diff --git a/COPYRIGHT b/COPYRIGHT
index 85dbe1585..cd5adb1be 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -62,12 +62,6 @@ Copyright (C) 2014 Albert Krewinkel
 
 Released under the GNU General Public License version 2 or later.
 
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-src/Text/Pandoc/Biblio.hs
-Copyright (C) 2008-2010 Andrea Rossato
-
-Released under the GNU General Public License version 2 or later.
-
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 data/LaTeXMathML.js
 Adapted by Jeff Knisely and Douglas Woodall from
@@ -82,37 +76,6 @@ Copyright (C) 2004 Peter Jipsen http://www.chapman.edu/~jipsen
 
 Released under the GNU General Public License version 2 or later.
 
-----------------------------------------------------------------------
-s5/default
-S5 slides.js and css files
-by Eric A. Meyer
-<http://meyerweb.com/eric/tools/s5
-
-Released under an explicit Public Domain License
-
-----------------------------------------------------------------------
-slidy/default
-Slidy javascript and CSS
-by Dave Raggett
-http://www.w3.org/Talks/Tools/Slidy2
-
-Released under W3C document and software licenses
-
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-slideous/default
-Slideous javascript and CSS
-by Stefan Gössner
-http://goessner.net/
-
-Released under Creative Commons GNU LGPL License
-
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-windows/modpath.iss
-Copyright (c) 2007 Jared Breland
-http://legroom.net/software
-
-Released under the GNU General Public License version 2 or later.
-
 ------------------------------------------------------------------------
 The dzslides template contains javascript and CSS from Paul Rouget's
 dzslides template.