diff --git a/libc/tools/zoneinfo/ZoneCompactor.java b/libc/tools/zoneinfo/ZoneCompactor.java
deleted file mode 100644
index 2d598fe..0000000
--- a/libc/tools/zoneinfo/ZoneCompactor.java
+++ /dev/null
@@ -1,192 +0,0 @@
-
-import java.io.*;
-import java.util.*;
-
-// usage: java ZoneCompiler <setup file> <data directory> <output directory> <tzdata version>
-//
-// Compile a set of tzfile-formatted files into a single file containing an index.
-//
-// The compilation is controlled by a setup file, which is provided as a
-// command-line argument.  The setup file has the form:
-//
-// Link <toName> <fromName>
-// ...
-// <zone filename>
-// ...
-//
-// Note that the links must be declared prior to the zone names.
-// A zone name is a filename relative to the source directory such as
-// 'GMT', 'Africa/Dakar', or 'America/Argentina/Jujuy'.
-//
-// Use the 'zic' command-line tool to convert from flat files
-// (such as 'africa' or 'northamerica') to a directory
-// hierarchy suitable for this tool (containing files such as 'data/Africa/Abidjan').
-//
-
-public class ZoneCompactor {
-  // Maximum number of characters in a zone name, including '\0' terminator.
-  private static final int MAXNAME = 40;
-
-  // Zone name synonyms.
-  private Map<String,String> links = new HashMap<String,String>();
-
-  // File offsets by zone name.
-  private Map<String,Integer> offsets = new HashMap<String,Integer>();
-
-  // File lengths by zone name.
-  private Map<String,Integer> lengths = new HashMap<String,Integer>();
-
-  // Concatenate the contents of 'inFile' onto 'out'.
-  private static void copyFile(File inFile, OutputStream out) throws Exception {
-    byte[] ret = new byte[0];
-
-    InputStream in = new FileInputStream(inFile);
-    byte[] buf = new byte[8192];
-    while (true) {
-      int nbytes = in.read(buf);
-      if (nbytes == -1) {
-        break;
-      }
-      out.write(buf, 0, nbytes);
-
-      byte[] nret = new byte[ret.length + nbytes];
-      System.arraycopy(ret, 0, nret, 0, ret.length);
-      System.arraycopy(buf, 0, nret, ret.length, nbytes);
-      ret = nret;
-    }
-    out.flush();
-  }
-
-  public ZoneCompactor(String setupFile, String dataDirectory, String zoneTabFile, String outputDirectory, String version) throws Exception {
-    // Read the setup file and concatenate all the data.
-    ByteArrayOutputStream allData = new ByteArrayOutputStream();
-    BufferedReader reader = new BufferedReader(new FileReader(setupFile));
-    String s;
-    int offset = 0;
-    while ((s = reader.readLine()) != null) {
-      s = s.trim();
-      if (s.startsWith("Link")) {
-        StringTokenizer st = new StringTokenizer(s);
-        st.nextToken();
-        String to = st.nextToken();
-        String from = st.nextToken();
-        links.put(from, to);
-      } else {
-        String link = links.get(s);
-        if (link == null) {
-          File sourceFile = new File(dataDirectory, s);
-          long length = sourceFile.length();
-          offsets.put(s, offset);
-          lengths.put(s, (int) length);
-
-          offset += length;
-          copyFile(sourceFile, allData);
-        }
-      }
-    }
-    reader.close();
-
-    // Fill in fields for links.
-    Iterator<String> it = links.keySet().iterator();
-    while (it.hasNext()) {
-      String from = it.next();
-      String to = links.get(from);
-
-      offsets.put(from, offsets.get(to));
-      lengths.put(from, lengths.get(to));
-    }
-
-    // Create/truncate the destination file.
-    RandomAccessFile f = new RandomAccessFile(new File(outputDirectory, "tzdata"), "rw");
-    f.setLength(0);
-
-    // Write the header.
-
-    // byte[12] tzdata_version -- 'tzdata2012f\0'
-    // int index_offset -- so we can slip in extra header fields in a backwards-compatible way
-    // int data_offset
-    // int zonetab_offset
-
-    // tzdata_version
-    f.write(toAscii(new byte[12], version));
-
-    // Write dummy values for the three offsets, and remember where we need to seek back to later
-    // when we have the real values.
-    int index_offset_offset = (int) f.getFilePointer();
-    f.writeInt(0);
-    int data_offset_offset = (int) f.getFilePointer();
-    f.writeInt(0);
-    int zonetab_offset_offset = (int) f.getFilePointer();
-    f.writeInt(0);
-
-    int index_offset = (int) f.getFilePointer();
-
-    // Write the index.
