diff --git a/src/libregexp/LICENSE b/src/libregexp/LICENSE
deleted file mode 100644
index a5d7d87..0000000
--- a/src/libregexp/LICENSE
+++ /dev/null
@@ -1,258 +0,0 @@
-The Plan 9 software is provided under the terms of the
-Lucent Public License, Version 1.02, reproduced below,
-with the following exceptions:
-
-1. No right is granted to create derivative works of or
-   to redistribute (other than with the Plan 9 Operating System)
-   the screen imprinter fonts identified in subdirectory
-   /lib/font/bit/lucida and printer fonts (Lucida Sans Unicode, Lucida
-   Sans Italic, Lucida Sans Demibold, Lucida Typewriter, Lucida Sans
-   Typewriter83), identified in subdirectory /sys/lib/postscript/font.
-   These directories contain material copyrights by B&H Inc. and Y&Y Inc.
-
-2. The printer fonts identified in subdirectory /sys/lib/ghostscript/font
-   are subject to the GNU GPL, reproduced in the file /LICENSE.gpl.
-
-3. The ghostscript program in the subdirectory /sys/src/cmd/gs is
-   covered by the Aladdin Free Public License, reproduced in the file
-   /LICENSE.afpl.
-
-===================================================================
-
-Lucent Public License Version 1.02
-
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diff --git a/src/libregexp/NOTICE b/src/libregexp/NOTICE
deleted file mode 100644
index 784ee1d..0000000
--- a/src/libregexp/NOTICE
+++ /dev/null
@@ -1,25 +0,0 @@
-Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
-Portions Copyright © 2000-2002 Vita Nuova Holdings Limited (www.vitanuova.com).  All rights reserved.
-
-Under a licence agreement with Lucent Technologies Inc. effective 1st March 2000,
-Vita Nuova Holdings Limited has the right to determine (within a specified scope)
-the form and content of sublicences for this software.
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-Vita Nuova Holdings Limited now makes this software available as Free
-Software under the terms of the `GNU Lesser Public License, Version 2.1'
-(see the file LICENCE or http://www.fsf.org/copyleft/lesser.html for
-the full terms and conditions).  One of the conditions of that licence
-is that you must keep intact all notices that refer to that licence and to the absence of
-of any warranty: for this software, note that includes this NOTICE file in particular.
-  
-This suite of programs is distributed in the hope that it will be useful,
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-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-This copyright NOTICE applies to all files in this directory and
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