diff --git a/benchmark/grpc_testing/services.pb.go b/benchmark/grpc_testing/services.pb.go
index 8afe4a8d6..2aae3179b 100644
--- a/benchmark/grpc_testing/services.pb.go
+++ b/benchmark/grpc_testing/services.pb.go
@@ -161,7 +161,7 @@ var _BenchmarkService_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor3,
+	Metadata: "services.proto",
 }
 
 // Client API for WorkerService service
@@ -417,7 +417,7 @@ var _WorkerService_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor3,
+	Metadata: "services.proto",
 }
 
 func init() { proto.RegisterFile("services.proto", fileDescriptor3) }
diff --git a/examples/helloworld/helloworld/helloworld.pb.go b/examples/helloworld/helloworld/helloworld.pb.go
index f7b4502b9..c8c8942a1 100644
--- a/examples/helloworld/helloworld/helloworld.pb.go
+++ b/examples/helloworld/helloworld/helloworld.pb.go
@@ -130,7 +130,7 @@ var _Greeter_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: fileDescriptor0,
+	Metadata: "helloworld.proto",
 }
 
 func init() { proto.RegisterFile("helloworld.proto", fileDescriptor0) }
diff --git a/examples/route_guide/routeguide/route_guide.pb.go b/examples/route_guide/routeguide/route_guide.pb.go
index b7afbf5b8..cbcf2f30a 100644
--- a/examples/route_guide/routeguide/route_guide.pb.go
+++ b/examples/route_guide/routeguide/route_guide.pb.go
@@ -452,7 +452,7 @@ var _RouteGuide_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "route_guide.proto",
 }
 
 func init() { proto.RegisterFile("route_guide.proto", fileDescriptor0) }
diff --git a/grpclb/grpc_lb_v1/grpclb.pb.go b/grpclb/grpc_lb_v1/grpclb.pb.go
index 5c8b595f7..7be89477d 100644
--- a/grpclb/grpc_lb_v1/grpclb.pb.go
+++ b/grpclb/grpc_lb_v1/grpclb.pb.go
@@ -517,7 +517,7 @@ var _LoadBalancer_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "grpclb.proto",
 }
 
 func init() { proto.RegisterFile("grpclb.proto", fileDescriptor0) }
diff --git a/health/grpc_health_v1/health.pb.go b/health/grpc_health_v1/health.pb.go
index 4bb91cc17..89c4d459f 100644
--- a/health/grpc_health_v1/health.pb.go
+++ b/health/grpc_health_v1/health.pb.go
@@ -153,7 +153,7 @@ var _Health_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: fileDescriptor0,
+	Metadata: "health.proto",
 }
 
 func init() { proto.RegisterFile("health.proto", fileDescriptor0) }
diff --git a/interop/grpc_testing/test.pb.go b/interop/grpc_testing/test.pb.go
index 9af329c29..68b97c16e 100755
--- a/interop/grpc_testing/test.pb.go
+++ b/interop/grpc_testing/test.pb.go
@@ -789,7 +789,7 @@ var _TestService_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "test.proto",
 }
 
 func init() { proto.RegisterFile("test.proto", fileDescriptor0) }
diff --git a/reflection/grpc_reflection_v1alpha/reflection.pb.go b/reflection/grpc_reflection_v1alpha/reflection.pb.go
index 68670306d..76987a420 100644
--- a/reflection/grpc_reflection_v1alpha/reflection.pb.go
+++ b/reflection/grpc_reflection_v1alpha/reflection.pb.go
@@ -643,7 +643,7 @@ var _ServerReflection_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "reflection.proto",
 }
 
 func init() { proto.RegisterFile("reflection.proto", fileDescriptor0) }
diff --git a/stress/grpc_testing/metrics.pb.go b/stress/grpc_testing/metrics.pb.go
index 82314411a..a1310b5f5 100644
--- a/stress/grpc_testing/metrics.pb.go
+++ b/stress/grpc_testing/metrics.pb.go
@@ -335,7 +335,7 @@ var _MetricsService_serviceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "metrics.proto",
 }
 
 func init() { proto.RegisterFile("metrics.proto", fileDescriptor0) }
diff --git a/test/grpc_testing/test.pb.go b/test/grpc_testing/test.pb.go
index 4fb127a46..e584c4d6d 100644
--- a/test/grpc_testing/test.pb.go
+++ b/test/grpc_testing/test.pb.go
@@ -742,7 +742,7 @@ var _TestService_serviceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 	},
-	Metadata: fileDescriptor0,
+	Metadata: "test.proto",
 }
 
 func init() { proto.RegisterFile("test.proto", fileDescriptor0) }