diff --git a/src/add-ons/accelerants/matrox/Acceleration.c b/src/add-ons/accelerants/matrox/Acceleration.c
deleted file mode 100644
index 258247a2ee..0000000000
--- a/src/add-ons/accelerants/matrox/Acceleration.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
-	Copyright 1999, Be Incorporated.   All Rights Reserved.
-	This file may be used under the terms of the Be Sample Code License.
-
-	Other authors:
-	Mark Watson,
-	Apsed,
-	Rudolf Cornelissen 1/2006.
-*/
-
-#define MODULE_BIT 0x40000000
-
-#include "acc_std.h"
-
-/* file nolonger needed */