diff --git a/base/flex/flex.skl-fix.patch b/base/flex/flex.skl-fix.patch
deleted file mode 100644
index fde233220..000000000
--- a/base/flex/flex.skl-fix.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-# --- SDE-COPYRIGHT-NOTE-BEGIN ---
-# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
-#
-# Filename: package/.../flex/flex.skl-fix.patch
-# Copyright (C) 2004 - 2006 The T2 SDE Project
-# Copyright (C) 1998 - 2004 Clifford Wolf
-#
-# More information can be found in the files COPYING and README.
-#
-# This patch file is dual-licensed. It is available under the license the
-# patched project is licensed under, as long as it is an OpenSource license
-# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
-# of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-# --- SDE-COPYRIGHT-NOTE-END ---
-
---- flex-2.5.31/flex.skl.old	2004-01-01 20:38:27.000000000 +0100
-+++ flex-2.5.31/flex.skl	2004-01-01 20:38:49.000000000 +0100
-@@ -478,7 +478,7 @@
- 
- m4_ifdef( [[M4_YY_NOT_IN_HEADER]],
- [[
--#define unput(c) yyunput( c, YY_G(yytext_ptr) M4_YY_CALL_LAST_ARG )
-+#define unput(c) yyunput( c, YY_G(yytext) M4_YY_CALL_LAST_ARG )
- ]])
- 
- /* The following is because we cannot portably get our hands on size_t