diff --git a/board/chromebook-x86/coreboot/config.mk b/board/chromebook-x86/coreboot/config.mk
deleted file mode 100644
index 0c05dd03db..0000000000
--- a/board/chromebook-x86/coreboot/config.mk
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
-#
-# SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
-#
-
-HOSTCFLAGS_autoconf.mk.dep = -Wno-variadic-macros