diff --git a/modules/pref-instances.php b/modules/pref-instances.php
deleted file mode 100644
index ca9a011e1..000000000
--- a/modules/pref-instances.php
+++ /dev/null
@@ -1,204 +0,0 @@
-<?php
-	function module_pref_instances($link) {
-
-		if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
-			print __("Your access level is insufficient to open this tab.");
-			return;
-		}
-
-		$method = $_REQUEST['method'];
-
-		if ($method == "remove") {
-			$ids = db_escape_string($_REQUEST['ids']);
-
-			db_query($link, "DELETE FROM ttrss_linked_instances WHERE
-				id IN ($ids)");
-
-			return;
-		}
-
-		if ($method == "add") {
-			$id = db_escape_string($_REQUEST["id"]);
-			$access_url = db_escape_string($_REQUEST["access_url"]);
-			$access_key = db_escape_string($_REQUEST["access_key"]);
-
-			db_query($link, "BEGIN");
-
-			$result = db_query($link, "SELECT id FROM ttrss_linked_instances
-				WHERE access_url = '$access_url'");
-
-			if (db_num_rows($result) == 0) {
-				db_query($link, "INSERT INTO ttrss_linked_instances
-					(access_url, access_key, last_connected, last_status_in, last_status_out)
-					VALUES
-					('$access_url', '$access_key', '1970-01-01', -1, -1)");
-
-			}
-
-			db_query($link, "COMMIT");
-
-			return;
-		}
-
-		if ($method == "edit") {
-
-			$id = db_escape_string($_REQUEST["id"]);
-
-			$result = db_query($link, "SELECT * FROM ttrss_linked_instances WHERE
-				id = '$id'");
-
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"id\" value=\"$id\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"op\" value=\"pref-instances\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"method\" value=\"editSave\">";
-
-			print "<div class=\"dlgSec\">".__("Instance")."</div>";
-
-			print "<div class=\"dlgSecCont\">";
-
-			/* URL */
-
-			$access_url = htmlspecialchars(db_fetch_result($result, 0, "access_url"));
-
-			print __("URL:") . " ";
-
-			print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
-				placeHolder=\"".__("Instance URL")."\"
-				regExp='^(http|https)://.*'
-				style=\"font-size : 16px; width: 20em\" name=\"access_url\"
-				value=\"$access_url\">";
-
-			print "<hr/>";
-
-			$access_key = htmlspecialchars(db_fetch_result($result, 0, "access_key"));
-
-			/* Access key */
-
-			print __("Access key:") . " ";
-
-			print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
-				placeHolder=\"".__("Access key")."\" regExp='\w{40}'
-				style=\"width: 20em\" name=\"access_key\" id=\"instance_edit_key\"
-				value=\"$access_key\">";
-
-			print "<p class='insensitive'>" . __("Use one access key for both linked instances.");
-
-			print "</div>";
-
-			print "<div class=\"dlgButtons\">
-				<div style='float : left'>
-					<button dojoType=\"dijit.form.Button\"
-						onclick=\"return dijit.byId('instanceEditDlg').regenKey()\">".
-						__('Generate new key')."</button>
-				</div>
-				<button dojoType=\"dijit.form.Button\"
-					onclick=\"return dijit.byId('instanceEditDlg').execute()\">".
-					__('Save')."</button>
-				<button dojoType=\"dijit.form.Button\"
-					onclick=\"return dijit.byId('instanceEditDlg').hide()\"\">".
-					__('Cancel')."</button></div>";
-
-			return;
-		}
-
-		if ($method == "editSave") {
-			$id = db_escape_string($_REQUEST["id"]);
-			$access_url = db_escape_string($_REQUEST["access_url"]);
-			$access_key = db_escape_string($_REQUEST["access_key"]);
-
-			db_query($link, "UPDATE ttrss_linked_instances SET
-				access_key = '$access_key', access_url = '$access_url',
-				last_connected = '1970-01-01'
-				WHERE id = '$id'");
-
-			return;
-		}
-
-		if (!function_exists('curl_init')) {
-			print "<div style='padding : 1em'>";
-			print_error("This functionality requires CURL functions. Please enable CURL in your PHP configuration (you might also want to disable open_basedir in php.ini) and reload this page.");
-			print "</div>";
-		}
-
-		print "<div id=\"pref-instance-wrap\" dojoType=\"dijit.layout.BorderContainer\" gutters=\"false\">";
-		print "<div id=\"pref-instance-header\" dojoType=\"dijit.layout.ContentPane\" region=\"top\">";
-
-		print "<div id=\"pref-instance-toolbar\" dojoType=\"dijit.Toolbar\">";
-
-		$sort = db_escape_string($_REQUEST["sort"]);
-
-		if (!$sort || $sort == "undefined") {
-			$sort = "access_url";
-		}
-
-		print "<div dojoType=\"dijit.form.DropDownButton\">".
