diff --git a/MapQuest/MapQuestGeocoder.cs b/MapQuest/MapQuestGeocoder.cs
index 460cae9..8fcc54d 100644
--- a/MapQuest/MapQuestGeocoder.cs
+++ b/MapQuest/MapQuestGeocoder.cs
@@ -170,7 +170,6 @@ HttpWebRequest Send(BaseRequest f)
 			}
 			request.Method = f.RequestVerb;
 			request.ContentType = "application/" + f.InputFormat;
-			request.Expect = "application/" + f.OutputFormat;
 
 			if (Proxy != null)
 				request.Proxy = Proxy;