-    ArrayList<String> sortedOlsonIds = new ArrayList<String>();
-    sortedOlsonIds.addAll(offsets.keySet());
-    Collections.sort(sortedOlsonIds);
-    it = sortedOlsonIds.iterator();
-    while (it.hasNext()) {
-      String zoneName = it.next();
-      if (zoneName.length() >= MAXNAME) {
-        throw new RuntimeException("zone filename too long: " + zoneName.length());
-      }
-
-      // Follow the chain of links to work out where the real data for this zone lives.
-      String actualZoneName = zoneName;
-      while (links.get(actualZoneName) != null) {
-        actualZoneName = links.get(actualZoneName);
-      }
-
-      f.write(toAscii(new byte[MAXNAME], zoneName));
-      f.writeInt(offsets.get(actualZoneName));
-      f.writeInt(lengths.get(actualZoneName));
-      f.writeInt(0); // Used to be raw GMT offset. No longer used.
-    }
-
-    int data_offset = (int) f.getFilePointer();
-
-    // Write the data.
-    f.write(allData.toByteArray());
-
-    int zonetab_offset = (int) f.getFilePointer();
-
-    // Copy the zone.tab.
-    reader = new BufferedReader(new FileReader(zoneTabFile));
-    while ((s = reader.readLine()) != null) {
-      if (!s.startsWith("#")) {
-        f.writeBytes(s);
-        f.write('\n');
-      }
-    }
-    reader.close();
-
-    // Go back and fix up the offsets in the header.
-    f.seek(index_offset_offset);
-    f.writeInt(index_offset);
-    f.seek(data_offset_offset);
-    f.writeInt(data_offset);
-    f.seek(zonetab_offset_offset);
-    f.writeInt(zonetab_offset);
-
-    f.close();
-  }
-
-  private static byte[] toAscii(byte[] dst, String src) {
-    for (int i = 0; i < src.length(); ++i) {
-      if (src.charAt(i) > '~') {
-        throw new RuntimeException("non-ASCII string: " + src);
-      }
-      dst[i] = (byte) src.charAt(i);
-    }
-    return dst;
-  }
-
-  public static void main(String[] args) throws Exception {
-    if (args.length != 5) {
-      System.err.println("usage: java ZoneCompactor <setup file> <data directory> <zone.tab file> <output directory> <tzdata version>");
-      System.exit(0);
-    }
-    new ZoneCompactor(args[0], args[1], args[2], args[3], args[4]);
-  }
-}
diff --git a/libc/tools/zoneinfo/update-tzdata.py b/libc/tools/zoneinfo/update-tzdata.py
deleted file mode 100755
index 68a5ff5..0000000
--- a/libc/tools/zoneinfo/update-tzdata.py
+++ /dev/null
@@ -1,262 +0,0 @@
-#!/usr/bin/python
-
-"""Updates the timezone data held in bionic and ICU."""
-
-import ftplib
-import glob
-import httplib
-import os
-import re
-import shutil
-import subprocess
-import sys
-import tarfile
-import tempfile
-
-regions = ['africa', 'antarctica', 'asia', 'australasia',
-           'etcetera', 'europe', 'northamerica', 'southamerica',
-           # These two deliberately come last so they override what came
-           # before (and each other).
-           'backward', 'backzone' ]
-
-def CheckDirExists(dir, dirname):
-  if not os.path.isdir(dir):
-    print "Couldn't find %s (%s)!" % (dirname, dir)
-    sys.exit(1)
-
-bionic_libc_tools_zoneinfo_dir = os.path.realpath(os.path.dirname(sys.argv[0]))
-
-# Find the bionic directory, searching upward from this script.
-bionic_dir = os.path.realpath('%s/../../..' % bionic_libc_tools_zoneinfo_dir)
-bionic_libc_zoneinfo_dir = '%s/libc/zoneinfo' % bionic_dir
-CheckDirExists(bionic_libc_zoneinfo_dir, 'bionic/libc/zoneinfo')
-CheckDirExists(bionic_libc_tools_zoneinfo_dir, 'bionic/libc/tools/zoneinfo')
-print 'Found bionic in %s ...' % bionic_dir
-
-# Find the icu directory.
-icu_dir = os.path.realpath('%s/../external/icu' % bionic_dir)
-icu4c_dir = os.path.realpath('%s/icu4c/source' % icu_dir)
-icu4j_dir = os.path.realpath('%s/icu4j' % icu_dir)
-CheckDirExists(icu4c_dir, 'external/icu/icu4c/source')
-CheckDirExists(icu4j_dir, 'external/icu/icu4j')
-print 'Found icu in %s ...' % icu_dir
-
-
-def GetCurrentTzDataVersion():
-  return open('%s/tzdata' % bionic_libc_zoneinfo_dir).read().split('\x00', 1)[0]
-
-
-def WriteSetupFile():
-  """Writes the list of zones that ZoneCompactor should process."""
