    # Common functions for all install scripts

    # remove_alternative -- remove an alternative
    #
    # remove_alternative program
    function remove_alternative() {
        local program="$1"
        update-alternatives \
            --remove "$program" "/usr/bin/$program-$suffix"
        rm "/usr/bin/$program-$suffix"
    }

    # remove_java_plugin -- add an alternative for a browser plugin
    #
    # remove_java_plugin plugins_path
    function remove_java_plugin() {
        update-alternatives \
            --remove "firefox-javaplugin.so" "$plugin_dir/libjavaplugin_oji.so"
    }
