diff --git a/modules/core/www/idp/performlogout.php b/modules/core/www/idp/performlogout.php
deleted file mode 100644
index 6c17a1c9fb0a0cd691950d77521ce7d33af400a5..0000000000000000000000000000000000000000
--- a/modules/core/www/idp/performlogout.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-if (!isset($_REQUEST['id'])) {
-	throw new SimpleSAML_Error_BadRequest('Missing id-parameter.');
-}
-$id = (string)$_REQUEST['id'];
-if (!isset($_REQUEST['sp'])) {
-	throw new SimpleSAML_Error_BadRequest('Missing sp-parameter.');
-}
-$sp = urldecode($_REQUEST['sp']);
-$type = @(string)$_REQUEST['type'];
-
-$state = SimpleSAML_Auth_State::loadState($id, 'core:Logout-IFrame');
-$idp = SimpleSAML_IdP::getByState($state);
-
-$associations = $state['core:Logout-IFrame:Associations'];
-if (!isset($associations[$sp])) {
-	exit;
-}
-
-$association = $associations[$sp];
-
-$metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
-$idpMetadata = $idp->getConfig();
-$spMetadata = $metadata->getMetaDataConfig($association['saml:entityID'], 'saml20-sp-remote');
-
-$lr = sspmod_saml_Message::buildLogoutRequest($idpMetadata, $spMetadata);
-$lr->setSessionIndex($association['saml:SessionIndex']);
-$lr->setNameId($association['saml:NameID']);
-
-$assertionLifetime = $spMetadata->getInteger('assertion.lifetime', NULL);
-if ($assertionLifetime === NULL) {
-	$assertionLifetime = $idpMetadata->getInteger('assertion.lifetime', 300);
-}
-$lr->setNotOnOrAfter(time() + $assertionLifetime);
-
-$encryptNameId = $spMetadata->getBoolean('nameid.encryption', NULL);
-if ($encryptNameId === NULL) {
-	$encryptNameId = $idpMetadata->getBoolean('nameid.encryption', FALSE);
-}
-if ($encryptNameId) {
-	$lr->encryptNameId(sspmod_saml_Message::getEncryptionKey($spMetadata));
-}
-
-SimpleSAML_Stats::log('saml:idp:LogoutRequest:sent', array(
-	'spEntityID' => $association['saml:entityID'],
-	'idpEntityID' => $idpMetadata->getString('entityid'),
-));
-
-$bindings = array(SAML2_Const::BINDING_HTTP_REDIRECT);
-if ($type === 'js') {
-	array_push($bindings, SAML2_Const::BINDING_HTTP_POST);
-}
-
-$dst = $spMetadata->getDefaultEndpoint('SingleLogoutService', $bindings);
-$binding = SAML2_Binding::getBinding($dst['Binding']);
-$lr->setDestination($dst['Location']);
-
-$binding->send($lr);