Resolve warnings of implementing deprecated class
diff --git a/src/objective-c/ProtoRPC/ProtoService.m b/src/objective-c/ProtoRPC/ProtoService.m
index be6089f..611cee4 100644
--- a/src/objective-c/ProtoRPC/ProtoService.m
+++ b/src/objective-c/ProtoRPC/ProtoService.m
@@ -24,7 +24,10 @@
#import "ProtoMethod.h"
#import "ProtoRPC.h"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-implementations"
@implementation ProtoService {
+#pragma clang diagnostic pop
NSString *_host;
NSString *_packageName;
NSString *_serviceName;