
-		/// message is embedded in it and returns the type, or null if no match is found.
-		/// </summary>
-		/// <param name="recipient">The intended or actual recipient of the request message.</param>
-		/// <param name="fields">The name/value pairs that make up the message payload.</param>
-		/// <returns>
-		/// A newly instantiated <see cref="IProtocolMessage"/>-derived object that this message can
-		/// deserialize to.  Null if the request isn't recognized as a valid protocol message.
-		/// </returns>
-		IDirectedProtocolMessage IMessageFactory.GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary<string, string> fields) {
-			Requires.NotNull(recipient, "recipient");
-			Requires.NotNull(fields, "fields");
-
-			throw new NotImplementedException();
-		}
-
-		/// <summary>
-		/// Analyzes an incoming request message payload to discover what kind of
-		/// message is embedded in it and returns the type, or null if no match is found.
-		/// </summary>
-		/// <param name="request">The message that was sent as a request that resulted in the response.</param>
-		/// <param name="fields">The name/value pairs that make up the message payload.</param>
-		/// <returns>
-		/// A newly instantiated <see cref="IProtocolMessage"/>-derived object that this message can
-		/// deserialize to.  Null if the request isn't recognized as a valid protocol message.
-		/// </returns>
-		IDirectResponseProtocolMessage IMessageFactory.GetNewResponseMessage(IDirectedProtocolMessage request, IDictionary<string, string> fields) {
-			Requires.NotNull(request, "request");
-			Requires.NotNull(fields, "fields");
-			throw new NotImplementedException();
-		}
-
-		#endregion
-	}
 }