diff --git a/chip/mchp/registers.h b/chip/mchp/registers.h
index fcee173af2..2fcbd9ab46 100644
--- a/chip/mchp/registers.h
+++ b/chip/mchp/registers.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017 The Chromium OS Authors. All rights reserved.
+/* Copyright 2018 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
@@ -10,9 +10,6 @@
 
 #include "common.h"
 
-#define DEBUG_LPC		0
-#define DEBUG_I2C		0
-
 /*
  * Helper function for RAM address aliasing
  * NOTE: MCHP AHB masters do NOT require aliasing.