diff --git a/src/objective-c/GRPCClient/private/ChannelArgsUtil.h b/src/objective-c/GRPCClient/private/ChannelArgsUtil.h
index d9d6933c6bb..d0be4849105 100644
--- a/src/objective-c/GRPCClient/private/ChannelArgsUtil.h
+++ b/src/objective-c/GRPCClient/private/ChannelArgsUtil.h
@@ -20,6 +20,6 @@
 
 #include <grpc/impl/codegen/grpc_types.h>
 
-void FreeChannelArgs(grpc_channel_args* channel_args);
+void GRPCFreeChannelArgs(grpc_channel_args* channel_args);
 
-grpc_channel_args* BuildChannelArgs(NSDictionary* dictionary);
+grpc_channel_args* GRPCBuildChannelArgs(NSDictionary* dictionary);
diff --git a/src/objective-c/GRPCClient/private/ChannelArgsUtil.m b/src/objective-c/GRPCClient/private/ChannelArgsUtil.m
index b26fb12d597..8669f79992c 100644
--- a/src/objective-c/GRPCClient/private/ChannelArgsUtil.m
+++ b/src/objective-c/GRPCClient/private/ChannelArgsUtil.m
@@ -39,7 +39,7 @@ static int cmp_pointer_arg(void *p, void *q) { return p == q; }
 static const grpc_arg_pointer_vtable objc_arg_vtable = {copy_pointer_arg, destroy_pointer_arg,
                                                         cmp_pointer_arg};
 
-void FreeChannelArgs(grpc_channel_args *channel_args) {
+void GRPCFreeChannelArgs(grpc_channel_args *channel_args) {
   for (size_t i = 0; i < channel_args->num_args; ++i) {
     grpc_arg *arg = &channel_args->args[i];
     gpr_free(arg->key);
@@ -58,7 +58,7 @@ void FreeChannelArgs(grpc_channel_args *channel_args) {
  * value responds to @c @selector(intValue). Otherwise, an exception will be raised. The caller of
  * this function is responsible for calling @c freeChannelArgs on a non-NULL returned value.
  */
-grpc_channel_args *BuildChannelArgs(NSDictionary *dictionary) {
+grpc_channel_args *GRPCBuildChannelArgs(NSDictionary *dictionary) {
   if (!dictionary) {
     return NULL;
   }
diff --git a/src/objective-c/GRPCClient/private/GRPCInsecureChannelFactory.m b/src/objective-c/GRPCClient/private/GRPCInsecureChannelFactory.m
index d969b887b40..5773f2d9af1 100644
--- a/src/objective-c/GRPCClient/private/GRPCInsecureChannelFactory.m
+++ b/src/objective-c/GRPCClient/private/GRPCInsecureChannelFactory.m
@@ -36,10 +36,10 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (nullable grpc_channel *)createChannelWithHost:(NSString *)host
                                      channelArgs:(nullable NSDictionary *)args {
-  grpc_channel_args *coreChannelArgs = BuildChannelArgs([args copy]);
+  grpc_channel_args *coreChannelArgs = GRPCBuildChannelArgs([args copy]);
   grpc_channel *unmanagedChannel =
       grpc_insecure_channel_create(host.UTF8String, coreChannelArgs, NULL);
-  FreeChannelArgs(coreChannelArgs);
+  GRPCFreeChannelArgs(coreChannelArgs);
   return unmanagedChannel;
 }
 
diff --git a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
index 277823c4e33..8a00d080a11 100644
--- a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
+++ b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
@@ -111,10 +111,10 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (nullable grpc_channel *)createChannelWithHost:(NSString *)host
                                      channelArgs:(nullable NSDictionary *)args {
-  grpc_channel_args *coreChannelArgs = BuildChannelArgs([args copy]);
+  grpc_channel_args *coreChannelArgs = GRPCBuildChannelArgs([args copy]);
   grpc_channel *unmanagedChannel =
       grpc_secure_channel_create(_channelCreds, host.UTF8String, coreChannelArgs, NULL);
-  FreeChannelArgs(coreChannelArgs);
+  GRPCFreeChannelArgs(coreChannelArgs);
   return unmanagedChannel;
 }