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diff --git a/includes/search/SearchIBM_DB2.php b/includes/search/SearchIBM_DB2.php
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--- a/includes/search/SearchIBM_DB2.php
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@@ -1,234 +0,0 @@
-<?php
-/**
- * IBM DB2 search engine
- *
- * Copyright © 2004 Brion Vibber <brion@pobox.com>
- * http://www.mediawiki.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- * @ingroup Search
- */
-
-/**
- * Search engine hook base class for IBM DB2
- * @ingroup Search
- */
-class SearchIBM_DB2 extends SearchEngine {
-
-	/**
-	 * Creates an instance of this class
-	 * @param $db DatabaseIbm_db2: database object
-	 */
-	function __construct($db) {
-		parent::__construct( $db );
-	}
-
-	/**
-	 * Perform a full text search query and return a result set.
-	 *
-	 * @param $term String: raw search term
-	 * @return SqlSearchResultSet
-	 */
-	function searchText( $term ) {
-		$resultSet = $this->db->resultObject($this->db->query($this->getQuery($this->filter($term), true)));
-		return new SqlSearchResultSet($resultSet, $this->searchTerms);
-	}
-
-	/**
-	 * Perform a title-only search query and return a result set.
-	 *
-	 * @param $term String: taw search term
-	 * @return SqlSearchResultSet
-	 */
-	function searchTitle($term) {
-		$resultSet = $this->db->resultObject($this->db->query($this->getQuery($this->filter($term), false)));
-		return new SqlSearchResultSet($resultSet, $this->searchTerms);
-	}
-
-
-	/**
-	 * Return a partial WHERE clause to exclude redirects, if so set
-	 * @return String
-	 */
-	function queryRedirect() {
-		if ($this->showRedirects) {
-			return '';
-		} else {
-			return 'AND page_is_redirect=0';
-		}
-	}
-
-	/**
-	 * Return a partial WHERE clause to limit the search to the given namespaces
-	 * @return String
-	 */
-	function queryNamespaces() {
-		if( is_null($this->namespaces) )
-			return '';
-		$namespaces = implode(',', $this->namespaces);
-		if ($namespaces == '') {
-			$namespaces = '0';
-		}
-		return 'AND page_namespace IN (' . $namespaces . ')';
-	}
-
-	/**
-	 * Return a LIMIT clause to limit results on the query.
-	 * @return String
-	 */
-	function queryLimit( $sql ) {
-		return $this->db->limitResult($sql, $this->limit, $this->offset);
-	}
-
-	/**
-	 * Does not do anything for generic search engine
-	 * subclasses may define this though
-	 * @return String
-	 */
-	function queryRanking($filteredTerm, $fulltext) {
-		// requires Net Search Extender or equivalent
-		// return ' ORDER BY score(1)';
-		return '';
-	}
-
-	/**
-	 * Construct the full SQL query to do the search.
-	 * The guts shoulds be constructed in queryMain()
-	 * @param $filteredTerm String
-	 * @param $fulltext Boolean
-	 * @return String
-	 */
-	function getQuery( $filteredTerm, $fulltext ) {
-		return $this->queryLimit($this->queryMain($filteredTerm, $fulltext) . ' ' .
-			$this->queryRedirect() . ' ' .
-			$this->queryNamespaces() . ' ' .
-			$this->queryRanking( $filteredTerm, $fulltext ) . ' ');
-	}
-
-
-	/**
-	 * Picks which field to index on, depending on what type of query.
-	 * @param $fulltext Boolean
-	 * @return String
-	 */
-	function getIndexField($fulltext) {
-		return $fulltext ? 'si_text' : 'si_title';
-	}
-
-	/**
-	 * Get the base part of the search query.
-	 *
-	 * @param $filteredTerm String
-	 * @param $fulltext Boolean
-	 * @return String
-	 */
-	function queryMain( $filteredTerm, $fulltext ) {
-		$match = $this->parseQuery($filteredTerm, $fulltext);
-		$page        = $this->db->tableName('page');
-		$searchindex = $this->db->tableName('searchindex');
-		return 'SELECT page_id, page_namespace, page_title ' .
-			"FROM $page,$searchindex " .
-			'WHERE page_id=si_page AND ' . $match;
-	}
-
-	/** @todo document
-	 * @return string
-	 */
-	function parseQuery($filteredText, $fulltext) {
-		global $wgContLang;
-		$lc = SearchEngine::legalSearchChars();
-		$this->searchTerms = array();
-
-		# @todo FIXME: This doesn't handle parenthetical expressions.
-		$m = array();
-		$q = array();
-
-		if (preg_match_all('/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
-			  $filteredText, $m, PREG_SET_ORDER)) {
-			foreach($m as $terms) {
-
-				// Search terms in all variant forms, only
-				// apply on wiki with LanguageConverter
-				$temp_terms = $wgContLang->autoConvertToAllVariants( $terms[2] );
-				if( is_array( $temp_terms )) {
-					$temp_terms = array_unique( array_values( $temp_terms ));
-					foreach( $temp_terms as $t )
-						$q[] = $terms[1] . $wgContLang->normalizeForSearch( $t );
-				}
-				else
-					$q[] = $terms[1] . $wgContLang->normalizeForSearch( $terms[2] );
-
-				if (!empty($terms[3])) {
-					$regexp = preg_quote( $terms[3], '/' );
-					if ($terms[4])
-						$regexp .= "[0-9A-Za-z_]+";
-				} else {
-					$regexp = preg_quote(str_replace('"', '', $terms[2]), '/');
-				}
-				$this->searchTerms[] = $regexp;
-			}
-		}
-
-		$searchon = $this->db->strencode(join(',', $q));
-		$field = $this->getIndexField($fulltext);
-		
-		// requires Net Search Extender or equivalent
-		//return " CONTAINS($field, '$searchon') > 0 ";
-		
-		return " lcase($field) LIKE lcase('%$searchon%')";
-	}
-
-	/**
-	 * Create or update the search index record for the given page.
-	 * Title and text should be pre-processed.
-	 *
-	 * @param $id Integer
-	 * @param $title String
-	 * @param $text String
-	 */
-	function update($id, $title, $text) {
-		$dbw = wfGetDB(DB_MASTER);
-		$dbw->replace('searchindex',
-			array('si_page'),
-			array(
-				'si_page' => $id,
-				'si_title' => $title,
-				'si_text' => $text
-			), 'SearchIBM_DB2::update' );
-		// ?
-		//$dbw->query("CALL ctx_ddl.sync_index('si_text_idx')");
-		//$dbw->query("CALL ctx_ddl.sync_index('si_title_idx')");
-	}
-
-	/**
-	 * Update a search index record's title only.
-	 * Title should be pre-processed.
-	 *
-	 * @param $id Integer
-	 * @param $title String
-	 */
-	function updateTitle($id, $title) {
-		$dbw = wfGetDB(DB_MASTER);
-
-		$dbw->update('searchindex',
-			array('si_title' => $title),
-			array('si_page'  => $id),
-			'SearchIBM_DB2::updateTitle',
-			array());
-	}
-}