diff --git a/doc/src/legal/3rdparty.qdoc b/doc/src/legal/3rdparty.qdoc
index 37e6d4c32bc5ff47c44d0dcb4e17db689d2ed5c5..e02e89bbb521f78f795dec5fa57436855aad6486 100644
--- a/doc/src/legal/3rdparty.qdoc
+++ b/doc/src/legal/3rdparty.qdoc
@@ -2147,13 +2147,6 @@
     along with this library; see the file COPYING.LIB. If not, write to the Free
     Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-    \hr
-    \section1 DES (des.cpp)
-
-    Implementation of DES encryption for NTLM
-    Copyright 1997-2005 Simon Tatham.
-    This software is released under the MIT license.
-
     \hr
     \section1 Bison Parser 2.3a
 
diff --git a/doc/src/legal/licenses.qdoc b/doc/src/legal/licenses.qdoc
index c0d4403ce1feb7e421fbe6926c852eb5738039cf..a65a9b7e00d9d2aa2b634ec63961d7c0cdef6da9 100644
--- a/doc/src/legal/licenses.qdoc
+++ b/doc/src/legal/licenses.qdoc
@@ -93,8 +93,6 @@
          \li Specific parts of the Qt for OS X Cocoa port. \li BSD-style \li \l{Qt for OS X}
     \row \li \l{The qtmain Library}{qtmain library}
          \li A helper library for writing a cross-platform main() function on Windows. \li Modified BSD \li \l{Qt for Windows}
-    \row \li \l{DES (des.cpp)}{DES}
-         \li Implementation of DES encryption (des.cpp). \li MIT \li
     \row \li \l{Shift-JIS Text Codec}
          \li A character encoding for Japanese. \li BSD-style\li
     \row \li \l{ISO-2022-JP (JIS) Text Codec}
@@ -1168,15 +1166,6 @@
     \li The PCRE library in \c{qtbase/src/3rdparty/pcre}
     \endlist
 
-    \section1 DES (\c des.cpp)
-
-    \e{Implementation of DES encryption for NTLM}\br
-    \e{Copyright 1997-2005 Simon Tatham.}\br
-    \e{This software is released under the MIT license.}
-
-    See \c qtbase/src/3rdparty/des/des.cpp for more information about the terms and
-    conditions under which the code is supplied.
-
     \hr
     \b Licenses that apply to tests.
     \hr