diff --git a/service_invocation/csharp/http/checkout/Program.cs b/service_invocation/csharp/http/checkout/Program.cs
index 310628f32..e6de64e27 100644
--- a/service_invocation/csharp/http/checkout/Program.cs
+++ b/service_invocation/csharp/http/checkout/Program.cs
@@ -1,7 +1,4 @@
-using System.Text;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-using Dapr.Client;
+using Dapr.Client;
 
 using var client = new DaprClientBuilder().Build();