diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index 4a4e5beb9ca..723180be19b 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -69,7 +69,7 @@ Pod::Spec.new do |s|
     ss.dependency 'Protobuf', '~> 3.0'
 
     ss.source_files = "src/objective-c/ProtoRPC/ProtoRPCLegacy.m",
-                      "src/objective-c/ProtoRPC/ProtoServiceLegacy.{h,m}"
+                      "src/objective-c/ProtoRPC/ProtoServiceLegacy.m"
   end
 
   # CFStream is now default. Leaving this subspec only for compatibility purpose.
diff --git a/src/compiler/objective_c_plugin.cc b/src/compiler/objective_c_plugin.cc
index 682cc28b739..a08064a08bd 100644
--- a/src/compiler/objective_c_plugin.cc
+++ b/src/compiler/objective_c_plugin.cc
@@ -138,9 +138,7 @@ class ObjectiveCGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
       }
 
       ::grpc::string system_imports =
-          (generator_params.no_v1_compatibility
-               ? SystemImport("ProtoRPC/ProtoService.h")
-               : SystemImport("ProtoRPC/ProtoServiceLegacy.h")) +
+          SystemImport("ProtoRPC/ProtoService.h") +
           (generator_params.no_v1_compatibility
                ? SystemImport("ProtoRPC/ProtoRPC.h")
                : SystemImport("ProtoRPC/ProtoRPCLegacy.h"));
diff --git a/src/objective-c/BUILD b/src/objective-c/BUILD
index 9e0181d9e98..2af1d85f290 100644
--- a/src/objective-c/BUILD
+++ b/src/objective-c/BUILD
@@ -168,9 +168,6 @@ grpc_objc_library(
         "ProtoRPC/ProtoRPCLegacy.m",
         "ProtoRPC/ProtoServiceLegacy.m",
     ],
-    hdrs = [
-        "ProtoRPC/ProtoServiceLegacy.h",
-    ],
     deps = [
         ":rx_library",
         ":proto_objc_rpc_v2",
diff --git a/src/objective-c/GRPCClient/GRPCCallOptions.h b/src/objective-c/GRPCClient/GRPCCallOptions.h
index d4a60a2a1c7..d01c8285662 100644
--- a/src/objective-c/GRPCClient/GRPCCallOptions.h
+++ b/src/objective-c/GRPCClient/GRPCCallOptions.h
@@ -24,19 +24,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 @protocol GRPCInterceptorFactory;
 
-/**
- * Implement this protocol to provide a token to gRPC when a call is initiated.
- */
-@protocol GRPCAuthorizationProtocol
-
-/**
- * This method is called when gRPC is about to start the call. When OAuth token is acquired,
- * \a handler is expected to be called with \a token being the new token to be used for this call.
- */
-- (void)getTokenWithHandler:(void (^)(NSString *_Nullable token))handler;
-
-@end
-
 @interface GRPCCallOptions : NSObject<NSCopying, NSMutableCopying>
 
 // Call parameters
diff --git a/src/objective-c/GRPCClient/GRPCTypes.h b/src/objective-c/GRPCClient/GRPCTypes.h
index 0aacf0f9d15..8e66d3d3acb 100644
--- a/src/objective-c/GRPCClient/GRPCTypes.h
+++ b/src/objective-c/GRPCClient/GRPCTypes.h
@@ -172,3 +172,16 @@ extern NSString* const kGRPCTrailersKey;
 
 /** The id of a transport implementation. */
 typedef char* GRPCTransportId;
+
+/**
+ * Implement this protocol to provide a token to gRPC when a call is initiated.
+ */
+@protocol GRPCAuthorizationProtocol
+
+/**
+ * This method is called when gRPC is about to start the call. When OAuth token is acquired,
+ * \a handler is expected to be called with \a token being the new token to be used for this call.
+ */
+- (void)getTokenWithHandler:(void (^)(NSString* _Nullable token))handler;
+
+@end
diff --git a/src/objective-c/ProtoRPC/ProtoService.h b/src/objective-c/ProtoRPC/ProtoService.h
index 34aea380668..8543f5dee43 100644
--- a/src/objective-c/ProtoRPC/ProtoService.h
+++ b/src/objective-c/ProtoRPC/ProtoService.h
@@ -26,6 +26,7 @@
 @class GRPCUnaryProtoCall;
 @class GRPCStreamingProtoCall;
 @protocol GRPCProtoResponseHandler;
+@protocol GRXWriteable;
 
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wnullability-completeness"
@@ -49,6 +50,18 @@ __attribute__((deprecated("Please use GRPCProtoService."))) @interface ProtoServ
                                      callOptions:(nullable GRPCCallOptions *)callOptions
                                    responseClass:(nonnull Class)responseClass;
 
+@end
+
+    @interface ProtoService(Legacy)
+
+    - (instancetype)initWithHost : (NSString *)host packageName
+    : (NSString *)packageName serviceName : (NSString *)serviceName;
+
+- (GRPCProtoCall *)RPCToMethod:(NSString *)method
+                requestsWriter:(GRXWriter *)requestsWriter
+                 responseClass:(Class)responseClass
+            responsesWriteable:(id<GRXWriteable>)responsesWriteable;
+
 @end
 
 #pragma clang diagnostic pop
diff --git a/src/objective-c/ProtoRPC/ProtoServiceLegacy.h b/src/objective-c/ProtoRPC/ProtoServiceLegacy.h
index 28686f51e37..7b0b7a4de7e 100644
--- a/src/objective-c/ProtoRPC/ProtoServiceLegacy.h
+++ b/src/objective-c/ProtoRPC/ProtoServiceLegacy.h
@@ -21,16 +21,3 @@
 @class GRPCProtoCall;
 @class GRXWriter;
 @protocol GRXWriteable;
-
-@interface ProtoService (Legacy)
-
-- (instancetype)initWithHost:(NSString *)host
-                 packageName:(NSString *)packageName
-                 serviceName:(NSString *)serviceName;
-
-- (GRPCProtoCall *)RPCToMethod:(NSString *)method
-                requestsWriter:(GRXWriter *)requestsWriter
-                 responseClass:(Class)responseClass
-            responsesWriteable:(id<GRXWriteable>)responsesWriteable;
-
-@end
diff --git a/src/objective-c/ProtoRPC/ProtoServiceLegacy.m b/src/objective-c/ProtoRPC/ProtoServiceLegacy.m
index b8b2766cdb0..6aa64955381 100644
--- a/src/objective-c/ProtoRPC/ProtoServiceLegacy.m
+++ b/src/objective-c/ProtoRPC/ProtoServiceLegacy.m
@@ -20,7 +20,7 @@
 
 #import "ProtoMethod.h"
 #import "ProtoRPCLegacy.h"
-#import "ProtoServiceLegacy.h"
+#import "ProtoService.h"
 
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-implementations"
diff --git a/templates/gRPC-ProtoRPC.podspec.template b/templates/gRPC-ProtoRPC.podspec.template
index b8a881c06a9..6222ea5611a 100644
--- a/templates/gRPC-ProtoRPC.podspec.template
+++ b/templates/gRPC-ProtoRPC.podspec.template
@@ -71,7 +71,7 @@
       ss.dependency 'Protobuf', '~> 3.0'
 
       ss.source_files = "src/objective-c/ProtoRPC/ProtoRPCLegacy.m",
-                        "src/objective-c/ProtoRPC/ProtoServiceLegacy.{h,m}"
+                        "src/objective-c/ProtoRPC/ProtoServiceLegacy.m"
     end
 
     # CFStream is now default. Leaving this subspec only for compatibility purpose.