diff --git a/src/mainboard/ocp/monolake/acpi/mainboard.asl b/src/mainboard/ocp/monolake/acpi/mainboard.asl
deleted file mode 100644
index 62944ef353..0000000000
--- a/src/mainboard/ocp/monolake/acpi/mainboard.asl
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Google Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-Device (PWRB)
-{
-	Name(_HID, EisaId("PNP0C0C"))
-}
diff --git a/src/mainboard/ocp/monolake/dsdt.asl b/src/mainboard/ocp/monolake/dsdt.asl
index 0d9e90dab3..5fe9d44f7e 100644
--- a/src/mainboard/ocp/monolake/dsdt.asl
+++ b/src/mainboard/ocp/monolake/dsdt.asl
@@ -40,6 +40,4 @@ DefinitionBlock(
 
 		#include <acpi/uncore.asl>
 	}
-
-	#include "acpi/mainboard.asl"
 }