Implemented [Obsolete] attribute for deprecated fields
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
index 5749c97..f1fff86 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestImportProtoFile.cs
@@ -1,5 +1,5 @@
 // Generated by ProtoGen, Version=2.3.0.277, Culture=neutral, PublicKeyToken=17b3b1f090c3ea48.  DO NOT EDIT!

-#pragma warning disable 1591

+#pragma warning disable 1591, 0612

 #region Designer generated code

 

 using pb = global::Google.ProtocolBuffers;