diff --git a/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs b/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
index 309d9eff71..5c96962fb2 100644
--- a/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
+++ b/src/Microsoft.AspNet.Hosting/WebHostBuilder.cs
@@ -98,21 +98,6 @@ namespace Microsoft.AspNet.Hosting
                 services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.Runtime));
             }
 
-            if (PlatformServices.Default?.AssemblyLoadContextAccessor != null)
-            {
-                services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.AssemblyLoadContextAccessor));
-            }
-
-            if (PlatformServices.Default?.AssemblyLoaderContainer != null)
-            {
-                services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.AssemblyLoaderContainer));
-            }
-
-            if (PlatformServices.Default?.LibraryManager != null)
-            {
-                services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.LibraryManager));
-            }
-
             return services;
         }