diff --git a/benchmarks/src/generated/main/grpc/io/grpc/testing/TestServiceGrpc.java b/benchmarks/src/generated/main/grpc/io/grpc/testing/TestServiceGrpc.java
index d2ac474..005dab5 100644
--- a/benchmarks/src/generated/main/grpc/io/grpc/testing/TestServiceGrpc.java
+++ b/benchmarks/src/generated/main/grpc/io/grpc/testing/TestServiceGrpc.java
@@ -21,16 +21,16 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "grpc.testing.TestService", "UnaryCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.SimpleRequest,
       io.grpc.testing.SimpleResponse> METHOD_STREAMING_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.TestService", "StreamingCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.SimpleResponse.parser()));
 
   public static TestServiceStub newStub(io.grpc.Channel channel) {
     return new TestServiceStub(channel, CONFIG);
diff --git a/benchmarks/src/generated/main/grpc/io/grpc/testing/WorkerGrpc.java b/benchmarks/src/generated/main/grpc/io/grpc/testing/WorkerGrpc.java
index 37dbacf..b5cba59 100644
--- a/benchmarks/src/generated/main/grpc/io/grpc/testing/WorkerGrpc.java
+++ b/benchmarks/src/generated/main/grpc/io/grpc/testing/WorkerGrpc.java
@@ -21,16 +21,16 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.Worker", "RunTest",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ClientArgs.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ClientStatus.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ClientArgs.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ClientStatus.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.ServerArgs,
       io.grpc.testing.ServerStatus> METHOD_RUN_SERVER =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.Worker", "RunServer",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ServerArgs.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ServerStatus.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ServerArgs.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.ServerStatus.parser()));
 
   public static WorkerStub newStub(io.grpc.Channel channel) {
     return new WorkerStub(channel, CONFIG);
diff --git a/compiler/src/java_plugin/cpp/java_generator.cpp b/compiler/src/java_plugin/cpp/java_generator.cpp
index bac19ca..54eb8f3 100644
--- a/compiler/src/java_plugin/cpp/java_generator.cpp
+++ b/compiler/src/java_plugin/cpp/java_generator.cpp
@@ -122,8 +122,8 @@
           "    $MethodDescriptor$.create(\n"
           "        $MethodType$.$method_type$,\n"
           "        \"$Package$$service_name$\", \"$method_name$\",\n"
-          "        $ProtoUtils$.marshaller($input_type$.PARSER),\n"
-          "        $ProtoUtils$.marshaller($output_type$.PARSER));\n");
+          "        $ProtoUtils$.marshaller($input_type$.parser()),\n"
+          "        $ProtoUtils$.marshaller($output_type$.parser()));\n");
     }
   }
   p->Print("\n");
diff --git a/compiler/src/test/golden/TestService.java.txt b/compiler/src/test/golden/TestService.java.txt
index 13d92f3..5d6dae0 100644
--- a/compiler/src/test/golden/TestService.java.txt
+++ b/compiler/src/test/golden/TestService.java.txt
@@ -21,40 +21,40 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "grpc.testing.TestService", "UnaryCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.SimpleRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.SimpleResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.SimpleRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.SimpleResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Test.StreamingOutputCallRequest,
       io.grpc.testing.integration.Test.StreamingOutputCallResponse> METHOD_STREAMING_OUTPUT_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.SERVER_STREAMING,
           "grpc.testing.TestService", "StreamingOutputCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Test.StreamingInputCallRequest,
       io.grpc.testing.integration.Test.StreamingInputCallResponse> METHOD_STREAMING_INPUT_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.CLIENT_STREAMING,
           "grpc.testing.TestService", "StreamingInputCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingInputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingInputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingInputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingInputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Test.StreamingOutputCallRequest,
       io.grpc.testing.integration.Test.StreamingOutputCallResponse> METHOD_FULL_DUPLEX_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.TestService", "FullDuplexCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Test.StreamingOutputCallRequest,
       io.grpc.testing.integration.Test.StreamingOutputCallResponse> METHOD_HALF_DUPLEX_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.TestService", "HalfDuplexCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Test.StreamingOutputCallResponse.parser()));
 
