diff --git a/os/dos/copying.dj b/os/dos/copying.dj
deleted file mode 100644
--- a/os/dos/copying.dj
+++ /dev/null
@@ -1,48 +0,0 @@
-This is the file "copying.dj".  It does NOT apply to any sources or
-binaries copyrighted by UCB Berkeley, the Free Software Foundation, or
-any other agency besides DJ Delorie and others who have agreed to
-allow their sources to be distributed under these terms.
-
-   Copyright Information for sources and executables that are marked
-   Copyright (C) DJ Delorie
-                 7 Kim Lane
-                 Rochester NH  03867-2954
-
-This document is Copyright (C) DJ Delorie and may be distributed
-verbatim, but changing it is not allowed.
-
-Source code copyright DJ Delorie is distributed under the terms of the
-GNU General Public Licence, with the following exceptions:
-
-* Sources used to build crt0.o, gcrt0.o, libc.a, libdbg.a, and
-  libemu.a are distributed under the terms of the GNU Library General
-  Public License, rather than the GNU GPL.
-
-* Any existing copyright or authorship information in any given source
-  file must remain intact.  If you modify a source file, a notice to that
-  effect must be added to the authorship information in the source file.
-
-* Runtime binaries, as provided by DJ in DJGPP, may be distributed
-  without sources ONLY if the recipient is given sufficient information
-  to obtain a copy of djgpp themselves.  This primarily applies to
-  go32-v2.exe, emu387.dxe, and stubedit.exe.
-
-* Runtime objects and libraries, as provided by DJ in DJGPP, when
-  linked into an application, may be distributed without sources ONLY
-  if the recipient is given sufficient information to obtain a copy of
-  djgpp themselves.  This primarily applies to crt0.o and libc.a.
-
------
-
-Changes to source code copyright BSD, FSF, or others, by DJ Delorie
-fall under the terms of the original copyright.  Such files usually
-have multiple copyright notices in them.
-
-A copy of the files "COPYING" and "COPYING.LIB" are included with this
-document.  If you did not receive a copy of these files, you may
-obtain one from whence this document was obtained, or by writing:
-
-      Free Software Foundation
-      59 Temple Place - Suite 330
-      Boston, MA 02111-1307
-      USA