diff --git a/lib/tablelib.php b/lib/tablelib.php
index 7d4b5bc52d18c..d33942c3ce19c 100644
--- a/lib/tablelib.php
+++ b/lib/tablelib.php
@@ -1676,122 +1676,6 @@ function format_text($text, $format=FORMAT_MOODLE, $options=NULL, $courseid=NULL
     }
 }
 
-
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_spreadsheet_export_format_parent extends table_default_export_format_parent {
-    var $currentrow;
-    var $workbook;
-    var $worksheet;
-    /**
-     * @var object format object - format for normal table cells
-     */
-    var $formatnormal;
-    /**
-     * @var object format object - format for header table cells
-     */
-    var $formatheaders;
-
-    /**
-     * should be overriden in child class.
-     */
-    var $fileextension;
-
-    /**
-     * This method will be overridden in the child class.
-     */
-    function define_workbook() {
-    }
-
-    function start_document($filename) {
-        $filename = $filename.'.'.$this->fileextension;
-        $this->define_workbook();
-        // format types
-        $this->formatnormal = $this->workbook->add_format();
-        $this->formatnormal->set_bold(0);
-        $this->formatheaders = $this->workbook->add_format();
-        $this->formatheaders->set_bold(1);
-        $this->formatheaders->set_align('center');
-        // Sending HTTP headers
-        $this->workbook->send($filename);
-        $this->documentstarted = true;
-    }
-
-    function start_table($sheettitle) {
-        $this->worksheet = $this->workbook->add_worksheet($sheettitle);
-        $this->currentrow=0;
-    }
-
-    function output_headers($headers) {
-        $colnum = 0;
-        foreach ($headers as $item) {
-            $this->worksheet->write($this->currentrow,$colnum,$item,$this->formatheaders);
-            $colnum++;
-        }
-        $this->currentrow++;
-    }
-
-    function add_data($row) {
-        $colnum = 0;
-        foreach ($row as $item) {
-            $this->worksheet->write($this->currentrow,$colnum,$item,$this->formatnormal);
-            $colnum++;
-        }
-        $this->currentrow++;
-        return true;
-    }
-
-    function add_seperator() {
-        $this->currentrow++;
-        return true;
-    }
-
-    function finish_table() {
-    }
-
-    function finish_document() {
-        $this->workbook->close();
-        exit;
-    }
-}
-
-
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_excel_export_format extends table_spreadsheet_export_format_parent {
-    var $fileextension = 'xls';
-
-    function define_workbook() {
-        global $CFG;
-        require_once("$CFG->libdir/excellib.class.php");
-        // Creating a workbook
-        $this->workbook = new MoodleExcelWorkbook("-");
-    }
-
-}
-
-
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_ods_export_format extends table_spreadsheet_export_format_parent {
-    var $fileextension = 'ods';
-    function define_workbook() {
-        global $CFG;
-        require_once("$CFG->libdir/odslib.class.php");
-        // Creating a workbook
-        $this->workbook = new MoodleODSWorkbook("-");
-    }
-}
-
 /**
  * Dataformat exporter
  *
@@ -1896,211 +1780,3 @@ public function finish_document() {
 
