diff --git a/headers/private/kernel/ktypes.h b/headers/private/kernel/ktypes.h
deleted file mode 100755
index 6a0ecc4979..0000000000
--- a/headers/private/kernel/ktypes.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* 
-** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
-** Distributed under the terms of the NewOS License.
-*/
-#ifndef _KERNEL_KTYPES_H
-#define _KERNEL_KTYPES_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <SupportDefs.h>
-
-typedef int32  region_id;
-	// ToDo: to be faded out
-typedef int32  aspace_id;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif	/* _KERNEL_KTYPES_H */