   public static TestServiceStub newStub(io.grpc.Channel channel) {
     return new TestServiceStub(channel, CONFIG);
diff --git a/examples/src/generated/main/grpc/io/grpc/examples/helloworld/GreeterGrpc.java b/examples/src/generated/main/grpc/io/grpc/examples/helloworld/GreeterGrpc.java
index 5e25372..70b0020 100644
--- a/examples/src/generated/main/grpc/io/grpc/examples/helloworld/GreeterGrpc.java
+++ b/examples/src/generated/main/grpc/io/grpc/examples/helloworld/GreeterGrpc.java
@@ -21,8 +21,8 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "helloworld.Greeter", "SayHello",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.helloworld.HelloRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.helloworld.HelloResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.helloworld.HelloRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.helloworld.HelloResponse.parser()));
 
   public static GreeterStub newStub(io.grpc.Channel channel) {
     return new GreeterStub(channel, CONFIG);
diff --git a/examples/src/generated/main/grpc/io/grpc/examples/routeguide/RouteGuideGrpc.java b/examples/src/generated/main/grpc/io/grpc/examples/routeguide/RouteGuideGrpc.java
index 9a1b805..8930e88 100644
--- a/examples/src/generated/main/grpc/io/grpc/examples/routeguide/RouteGuideGrpc.java
+++ b/examples/src/generated/main/grpc/io/grpc/examples/routeguide/RouteGuideGrpc.java
@@ -21,32 +21,32 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "routeguide.RouteGuide", "GetFeature",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Point.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Feature.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Point.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Feature.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.examples.routeguide.Rectangle,
       io.grpc.examples.routeguide.Feature> METHOD_LIST_FEATURES =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.SERVER_STREAMING,
           "routeguide.RouteGuide", "ListFeatures",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Rectangle.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Feature.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Rectangle.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Feature.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.examples.routeguide.Point,
       io.grpc.examples.routeguide.RouteSummary> METHOD_RECORD_ROUTE =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.CLIENT_STREAMING,
           "routeguide.RouteGuide", "RecordRoute",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Point.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteSummary.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.Point.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteSummary.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.examples.routeguide.RouteNote,
       io.grpc.examples.routeguide.RouteNote> METHOD_ROUTE_CHAT =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "routeguide.RouteGuide", "RouteChat",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteNote.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteNote.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteNote.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.examples.routeguide.RouteNote.parser()));
 
   public static RouteGuideStub newStub(io.grpc.Channel channel) {
     return new RouteGuideStub(channel, CONFIG);
diff --git a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
index 360e18b..8735286 100644
--- a/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
+++ b/interop-testing/src/generated/main/grpc/io/grpc/testing/integration/TestServiceGrpc.java
@@ -21,48 +21,48 @@
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "grpc.testing.TestService", "EmptyCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(com.google.protobuf.EmptyProtos.Empty.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(com.google.protobuf.EmptyProtos.Empty.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(com.google.protobuf.EmptyProtos.Empty.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(com.google.protobuf.EmptyProtos.Empty.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.SimpleRequest,
       io.grpc.testing.integration.Messages.SimpleResponse> METHOD_UNARY_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.UNARY,
           "grpc.testing.TestService", "UnaryCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.SimpleRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.SimpleResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.SimpleRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.SimpleResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.StreamingOutputCallRequest,
       io.grpc.testing.integration.Messages.StreamingOutputCallResponse> METHOD_STREAMING_OUTPUT_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.SERVER_STREAMING,
           "grpc.testing.TestService", "StreamingOutputCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.StreamingInputCallRequest,
       io.grpc.testing.integration.Messages.StreamingInputCallResponse> METHOD_STREAMING_INPUT_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.CLIENT_STREAMING,
           "grpc.testing.TestService", "StreamingInputCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingInputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingInputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingInputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingInputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.StreamingOutputCallRequest,
       io.grpc.testing.integration.Messages.StreamingOutputCallResponse> METHOD_FULL_DUPLEX_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.TestService", "FullDuplexCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.parser()));
   // Static method descriptors that strictly reflect the proto.
   public static final io.grpc.MethodDescriptor<io.grpc.testing.integration.Messages.StreamingOutputCallRequest,
       io.grpc.testing.integration.Messages.StreamingOutputCallResponse> METHOD_HALF_DUPLEX_CALL =
       io.grpc.MethodDescriptor.create(
           io.grpc.MethodDescriptor.MethodType.DUPLEX_STREAMING,
           "grpc.testing.TestService", "HalfDuplexCall",
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.PARSER),
-          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.PARSER));
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallRequest.parser()),
+          io.grpc.protobuf.ProtoUtils.marshaller(io.grpc.testing.integration.Messages.StreamingOutputCallResponse.parser()));
 
   public static TestServiceStub newStub(io.grpc.Channel channel) {
     return new TestServiceStub(channel, CONFIG);