diff --git a/build_packages.sh b/build_packages.sh
deleted file mode 100644
index 7c29dc5..0000000
--- a/build_packages.sh
+++ /dev/null
@@ -1,140 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2011 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.
-
-# This script is being deprecated and moved to chromite/ by 2022-06-30.
-# Do not add any references to this script.
-# Please reach out if you have any questions.
-
-. "$(dirname "$0")/common.sh" || exit 1
-
-if [[ "$1" != "--script-is-run-only-by-chromite-and-not-users" ]]; then
-  die_notrace 'This script must not be run by users.' \
-    'Please run `build_packages` from $PATH (in chromite/bin/) instead.'
-fi
-# Discard the magic marker flag.
-shift
-
-# Developer-visible flags.
-DEFINE_string board "${DEFAULT_BOARD}" \
-  "The board to build packages for."
-
-# The --board_root flag specifies the environment variables ROOT and PKGDIR.
-# This allows fetching and emerging of all packages to specified board_root.
-# Note that --board_root will setup the board normally in /build/$BOARD, if it's
-# not setup yet. It also expects the toolchain to already be installed in the
-# board_root. --usepkgonly and --norebuild are required, because building is not
-# supported when board_root is set.
-# enforce this)."
-DEFINE_string board_root "" \
-  "Emerge packages to board_root."
-
-# --run_goma option is designed to be used on bots.
-# If you're trying to build pacakges with goma in your local dev env, this is
-# *not* the option you're looking for. Please see comments below.
-# This option; 1) starts goma, 2) builds packages (expecting that goma is
-# used), then 3) stops goma explicitly.
-# 3) is a request from the goma team, so that stats/logs can be taken.
-# Note: GOMA_DIR and GOMA_SERVICE_ACCOUNT_JSON_FILE are expected to be passed
-# via env var.
-#
-# In local dev env cases, compiler_proxy is expected to keep running.
-# In such a case;
-#   $ python ${GOMA_DIR}/goma_ctl.py ensure_start
-#   $ ./build_packages (... and options without --run_goma ...)
-# is an expected commandline sequence. If you set --run_goma flag while
-# compiler_proxy is already running, the existing compiler_proxy will be
-# stopped.
-DEFINE_boolean run_goma "${FLAGS_FALSE}" \
-  "If set to true, (re)starts goma, builds packages, and then stops goma."
-
-# This option is for building chrome remotely.
-#1) starts reproxy 2) builds chrome with reproxy and 3) stops reproxy so
-# logs/stats can be collected.
-# Note: RECLIENT_DIR and REPROXY_CFG are expected to be passed via env var.
-DEFINE_boolean run_remoteexec "${FLAGS_FALSE}" \
-  "If set to true, starts RBE reproxy, builds packages, and then stops reproxy."
-
-# Parse command line
-FLAGS "$@" || exit 1
-eval set -- "${FLAGS_ARGV}"
-
-# Die on any errors.
-switch_to_strict_mode
-
-# Setup all the emerge command/flags.
-# TODO(xcl): Remove once reverse dependency logic is migrated to Python.
-# During the migration, temporarily get the emerge flags from a envvar set in
-# Python.
-EMERGE_FLAGS=( ${BUILD_PACKAGES_EMERGE_FLAGS} )
-
-EMERGE_CMD=(
-  "${CHROMITE_BIN}/parallel_emerge"
-  --board=${FLAGS_board}
-)
-
-# Figure out which packages we should be building.
-PACKAGES=( "$@" )
-# TODO(xcl): During the migration, temporarily get the force local build
-# packages from a envvar set in Python.
-FORCE_LOCAL_BUILD_PKGS=( ${BUILD_PACKAGES_FORCE_LOCAL_BUILD_PKGS} )
-
-if [[ -n "${FLAGS_board_root}" ]]; then
-  export ROOT="${FLAGS_board_root}"
-  export PORTAGE_CONFIGROOT="${ROOT}"
-  export SYSROOT="${ROOT}"
-  export PKGDIR="${ROOT}"/packages
-fi
-
-if [[ ${#FORCE_LOCAL_BUILD_PKGS[@]} -gt 0 ]]; then
-  EMERGE_FLAGS+=(
-    --reinstall-atoms="${FORCE_LOCAL_BUILD_PKGS[*]}"
-    --usepkg-exclude="${FORCE_LOCAL_BUILD_PKGS[*]}"
-  )
-fi
-
-# A list of critical system packages that should never be incidentally
-# reinstalled as a side effect of build_packages. All packages in this list
-# are special cased to prefer matching installed versions, overriding the
-# typical logic of upgrading to the newest available version.
-#
-# This list can't include any package that gets installed to a board!
-# Packages such as LLVM or binutils must not be in this list as the normal
-# rebuild logic must still apply to them for board targets.
-#
-# TODO(crbug/1050752): Remove this list and the corresponding arguments
-# to `emerge` below once we figure out how to exclude toolchain packages from
-# being upgraded transitively via BDEPEND relations.
-CRITICAL_SDK_PACKAGES=(
-  "dev-embedded/hps-sdk"
-  "dev-lang/rust"
-  "dev-lang/go"
-  "sys-libs/glibc"
-  "sys-devel/gcc"
-)
-
-info "Merging board packages now"
-(
-
-  # Start reproxy for remote execution of building chrome.
-  if [[ "${FLAGS_run_remoteexec}" -eq "${FLAGS_TRUE}" ]]; then
-    info "Starting RBE reproxy."
-    bootstrap="${RECLIENT_DIR}/bootstrap --cfg=${REPROXY_CFG} \
-      --re_proxy=${RECLIENT_DIR}/reproxy"
-    ${bootstrap}
-    trap "${bootstrap} --shutdown" EXIT
-  # Support goma on bots. This has to run in subshell, otherwise EXIT trap
-  # handler is overwritten.
-  elif [[ "${FLAGS_run_goma}" -eq "${FLAGS_TRUE}" ]]; then
-    info "Starting goma compiler_proxy."
-    goma_ctl="${GOMA_DIR:-${HOME}/goma}/goma_ctl.py"
-    "${goma_ctl}" restart
-    trap "'${goma_ctl}' stop" EXIT
-  fi
-
-  info_run sudo -E "${EMERGE_CMD[@]}" "${EMERGE_FLAGS[@]}" "${PACKAGES[@]}" \
-    --useoldpkg-atoms="${CRITICAL_SDK_PACKAGES[*]}" \
-    --rebuild-exclude="${CRITICAL_SDK_PACKAGES[*]}"
-)