post_upgrade() {
    # Remove bash script that was installed before v0.7.11-2
    if [ -e /opt/beaker-browser/beaker-browser.sh ];
    then
        rm /opt/beaker-browser/beaker-browser.sh;
    fi
    # Remove AppImage that was installed prior to v0.8.0-prerelease.7-3
    if [ -e /opt/beaker-browser/beaker-browser.AppImage ];
    then
        rm /opt/beaker-browser/beaker-browser.AppImage;
    fi

}