diff --git a/bin/cros_update b/bin/cros_update
deleted file mode 120000
index 72196ce..0000000
--- a/bin/cros_update
+++ /dev/null
@@ -1 +0,0 @@
-../scripts/wrapper.py
\ No newline at end of file
diff --git a/scripts/cros_update.py b/scripts/cros_update.py
deleted file mode 100644
index b8835ce..0000000
--- a/scripts/cros_update.py
+++ /dev/null
@@ -1,80 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2016 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""An utility for running updates over a DUT. (DEPRECATED: DO NOT USE.)"""
-
-from __future__ import print_function
-
-import os
-
-from chromite.lib import auto_updater
-from chromite.lib import auto_updater_transfer
-from chromite.lib import cros_logging as logging
-from chromite.lib import remote_access
-
-# The preserved path in remote device, won't be deleted after rebooting.
-CROS_PRESERVED_PATH = ('/mnt/stateful_partition/unencrypted/'
-                       'preserve/cros-update')
-
-# DO NOT USE THIS CLASS ANYMORE.
-# TODO(crbug.com/1071483): remove this class once M85 is passed the stable.
-class CrOSUpdateTrigger(object):
-  """The class for CrOS auto-updater trigger."""
-
-  def __init__(self, host_name, build_name, static_dir,
-               log_file=None, au_tempdir=None, force_update=False,
-               full_update=False, payload_filename=None,
-               clobber_stateful=True, devserver_url=None, static_url=None,
-               staging_server=None, transfer_class=None):
-    self.host_name = host_name
-    self.build_name = build_name
-    self.static_dir = static_dir
-    self.log_file = log_file
-    self.au_tempdir = au_tempdir
-    self.force_update = force_update
-    self.full_update = full_update
-    self.payload_filename = payload_filename
-    self.clobber_stateful = clobber_stateful
-    self.devserver_url = devserver_url
-    self.static_url = static_url
-    self.staging_server = staging_server
-    self.transfer_class = transfer_class or auto_updater_transfer.LocalTransfer
-    self._request_logs_dir = None
-
-  @property
-  def request_logs_dir(self):
-    """Gets dire containing logs created by the nebraska process."""
-    return self._request_logs_dir
-
-  def TriggerAU(self):
-    """Runs auto update."""
-    try:
-      with remote_access.ChromiumOSDeviceHandler(
-          self.host_name, base_dir=CROS_PRESERVED_PATH) as device:
-        logging.debug('Remote device %s is connected', self.host_name)
-
-        payload_dir = os.path.join(self.static_dir, self.build_name)
-        chromeos_AU = auto_updater.ChromiumOSUpdater(
-            device, self.build_name, payload_dir,
-            tempdir=self.au_tempdir,
-            log_file=self.log_file,
-            yes=True,
-            payload_filename=self.payload_filename,
-            clobber_stateful=self.clobber_stateful,
-            do_stateful_update=False,
-            staging_server=self.staging_server,
-            transfer_class=self.transfer_class)
-
-        # Get nebraska request logfiles dir from auto_updater.
-        self._request_logs_dir = chromeos_AU.request_logs_dir
-
-        chromeos_AU.RunUpdate()
-
-    except Exception as e:
-      logging.debug('Error happens in CrOS auto-update: %r', e)
-      raise
-
-def main():
-  logging.notice('This binary is deprecated. DO NOT USE.')
diff --git a/scripts/cros_update_unittest b/scripts/cros_update_unittest
deleted file mode 120000
index b7045c5..0000000
--- a/scripts/cros_update_unittest
+++ /dev/null
@@ -1 +0,0 @@
-wrapper.py
\ No newline at end of file
diff --git a/scripts/cros_update_unittest.py b/scripts/cros_update_unittest.py
deleted file mode 100644
index 59e1fed..0000000
--- a/scripts/cros_update_unittest.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2018 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Unit tests for cros_update."""
-
-from __future__ import print_function
-
-from chromite.lib import auto_updater
-from chromite.lib import cros_test_lib
-from chromite.scripts import cros_update
-
-
-class CrosUpdateTest(cros_test_lib.RunCommandTestCase):
-  """Tests cros_update functions."""
-
-  def testTriggerAU(self):
-    cros_update_trigger = cros_update.CrOSUpdateTrigger(
-        'foo-host-name', 'foo-build-name', 'foo-static-dir')
-    run_update_mock = self.PatchObject(auto_updater.ChromiumOSUpdater,
-                                       'RunUpdate')
-    cros_update_trigger.TriggerAU()
-    run_update_mock.assert_called_once()