update C# codegen and regenerate
diff --git a/src/compiler/csharp_generator.cc b/src/compiler/csharp_generator.cc
index 484fa3c..7bf0548 100644
--- a/src/compiler/csharp_generator.cc
+++ b/src/compiler/csharp_generator.cc
@@ -559,9 +559,7 @@
   out->Print("{\n");
   out->Indent();
 
-  out->Print(
-      "return ServerServiceDefinition.CreateBuilder($servicenamefield$)\n",
-      "servicenamefield", GetServiceNameFieldName());
+  out->Print("return ServerServiceDefinition.CreateBuilder()\n");
   out->Indent();
   out->Indent();
   for (int i = 0; i < service->method_count(); i++) {
diff --git a/src/csharp/Grpc.Examples/MathGrpc.cs b/src/csharp/Grpc.Examples/MathGrpc.cs
index d700a18..0bc7b8c 100644
--- a/src/csharp/Grpc.Examples/MathGrpc.cs
+++ b/src/csharp/Grpc.Examples/MathGrpc.cs
@@ -339,7 +339,7 @@
     public static ServerServiceDefinition BindService(IMath serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Div, serviceImpl.Div)
           .AddMethod(__Method_DivMany, serviceImpl.DivMany)
           .AddMethod(__Method_Fib, serviceImpl.Fib)
@@ -351,7 +351,7 @@
     public static ServerServiceDefinition BindService(MathBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Div, serviceImpl.Div)
           .AddMethod(__Method_DivMany, serviceImpl.DivMany)
           .AddMethod(__Method_Fib, serviceImpl.Fib)
diff --git a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
index 51c6a39..40f9b95 100644
--- a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
@@ -138,7 +138,7 @@
     public static ServerServiceDefinition BindService(IHealth serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Check, serviceImpl.Check).Build();
     }
 
@@ -147,7 +147,7 @@
     public static ServerServiceDefinition BindService(HealthBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Check, serviceImpl.Check).Build();
     }
 
diff --git a/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs b/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs
index 9d31d1c..8c64f4f 100644
--- a/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/MetricsGrpc.cs
@@ -222,7 +222,7 @@
     public static ServerServiceDefinition BindService(IMetricsService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_GetAllGauges, serviceImpl.GetAllGauges)
           .AddMethod(__Method_GetGauge, serviceImpl.GetGauge).Build();
     }
@@ -232,7 +232,7 @@
     public static ServerServiceDefinition BindService(MetricsServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_GetAllGauges, serviceImpl.GetAllGauges)
           .AddMethod(__Method_GetGauge, serviceImpl.GetGauge).Build();
     }
diff --git a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
index f7071eb..171945e 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
@@ -227,7 +227,7 @@
     public static ServerServiceDefinition BindService(IBenchmarkService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
           .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
     }
@@ -237,7 +237,7 @@
     public static ServerServiceDefinition BindService(BenchmarkServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
           .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
     }
@@ -583,7 +583,7 @@
     public static ServerServiceDefinition BindService(IWorkerService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_RunServer, serviceImpl.RunServer)
           .AddMethod(__Method_RunClient, serviceImpl.RunClient)
           .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
@@ -595,7 +595,7 @@
     public static ServerServiceDefinition BindService(WorkerServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_RunServer, serviceImpl.RunServer)
           .AddMethod(__Method_RunClient, serviceImpl.RunClient)
           .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
diff --git a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
index cf43a77..9e35651 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
@@ -449,7 +449,7 @@
     public static ServerServiceDefinition BindService(ITestService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
           .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
@@ -463,7 +463,7 @@
     public static ServerServiceDefinition BindService(TestServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
           .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
@@ -606,7 +606,7 @@
     public static ServerServiceDefinition BindService(IUnimplementedService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
     }
 
@@ -615,7 +615,7 @@
     public static ServerServiceDefinition BindService(UnimplementedServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
     }
 
@@ -757,7 +757,7 @@
     public static ServerServiceDefinition BindService(IReconnectService serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Start, serviceImpl.Start)
           .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
     }
@@ -767,7 +767,7 @@
     public static ServerServiceDefinition BindService(ReconnectServiceBase serviceImpl)
     #pragma warning restore 0618
     {
-      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+      return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_Start, serviceImpl.Start)
           .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
     }