--- a/Implab.ServiceHost/Unity/RegisterElement.cs	Thu Apr 26 19:35:01 2018 +0300
+++ b/Implab.ServiceHost/Unity/RegisterElement.cs	Fri Apr 27 04:47:52 2018 +0300
@@ -20,15 +20,9 @@
         [XmlElement("method", typeof(MethodInjectionElement))]
         public AbstractInjectionElement[] Injectors { get; set; }
 
-        public override void Visit(ContainerContext context) {
+        public override void Visit(ContainerBuilder context) {
             context.Visit(this);
         }
-
-        public virtual Type ResolveImplementationType(ContainerContext ctx) {
-            return string.IsNullOrEmpty(MapToType) ?
-                ResolveRegistrationType(ctx) :
-                ctx.Resolve(MapToType);
-        }
     }
     
 }
\ No newline at end of file