-  links = []
-  zones = []
-  for region in regions:
-    for line in open('extracted/%s' % region):
-      fields = line.split()
-      if fields:
-        if fields[0] == 'Link':
-          links.append('%s %s %s' % (fields[0], fields[1], fields[2]))
-          zones.append(fields[2])
-        elif fields[0] == 'Zone':
-          zones.append(fields[1])
-  zones.sort()
-
-  setup = open('setup', 'w')
-  for link in sorted(set(links)):
-    setup.write('%s\n' % link)
-  for zone in sorted(set(zones)):
-    setup.write('%s\n' % zone)
-  setup.close()
-
-
-def SwitchToNewTemporaryDirectory():
-  tmp_dir = tempfile.mkdtemp('-tzdata')
-  os.chdir(tmp_dir)
-  print 'Created temporary directory "%s"...' % tmp_dir
-
-
-def FtpRetrieveFile(ftp, filename):
-  ftp.retrbinary('RETR %s' % filename, open(filename, 'wb').write)
-
-
-def FtpRetrieveFileAndSignature(ftp, data_filename):
-  """Downloads and repackages the given data from the given FTP server."""
-  print 'Downloading data...'
-  FtpRetrieveFile(ftp, data_filename)
-
-  print 'Downloading signature...'
-  signature_filename = '%s.asc' % data_filename
-  FtpRetrieveFile(ftp, signature_filename)
-
-
-def HttpRetrieveFile(http, path, output_filename):
-  http.request("GET", path)
-  f = open(output_filename, 'wb')
-  f.write(http.getresponse().read())
-  f.close()
-
-
-def HttpRetrieveFileAndSignature(http, data_filename):
-  """Downloads and repackages the given data from the given HTTP server."""
-  path = "/time-zones/repository/releases/%s" % data_filename
-
-  print 'Downloading data...'
-  HttpRetrieveFile(http, path, data_filename)
-
-  print 'Downloading signature...'
-  signature_filename = '%s.asc' % data_filename
-  HttpRetrievefile(http, "%s.asc" % path, signature_filename)
-
-
-def BuildIcuToolsAndData(data_filename):
-  # Keep track of the original cwd so we can go back to it at the end.
-  original_working_dir = os.getcwd()
-
-  # Create a directory to run 'make' from.
-  icu_working_dir = '%s/icu' % original_working_dir
-  os.mkdir(icu_working_dir)
-  os.chdir(icu_working_dir)
-
-  # Build the ICU tools.
-  print 'Configuring ICU tools...'
-  subprocess.check_call(['%s/runConfigureICU' % icu4c_dir, 'Linux'])
-
-  # Run the ICU tools.
-  os.chdir('tools/tzcode')
-
-  # The tz2icu tool only picks up icuregions and icuzones in they are in the CWD
-  for icu_data_file in [ 'icuregions', 'icuzones']:
-    icu_data_file_source = '%s/tools/tzcode/%s' % (icu4c_dir, icu_data_file)
-    icu_data_file_symlink = './%s' % icu_data_file
-    os.symlink(icu_data_file_source, icu_data_file_symlink)
-
-  shutil.copyfile('%s/%s' % (original_working_dir, data_filename), data_filename)
-  print 'Making ICU data...'
-  # The Makefile assumes the existence of the bin directory.
-  os.mkdir('%s/bin' % icu_working_dir)
-  subprocess.check_call(['make'])
-
-  # Copy the source file to its ultimate destination.
-  icu_txt_data_dir = '%s/data/misc' % icu4c_dir
-  print 'Copying zoneinfo64.txt to %s ...' % icu_txt_data_dir
-  shutil.copy('zoneinfo64.txt', icu_txt_data_dir)
-
-  # Regenerate the .dat file.
-  os.chdir(icu_working_dir)
-  subprocess.check_call(['make', 'INCLUDE_UNI_CORE_DATA=1', '-j32'])
-
-  # Copy the .dat file to its ultimate destination.
