diff --git a/bin/mozilla-en-US.py b/bin/mozilla-en-US.py
deleted file mode 100644
index a1806e026f..0000000000
--- a/bin/mozilla-en-US.py
+++ /dev/null
@@ -1,152 +0,0 @@
-#!/usr/bin/env python
-"""
-This script creates or updates en-US repositories from Mozilla source
-code to use for Mozilla product localization.
-
-The author of the original script is Ognyan Kulev (ogi):
-https://twitter.com/OgnyanKulev
-
-This is his code:
-https://bitbucket.org/ogi/mozilla-l10n-po/
-"""
-
-import datetime
-import os
-import shutil
-import subprocess
-
-TARGET_REPOS = {
-    'firefox': [
-        'browser',
-        'devtools',
-        'dom',
-        'netwerk',
-        'security',
-        'services',
-        'toolkit',
-    ],
-    'firefox-for-android': [
-        'mobile',
-    ],
-    'thunderbird': [
-        'chat',
-        'editor',
-        'mail',
-        'other-licenses',
-    ],
-    'lightning': [
-        'calendar',
-    ],
-    'seamonkey': [
-        'suite',
-    ],
-}
-
-
-def write(text):
-    timestamp = datetime.datetime.now().strftime('[%Y-%m-%d %H:%M:%S] ')
-    print(timestamp + text)
-
-
-def execute(command, cwd=None):
-    try:
-        st = subprocess.PIPE
-        proc = subprocess.Popen(
-            args=command, stdout=st, stderr=st, stdin=st, cwd=cwd)
-
-        (output, error) = proc.communicate()
-        code = proc.returncode
-        return code, output, error
-
-    except OSError as error:
-        return -1, '', error
-
-
-def pull(url, target):
-    # Undo local changes
-    execute(['hg', 'revert', '--all', '--no-backup'], target)
-
-    # Pull
-    code, output, error = execute(['hg', 'pull'], target)
-    code, output, error = execute(['hg', 'update', '-c'], target)
-    if code == 0:
-        write('Repository at ' + url + ' updated.')
-
-    # Clone
-    else:
-        write(str(error))
-        write('Clone instead.')
-
-        # Clean up target directory on a failed pull, so that it's empty for a clone
-        command = ["rm", "-rf", target]
-        code, output, error = execute(command)
-
-        code, output, error = execute(['hg', 'clone', url, target])
-        if code == 0:
-            write('Repository at ' + url + ' cloned.')
-        else:
-            write(str(error))
-
-    return code
-
-
-def push(path):
-    # Add new and remove missing
-    execute(['hg', 'addremove'], path)
-
-    # Commit
-    code, output, error = execute(['hg', 'commit', '-m', 'Update'], path)
-    if code != 0 and len(error):
-        write(str(error))
-
-    # Push
-    code, output, error = execute(['hg', 'push'], path)
-    if code == 0:
-        write('Repository at ' + path + ' pushed.')
-    elif len(error):
-        write(str(error))
-
-
-def quit_or_pass(code):
-    # In case of a non-zero error code, quit early (bug 1475603)
-    if code != 0:
-        quit(code)
-
-
-# Change working directory to where script is located
-abspath = os.path.abspath(__file__)
-dname = os.path.dirname(abspath)
-os.chdir(dname)
-
-# Clone or update source repository
-url = 'https://hg.mozilla.org/l10n/gecko-strings/'
-target = 'source'
-code = pull(url, target)
-
-quit_or_pass(code)
-
-for repo in TARGET_REPOS.keys():
-    ending = repo + '-central'
-    url = 'ssh://hg.mozilla.org/users/m_owca.info/' + ending
-    target = os.path.join('target', ending)
-
-    # Clone or update target repository
-    code = pull(url, target)
-
-    quit_or_pass(code)
-
-    # Prune all subdirectories in target repository in case they get removed from source
-    for subdir in os.listdir(target):
-        if not subdir.startswith('.'):
-            shutil.rmtree(os.path.join(target, subdir))
-
-    # Copy folders from source to target
-    for folder in TARGET_REPOS[repo]:
-        origin = os.path.join('source', folder)
-        destination = os.path.join('target', ending, folder)
-
-        if os.path.exists(origin):
-            shutil.copytree(origin, destination)
-
-    # Commit and push target repositories
-    push(target)