diff --git a/pw_log_null/public/pw_log_null/log_null.h b/pw_log_null/public/pw_log_null/log_null.h
index 0496f1b..054d6d0 100644
--- a/pw_log_null/public/pw_log_null/log_null.h
+++ b/pw_log_null/public/pw_log_null/log_null.h
@@ -13,8 +13,8 @@
 // the License.
 #pragma once
 
+#include "pw_preprocessor/arguments.h"
 #include "pw_preprocessor/compiler.h"
-#include "pw_preprocessor/macro_arg_count.h"
 #include "pw_preprocessor/util.h"
 
 PW_EXTERN_C_START
diff --git a/pw_preprocessor/BUILD.gn b/pw_preprocessor/BUILD.gn
index 94408f8..8c4c870 100644
--- a/pw_preprocessor/BUILD.gn
+++ b/pw_preprocessor/BUILD.gn
@@ -29,7 +29,6 @@
     "public/pw_preprocessor/boolean.h",
     "public/pw_preprocessor/compiler.h",
     "public/pw_preprocessor/concat.h",
-    "public/pw_preprocessor/macro_arg_count.h",
     "public/pw_preprocessor/util.h",
   ]
   sources = [ "public/pw_preprocessor/internal/arg_count_impl.h" ]
diff --git a/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h b/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h
deleted file mode 100644
index f5e4b23..0000000
--- a/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2020 The Pigweed Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not
-// use this file except in compliance with the License. You may obtain a copy of
-// the License at
-//
-//     https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-// License for the specific language governing permissions and limitations under
-// the License.
-#pragma once
-
-// This header was renamed to arguments.h. Please include arguments.h instead.
-#include "pw_preprocessor/arguments.h"