-				"<span>" . __('Select')."</span>";
-		print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
-		print "<div onclick=\"selectTableRows('prefInstanceList', 'all')\"
-			dojoType=\"dijit.MenuItem\">".__('All')."</div>";
-		print "<div onclick=\"selectTableRows('prefInstanceList', 'none')\"
-			dojoType=\"dijit.MenuItem\">".__('None')."</div>";
-		print "</div></div>";
-
-		print "<button dojoType=\"dijit.form.Button\" onclick=\"addInstance()\">".__('Link instance')."</button>";
-		print "<button dojoType=\"dijit.form.Button\" onclick=\"editSelectedInstance()\">".__('Edit')."</button>";
-		print "<button dojoType=\"dijit.form.Button\" onclick=\"removeSelectedInstances()\">".__('Remove')."</button>";
-
-		print "</div>"; #toolbar
-
-		$result = db_query($link, "SELECT *,
-			(SELECT COUNT(*) FROM ttrss_linked_feeds
-				WHERE instance_id = ttrss_linked_instances.id) AS num_feeds
-			FROM ttrss_linked_instances
-			ORDER BY $sort");
-
-		print "<p class=\"insensitive\" style='margin-left : 1em;'>" . __("You can connect other instances of Tiny Tiny RSS to this one to share Popular feeds. Link to this instance of Tiny Tiny RSS by using this URL:");
-
-		print " <a href=\"#\" onclick=\"alert('".htmlspecialchars(get_self_url_prefix())."')\">(display url)</a>";
-
-		print "<p><table width='100%' id='prefInstanceList' class='prefInstanceList' cellspacing='0'>";
-
-		print "<tr class=\"title\">
-			<td align='center' width=\"5%\">&nbsp;</td>
-			<td width=''><a href=\"#\" onclick=\"updateInstanceList('access_url')\">".__('Instance URL')."</a></td>
-			<td width='20%'><a href=\"#\" onclick=\"updateInstanceList('access_key')\">".__('Access key')."</a></td>
-			<td width='10%'><a href=\"#\" onclick=\"updateUsersList('last_connected')\">".__('Last connected')."</a></td>
-			<td width='10%'><a href=\"#\" onclick=\"updateUsersList('num_feeds')\">".__('Stored feeds')."</a></td>
-			</tr>";
-
-		$lnum = 0;
-
-		while ($line = db_fetch_assoc($result)) {
-			$class = ($lnum % 2) ? "even" : "odd";
-
-			$id = $line['id'];
-			$this_row_id = "id=\"LIRR-$id\"";
-
-			$line["last_connected"] = make_local_datetime($link, $line["last_connected"], false);
-
-			print "<tr class=\"$class\" $this_row_id>";
-
-			print "<td align='center'><input onclick='toggleSelectRow(this);'
-				type=\"checkbox\" id=\"LICHK-$id\"></td>";
-
-			$onclick = "onclick='editInstance($id, event)' title='".__('Click to edit')."'";
-
-			$access_key = mb_substr($line['access_key'], 0, 4) . '...' .
-				mb_substr($line['access_key'], -4);
-
-			print "<td $onclick>" . htmlspecialchars($line['access_url']) . "</td>";
-			print "<td $onclick>" . htmlspecialchars($access_key) . "</td>";
-			print "<td $onclick>" . htmlspecialchars($line['last_connected']) . "</td>";
-			print "<td $onclick>" . htmlspecialchars($line['num_feeds']) . "</td>";
-
-			print "</tr>";
-
-			++$lnum;
-		}
-
-		print "</table>";
-
-		print "</div>"; #pane
-		print "</div>"; #container
-
-	}
-?>