diff --git a/src/System.ServiceModel.Http/src/System/ServiceModel/HttpBindingBase.cs b/src/System.ServiceModel.Http/src/System/ServiceModel/HttpBindingBase.cs
index 74105555c60..6b2cf46e904 100644
--- a/src/System.ServiceModel.Http/src/System/ServiceModel/HttpBindingBase.cs
+++ b/src/System.ServiceModel.Http/src/System/ServiceModel/HttpBindingBase.cs
@@ -11,7 +11,7 @@
 
 namespace System.ServiceModel
 {
-    public abstract class HttpBindingBase : Binding, IBindingRuntimePreferences
+    public abstract class HttpBindingBase : Binding
     {
         // private BindingElements
         private HttpTransportBindingElement _httpTransport;
@@ -215,11 +215,6 @@ public bool UseDefaultWebProxy
             }
         }
 
-        bool IBindingRuntimePreferences.ReceiveSynchronously
-        {
-            get { return false; }
-        }
-
         internal TextMessageEncodingBindingElement TextMessageEncodingBindingElement { get; }
 
         internal MtomMessageEncodingBindingElement MtomMessageEncodingBindingElement { get; }