diff --git a/src/add-ons/kernel/drivers/audio/echo/generic/ossupport.h b/src/add-ons/kernel/drivers/audio/echo/generic/ossupport.h
deleted file mode 100644
index 50b5859fbe..0000000000
--- a/src/add-ons/kernel/drivers/audio/echo/generic/ossupport.h
+++ /dev/null
@@ -1,102 +0,0 @@
-// ****************************************************************************
-//
-//		OsSupport.H
-//
-//		Wrapper include file for OS-specific header files
-//		Set editor tabs to 3 for your viewing pleasure.
-//
-// ----------------------------------------------------------------------------
-//
-//		Copyright Echo Digital Audio Corporation (c) 1998 - 2002
-//		All rights reserved
-//		www.echoaudio.com
-//		
-//		Permission is hereby granted, free of charge, to any person obtaining a
-//		copy of this software and associated documentation files (the
-//		"Software"), to deal with the Software without restriction, including
-//		without limitation the rights to use, copy, modify, merge, publish,
-//		distribute, sublicense, and/or sell copies of the Software, and to
-//		permit persons to whom the Software is furnished to do so, subject to
-//		the following conditions:
-//		
-//		- Redistributions of source code must retain the above copyright
-//		notice, this list of conditions and the following disclaimers.
-//		
-//		- Redistributions in binary form must reproduce the above copyright
-//		notice, this list of conditions and the following disclaimers in the
-//		documentation and/or other materials provided with the distribution.
-//		
-//		- Neither the name of Echo Digital Audio, nor the names of its
-//		contributors may be used to endorse or promote products derived from
-//		this Software without specific prior written permission.
-//
-//		THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-//		EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-//		MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-//		IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
-//		ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-//		TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-//		SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
-//
-// ****************************************************************************
-
-//	Prevent problems with multiple includes
-#ifndef _ECHOOSSUPPORT_
-#define _ECHOOSSUPPORT_
-
-//===========================================================================
-//
-// BeOS
-//
-//===========================================================================
-
-#ifdef ECHO_BEOS
-
-#include "OsSupportBeOS.h"
-
-#endif
-
-
-//===========================================================================
-//
-// WDM driver
-//
-//===========================================================================
-
-#ifdef ECHO_WDM
-
-//
-// WDM driver for Windows Me/2000/XP
-//
-#include "OsSupportWDM.h"
-
-#endif
-
-
-//===========================================================================
-//
-// MacOS 8 and 9
-//
-//===========================================================================
-
-#ifdef ECHO_OS9
-
-#include "OsSupportMac.h"
-
-#endif
-
-
-//===========================================================================
-//
-// Mac OS X
-//
-//===========================================================================
-
-#ifdef ECHO_OSX
-
-#include "OsSupportOsX.h"
-
-#endif
-
-
-#endif	// _ECHOOSSUPPORT_