-  icu_dat_data_dir = '%s/stubdata' % icu4c_dir
-  datfiles = glob.glob('data/out/tmp/icudt??l.dat')
-  if len(datfiles) != 1:
-    print 'ERROR: Unexpectedly found %d .dat files (%s). Halting.' % (len(datfiles), datfiles)
-    sys.exit(1)
-  datfile = datfiles[0]
-  print 'Copying %s to %s ...' % (datfile, icu_dat_data_dir)
-  shutil.copy(datfile, icu_dat_data_dir)
-
-  # Generate the ICU4J .jar files
-  os.chdir('%s/data' % icu_working_dir)
-  subprocess.check_call(['make', 'icu4j-data'])
-
-  # Copy the ICU4J .jar files to their ultimate destination.
-  icu_jar_data_dir = '%s/main/shared/data' % icu4j_dir
-  jarfiles = glob.glob('out/icu4j/*.jar')
-  if len(jarfiles) != 2:
-    print 'ERROR: Unexpectedly found %d .jar files (%s). Halting.' % (len(jarfiles), jarfiles)
-    sys.exit(1)
-  for jarfile in jarfiles:
-    print 'Copying %s to %s ...' % (jarfile, icu_jar_data_dir)
-    shutil.copy(jarfile, icu_jar_data_dir)
-
-  # Switch back to the original working cwd.
-  os.chdir(original_working_dir)
-
-
-def CheckSignature(data_filename):
-  signature_filename = '%s.asc' % data_filename
-  print 'Verifying signature...'
-  # If this fails for you, you probably need to import Paul Eggert's public key:
-  # gpg --recv-keys ED97E90E62AA7E34
-  subprocess.check_call(['gpg', '--trusted-key=ED97E90E62AA7E34', '--verify',
-                         signature_filename, data_filename])
-
-
-def BuildBionicToolsAndData(data_filename):
-  new_version = re.search('(tzdata.+)\\.tar\\.gz', data_filename).group(1)
-
-  print 'Extracting...'
-  os.mkdir('extracted')
-  tar = tarfile.open(data_filename, 'r')
-  tar.extractall('extracted')
-
-  print 'Calling zic(1)...'
-  os.mkdir('data')
-  zic_inputs = [ 'extracted/%s' % x for x in regions ]
-  zic_cmd = ['zic', '-d', 'data' ]
-  zic_cmd.extend(zic_inputs)
-  subprocess.check_call(zic_cmd)
-
-  WriteSetupFile()
-
-  print 'Calling ZoneCompactor to update bionic to %s...' % new_version
-  subprocess.check_call(['javac', '-d', '.',
-                         '%s/ZoneCompactor.java' % bionic_libc_tools_zoneinfo_dir])
-  subprocess.check_call(['java', 'ZoneCompactor',
-                         'setup', 'data', 'extracted/zone.tab',
-                         bionic_libc_zoneinfo_dir, new_version])
-
-
-# Run with no arguments from any directory, with no special setup required.
-# See http://www.iana.org/time-zones/ for more about the source of this data.
-def main():
-  print 'Looking for new tzdata...'
-
-  tzdata_filenames = []
-
-  # The FTP server lets you download intermediate releases, and also lets you
-  # download the signatures for verification, so it's your best choice.
-  use_ftp = True
-
-  if use_ftp:
-    ftp = ftplib.FTP('ftp.iana.org')
-    ftp.login()
-    ftp.cwd('tz/releases')
-    for filename in ftp.nlst():
-      if filename.startswith('tzdata20') and filename.endswith('.tar.gz'):
-        tzdata_filenames.append(filename)
-    tzdata_filenames.sort()
-  else:
-    http = httplib.HTTPConnection('www.iana.org')
-    http.request("GET", "/time-zones")
-    index_lines = http.getresponse().read().split('\n')
-    for line in index_lines:
-      m = re.compile('.*href="/time-zones/repository/releases/(tzdata20\d\d\c\.tar\.gz)".*').match(line)
-      if m:
-        tzdata_filenames.append(m.group(1))
-
-  # If you're several releases behind, we'll walk you through the upgrades
-  # one by one.
-  current_version = GetCurrentTzDataVersion()
-  current_filename = '%s.tar.gz' % current_version
-  for filename in tzdata_filenames:
-    if filename > current_filename:
-      print 'Found new tzdata: %s' % filename
-      SwitchToNewTemporaryDirectory()
-      if use_ftp:
-        FtpRetrieveFileAndSignature(ftp, filename)
-      else:
-        HttpRetrieveFileAndSignature(http, filename)
-
-      CheckSignature(filename)
-      BuildIcuToolsAndData(filename)
-      BuildBionicToolsAndData(filename)
-      print 'Look in %s and %s for new data files' % (bionic_dir, icu_dir)
-      sys.exit(0)
-
-  print 'You already have the latest tzdata (%s)!' % current_version
-  sys.exit(0)
-
-
-if __name__ == '__main__':
-  main()