 }
 
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_text_export_format_parent extends table_default_export_format_parent {
-    protected $seperator = "tab";
-    protected $mimetype = 'text/tab-separated-values';
-    protected $ext = '.txt';
-    protected $myexporter;
-
-    public function __construct() {
-        $this->myexporter = new csv_export_writer($this->seperator, '"', $this->mimetype);
-    }
-
-    public function start_document($filename) {
-        $this->filename = $filename;
-        $this->documentstarted = true;
-        $this->myexporter->set_filename($filename, $this->ext);
-    }
-
-    public function start_table($sheettitle) {
-        //nothing to do here
-    }
-
-    public function output_headers($headers) {
-        $this->myexporter->add_data($headers);
-    }
-
-    public function add_data($row) {
-        $this->myexporter->add_data($row);
-        return true;
-    }
-
-    public function finish_table() {
-        //nothing to do here
-    }
-
-    public function finish_document() {
-        $this->myexporter->download_file();
-        exit;
-    }
-
-    /**
-     * Format a row of data.
-     * @param array $data
-     */
-    protected function format_row($data) {
-        $escapeddata = array();
-        foreach ($data as $value) {
-            $escapeddata[] = '"' . str_replace('"', '""', $value) . '"';
-        }
-        return implode($this->seperator, $escapeddata) . "\n";
-    }
-}
-
-
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_tsv_export_format extends table_text_export_format_parent {
-    protected $seperator = "tab";
-    protected $mimetype = 'text/tab-separated-values';
-    protected $ext = '.txt';
-}
-
-require_once($CFG->libdir . '/csvlib.class.php');
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_csv_export_format extends table_text_export_format_parent {
-    protected $seperator = "comma";
-    protected $mimetype = 'text/csv';
-    protected $ext = '.csv';
-}
-
-/**
- * @package   moodlecore
- * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class table_xhtml_export_format extends table_default_export_format_parent {
-    function start_document($filename) {
-        header("Content-Type: application/download\n");
-        header("Content-Disposition: attachment; filename=\"$filename.html\"");
-        header("Expires: 0");
-        header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
-        header("Pragma: public");
-        //html headers
-        echo <<<EOF
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE html
-  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-
-<html xmlns="http://www.w3.org/1999/xhtml"
-  xml:lang="en" lang="en">
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-<style type="text/css">/*<![CDATA[*/
-
-.flexible th {
-white-space:normal;
-}
-th.header, td.header, div.header {
-border-color:#DDDDDD;
-background-color:lightGrey;
-}
-.flexible th {
-white-space:nowrap;
-}
-th {
-font-weight:bold;
-}
-
-.generaltable {
-border-style:solid;
-}
-.generalbox {
-border-style:solid;
-}
-body, table, td, th {
-font-family:Arial,Verdana,Helvetica,sans-serif;
-font-size:100%;
-}
-td {
-    border-style:solid;
-    border-width:1pt;
-}
-table {
-    border-collapse:collapse;
-    border-spacing:0pt;
-    width:80%;
-    margin:auto;
-}
-
-h1, h2 {
-    text-align:center;
-}
-.bold {
-font-weight:bold;
-}
-.mdl-align {
-    text-align:center;
-}
-/*]]>*/</style>
-<title>$filename</title>
-</head>
-<body>
-EOF;
-        $this->documentstarted = true;
-    }
-
-    function start_table($sheettitle) {
-        $this->table->sortable(false);
-        $this->table->collapsible(false);
-        echo "<h2>{$sheettitle}</h2>";
-        $this->table->start_html();
-    }
-
-    function output_headers($headers) {
-        $this->table->print_headers();
-        echo html_writer::start_tag('tbody');
-    }
-
-    function add_data($row) {
-        $this->table->print_row($row);
-        return true;
-    }
-
-    function add_seperator() {
-        $this->table->print_row(NULL);
-        return true;
-    }
-
-    function finish_table() {
-        $this->table->finish_html();
-    }
-
-    function finish_document() {
-        echo "</body>\n</html>";
-        exit;
-    }
-
-    function format_text($text, $format=FORMAT_MOODLE, $options=NULL, $courseid=NULL) {
-        if (is_null($options)) {
-            $options = new stdClass;
-        }
-        //some sensible defaults
-        if (!isset($options->para)) {
-            $options->para = false;
-        }
-        if (!isset($options->newlines)) {
-            $options->newlines = false;
-        }
-        if (!isset($options->smiley)) {
-            $options->smiley = false;
-        }
-        if (!isset($options->filter)) {
-            $options->filter = false;
-        }
-        return format_text($text, $format, $options);
-    }
-}