diff --git a/chroot_version_hooks.d/12_clean_old_config_files b/chroot_version_hooks.d/12_clean_old_config_files
deleted file mode 100644
index a0a194bdc9..0000000000
--- a/chroot_version_hooks.d/12_clean_old_config_files
+++ /dev/null
@@ -1,24 +0,0 @@
-# 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.
-
-info "Cleaning old configuration files, crosbug.com/13987"
-
-# The filesystem may be polluted by a lot of pending config file updates
-# at this point. By changing CONFIG_PROTECT, several of these have become
-# permanently stale, as neither tool considers them updates anymore.
-
-# First discard all updates in config files that are still protected, as
-# governed by the current CONFIG_PROTECT.
-# Autodiscard is option "-9" followed by the "YES" confirmation.
-info "Discarding bad updates"
-printf '%s\nYES\n' -9 | sudo etc-update
-
-# Overload CONFIG_PROTECT and automerge all possible updates in all sensible
-# locations, that is all updates that should've been merged immediately in
-# the first place.
-# Automerge is the "-5" option.
-info "Automerging good updates"
-echo "-5" | sudo CONFIG_PROTECT="/etc /usr/share" etc-update
-
-exit 0