diff --git a/LDP/migration-2016/old-migration.py b/LDP/migration-2016/old-migration.py
deleted file mode 100644
index f8c3af86..00000000
--- a/LDP/migration-2016/old-migration.py
+++ /dev/null
@@ -1,138 +0,0 @@
-#! /usr/bin/python
-#
-# -- migrate to the new naming scheme
-
-from __future__ import absolute_import, division, print_function
-
-import os
-import sys
-import errno
-import logging
-import functools
-
-logformat = '%(levelname)-9s %(name)s %(filename)s#%(lineno)s ' \
-            + '%(funcName)s %(message)s'
-logging.basicConfig(stream=sys.stderr, format=logformat,
-level=logging.ERROR)
-logger = logging.getLogger(__name__)
-
-# -- short names
-#
-opa = os.path.abspath
-opb = os.path.basename
-opd = os.path.dirname
-opj = os.path.join
-opn = os.path.normpath
-opr = os.path.relpath
-ops = os.path.split
-
-movingstems = dict()
-movingstems['intro-linux'] = 'Intro-Linux'
-
-def namegenerator(suffix, stem, dirname):
-    fname = os.path.join(dirname, stem, stem + suffix)
-    if os.path.exists(fname):
-        return fname
-    else:
-        return None
-
-pdf = functools.partial(namegenerator, '.pdf')
-txt = functools.partial(namegenerator, '.txt')
-html = functools.partial(namegenerator, '.html')
-htmls = functools.partial(namegenerator, '-single.html')
-
-def validate_args(argv):
-    if len(argv) == 4:
-        for d in argv[:3]:
-            if not os.path.isdir(d):
-                return False
-        return True
-    return False
-
-
-def printstems(fname):
-    print(fname)
-
-
-def firstdir(fdir):
-    if os.path.isabs(fdir):
-        raise ValueError("received absolute path")
-    desired = os.path.normpath(fdir)
-    while os.path.sep in desired:
-        desired, _ = os.path.split(desired)
-    return desired
-
-
-def stem_and_ext(name):
-    '''return (stem, ext) for any relative or absolute filename'''
-    return os.path.splitext(os.path.basename(os.path.normpath(name)))
-
-def extract_rs_html(root, name):
-    found = opj(root, name)
-    relpath = opr(found, start=root)
-    stem = firstdir(relpath)
-    return relpath, stem
-
-
-def extract_rs_htmls(root, name):
-    found = opj(root, name)
-    relpath = opr(found, start=opj(root, 'html_single'))
-    stem = firstdir(relpath)
-    return relpath, stem
-
-
-def extract_relpath_and_stem(root, name):
-    found = opj(root, name)
-    stem, _ = stem_and_ext(found)
-    relpath = opr(found, start=root)
-    return relpath, stem
-
-def extract_stem_firstdir(name, base):
-    relpath = opr(name, start=base)
-    stem = firstdir(relpath)
-    return stem
-
-
-def walktree(func, pubdir, oldtree, newtree, urlpath):
-    for root, dirs, files in os.walk(oldtree):
-        for x in files:
-            found = os.path.join(root, x)
-            relpath = os.path.relpath(found, start=oldtree)
-            _, ext = stem_and_ext(found)
-            if ext not in ('.pdf', '.html', '.txt'):
-                if not relpath.startswith('text'):
-                    func(('skip', '<stem>', '<relpath>', '<newname>', found))
-                    continue
-            if relpath.startswith('text') and  ext == '':
-                relpath, stem = extract_relpath_and_stem(oldtree, found)
-                newname = txt(stem, pubdir)
-                func(('TEXT', stem, relpath, newname, found))
-            elif relpath.startswith('pdf') and ext == '.pdf':
-                relpath, stem = extract_relpath_and_stem(oldtree, found)
-                newname = pdf(stem, pubdir)
-                func(('PDF', stem, relpath, newname, found))
-            elif relpath.startswith(opj(oldtree, 'html_single')):
-                stem = extract_stem_firstdir(found, opj(oldtree, 'html_single'))
-                newname = htmls(stem, pubdir)
-                func(('HTMLS', stem, relpath, newname, found))
-            elif root == oldtree:  # -- plain-files at root
-                pass
-            else:
-                relpath, stem = extract_rs_html(oldtree, found)
-                newname = html(stem, pubdir)
-                func(('HTML', stem, relpath, newname, found))
-
-
-def main(fin, fout, argv):
-    me = os.path.basename(sys.argv[0])
-    usage = "usage: %s <oldtree> <pubdir> <newtree> <urlpath>" % (me,)
-    if not validate_args(argv):
-        return usage
-    pubdir, oldtree, newtree, urlpath = argv
-    walktree(printstems, pubdir, oldtree, newtree, urlpath)
-    return os.EX_OK
-
-if __name__ == '__main__':
-    sys.exit(main(sys.stdin, sys.stdout, sys.argv[1:]))
-
-# -- end of file