diff --git a/scripts/download-extensions b/scripts/download-extensions
deleted file mode 100755
index dfe425643..000000000
--- a/scripts/download-extensions
+++ /dev/null
@@ -1,103 +0,0 @@
-#!/bin/bash
-# Download RPMs to act as extensions.
-# See https://github.com/openshift/enhancements/pull/317
-# and https://github.com/coreos/fedora-coreos-tracker/issues/401
-# In the future this might live in rpm-ostree, see https://github.com/coreos/rpm-ostree/issues/2055
-set -euo pipefail
-destdir=$(realpath "${1}")
-shift
-reposdir=$(pwd)/src/config
-cd "${destdir}"
-
-# The "v2" format here is that there's an extensions/ directory, with subdirectories
-# for each extension - except you should ignore "repodata/".
-mkdir extensions
-cd extensions
-
-# Stuff that's not part of the extension
-mkdir dependencies
-
-# Downloads packages from specified repos
-yumdownload() {
-    # FIXME eventually use rpm-ostree for this
-    # shellcheck disable=SC2068
-    yum --setopt=reposdir="${reposdir}" --disablerepo='*' --arch="$(cosa basearch)" --enablerepo=rhel-8-baseos --enablerepo=rhel-8-appstream --enablerepo=rhel-8-server-ose --enablerepo=rhel-8-nfv download $@
-}
-
-# Simple info output function
-# 1 = message to show
-info() {
-    echo "++ $(basename "$0"): $1"
-}
-
-# Reuseable function for setting up an extension
-# Assumes it is running in "${destdir}/extensions"
-# 1 = extension name
-# 2 = package string/glob
-# 3 = OPTIONAL: dependencies string/glob
-createext() {
-    extname=$1
-    packages=$2
-
-    info "Creating extension ${extname}"
-    mkdir "${extname}"
-    (cd "${extname}" && yumdownload "${packages}")
-    # For backwards compatibility with existing MCO code, keep the RPMs at the toplevel too
-    pushd "${extname}"
-    for x in *.rpm; do
-        if [ ! -f "${destdir}/extensions/${x}" ]; then
-            ln "${x}" "${destdir}/extensions/"
-        fi
-    done
-    popd
-
-    # Grab dependencies if any are required
-    if [ $# -eq 3 ]; then
-        info "Downloading dependencies for ${extname}"
-        (cd dependencies && echo "${3}" && yumdownload "${3}" && echo "done")
-    fi
-}
-
-# In the event that kernel-rt is out of sync with vanilla kernel, determine
-# the right version of kernel-headers to use.  Assumes that `createext()`
-# has successfully created/downloaded the kernel-rt extension. Also assumes
-# it is running in "${destdir}/extensions"
-get_rtheaders() {
-    pushd kernel-rt
-    rtrpm=$(ls kernel-rt-core*)
-    rtver=$(rpm -qp --queryformat="%{VERSION}" "${rtrpm}")
-    # kernel-rt-core includes some RT specific data in the RELEASE of the RPM, which needs
-    # to be stripped to match kernel-headers (i.e. kernel-rt-core-4.18.0-193.28.1.rt13.77.el8_2.x86_64.rpm)
-    rtrel=$(rpm -qp --queryformat="%{RELEASE}" "${rtrpm}" | sed 's/\.rt[0-9]\+\.[0-9]\+//')
-    headers="kernel-headers-${rtver}-${rtrel}"
-    info "Retrieving ${headers} for ${rtrpm}"
-    yumdownload "${headers}"
-    headersrpm=$(ls kernel-headers*)
-    if [ ! -f "${destdir}/extensions/${headersrpm}" ]; then
-        ln "${headersrpm}" "${destdir}/extensions/"
-    fi
-    popd
-}
-
-# kernel-rt/kernel-rt-devel
-if [ "$(cosa basearch)" = x86_64 ]; then
-    # GRPA-2822
-    # https://github.com/openshift/machine-config-operator/pull/1330
-    # https://github.com/openshift/enhancements/blob/master/enhancements/support-for-realtime-kernel.md
-    # TODO: remove the rhaos-art-4.6 repo once the 8.2.z kernel is in the RHEL repo
-    createext "kernel-rt" "kernel-rt-core kernel-rt-kvm kernel-rt-modules kernel-rt-modules-extra kernel-rt-devel"
-    get_rtheaders
-fi
-
-# kernel-devel
-# https://github.com/kmods-via-containers/kmods-via-containers/issues/3
-# https://gitlab.cee.redhat.com/coreos/redhat-coreos/merge_requests/866
-createext "kernel-devel" "kernel-core kernel-devel kernel-headers kernel-modules kernel-modules-extra"
-
-# usbguard
-# https://github.com/coreos/fedora-coreos-tracker/issues/326
-#(cd dependencies && yumdownload libqb protobuf)
-createext "usbguard" "usbguard" "libqb protobuf"
-
-# Create the yum/dnf repo
-createrepo_c --no-database .