diff --git a/src/samples/aspnet/Elsa.Samples.Web2/Program.cs b/src/samples/aspnet/Elsa.Samples.Web2/Program.cs
index 220c9a83f..ef2a21909 100644
--- a/src/samples/aspnet/Elsa.Samples.Web2/Program.cs
+++ b/src/samples/aspnet/Elsa.Samples.Web2/Program.cs
@@ -61,18 +61,10 @@ services
 services.AddSingleton<ISerializationOptionsConfigurator, CustomSerializationOptionConfigurator>();
 services.AddSingleton<ISerializationOptionsConfigurator, SerializationOptionsConfigurator>();
 
-// Configure middleware pipeline.
+// Configure middleware pipelines.
 var app = builder.Build();
-
 var serviceProvider = app.Services;
 
-// Add type aliases for prettier JSON serialization.
-var wellKnownTypeRegistry = serviceProvider.GetRequiredService<IWellKnownTypeRegistry>();
-wellKnownTypeRegistry.RegisterType<int>("int");
-wellKnownTypeRegistry.RegisterType<float>("float");
-wellKnownTypeRegistry.RegisterType<bool>("boolean");
-wellKnownTypeRegistry.RegisterType<string>("string");
-
 // Configure workflow engine execution pipeline.
 serviceProvider.ConfigureDefaultWorkflowExecutionPipeline(pipeline =>
     pipeline