diff --git a/mod/admin.php b/mod/admin.php
deleted file mode 100644
index d1096a68b7..0000000000
--- a/mod/admin.php
+++ /dev/null
@@ -1,179 +0,0 @@
-<?php
-/**
- * @file mod/admin.php
- *
- * @brief Friendica admin
- */
-
-use Friendica\App;
-use Friendica\BaseModule;
-use Friendica\Content\Feature;
-use Friendica\Content\Pager;
-use Friendica\Content\Text\Markdown;
-use Friendica\Core\Config;
-use Friendica\Core\L10n;
-use Friendica\Core\Logger;
-use Friendica\Core\Renderer;
-use Friendica\Core\StorageManager;
-use Friendica\Core\System;
-use Friendica\Core\Theme;
-use Friendica\Core\Update;
-use Friendica\Core\Worker;
-use Friendica\Database\DBA;
-use Friendica\Database\DBStructure;
-use Friendica\Model\Contact;
-use Friendica\Model\Item;
-use Friendica\Model\Register;
-use Friendica\Model\User;
-use Friendica\Module;
-use Friendica\Module\Login;
-use Friendica\Module\Tos;
-use Friendica\Protocol\PortableContact;
-use Friendica\Util\Arrays;
-use Friendica\Util\BasePath;
-use Friendica\Util\BaseURL;
-use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Network;
-use Friendica\Util\Strings;
-use Friendica\Util\Temporal;
-use Psr\Log\LogLevel;
-
-/**
- * @brief Process send data from the admin panels subpages
- *
- * This function acts as relay for processing the data send from the subpages
- * of the admin panel. Depending on the 1st parameter of the url (argv[1])
- * specialized functions are called to process the data from the subpages.
- *
- * The function itself does not return anything, but the subsequently function
- * return the HTML for the pages of the admin panel.
- *
- * @param App $a
- * @throws ImagickException
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
-function admin_post(App $a)
-{
-	if (!is_site_admin()) {
-		return;
-	}
-
-	// do not allow a page manager to access the admin panel at all.
-
-	if (!empty($_SESSION['submanage'])) {
-		return;
-	}
-
-	$return_path = 'admin';
-
-	$a->internalRedirect($return_path);
-	return; // NOTREACHED
-}
-
-/**
- * @brief Generates content of the admin panel pages
- *
- * This function generates the content for the admin panel. It consists of the
- * aside menu (same for the entire admin panel) and the code for the soecified
- * subpage of the panel.
- *
- * The structure of the adress is: /admin/subpage/details though "details" is
- * only necessary for some subpages, like themes or addons where it is the name
- * of one theme resp. addon from which the details should be shown. Content for
- * the subpages is generated in separate functions for each of the subpages.
- *
- * The returned string hold the generated HTML code of the page.
- *
- * @param App $a
- * @return string
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
-function admin_content(App $a)
-{
-	if (!is_site_admin()) {
-		return Login::form();
-	}
-
-	if (!empty($_SESSION['submanage'])) {
-		return "";
-	}
-
-	// APC deactivated, since there are problems with PHP 5.5
-	//if (function_exists("apc_delete")) {
-	// $toDelete = new APCIterator('user', APC_ITER_VALUE);
-	// apc_delete($toDelete);
-	//}
-	// Header stuff
-	$a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('admin/settings_head.tpl'), []);
-
-	/*
-	 * Side bar links
-	 */
-	$aside_tools = [];
-	// array(url, name, extra css classes)
-	// not part of $aside to make the template more adjustable
-	$aside_sub = [
-		'information' => [L10n::t('Information'), [
-			'overview' => ['admin/', L10n::t('Overview'), 'overview'],
-			'federation'   => ['admin/federation/'  , L10n::t('Federation Statistics'), 'federation']]],
-		'configuration' => [L10n::t('Configuration'), [
-			'site'         => ['admin/site/'        , L10n::t('Site')                    , 'site'],
-			'users'        => ['admin/users/'       , L10n::t('Users')                   , 'users'],
-			'addons'       => ['admin/addons/'      , L10n::t('Addons')                  , 'addons'],
-			'themes'       => ['admin/themes/'      , L10n::t('Themes')                  , 'themes'],
-			'features'     => ['admin/features/'    , L10n::t('Additional features')     , 'features'],
-			'tos'          => ['admin/tos/'         , L10n::t('Terms of Service')        , 'tos']]],
-		'database' => [L10n::t('Database'), [
-			'dbsync'       => ['admin/dbsync/'      , L10n::t('DB updates')              , 'dbsync'],
-			'deferred'     => ['admin/deferred/'    , L10n::t('Inspect Deferred Workers'), 'deferred'],
-			'workerqueue'  => ['admin/workerqueue/' , L10n::t('Inspect worker Queue')    , 'workerqueue']]],
-		'tools' => [L10n::t('Tools'), [
-			'contactblock' => ['admin/contactblock/', L10n::t('Contact Blocklist')       , 'contactblock'],
-			'blocklist'    => ['admin/blocklist/'   , L10n::t('Server Blocklist')        , 'blocklist'],
-			'deleteitem'   => ['admin/deleteitem/'  , L10n::t('Delete Item')             , 'deleteitem'],]],
-		'logs' => [L10n::t('Logs'), [
-			'logsconfig' => ['admin/logs/', L10n::t('Logs'), 'logs'],
-			'logsview' => ['admin/viewlogs/', L10n::t('View Logs'), 'viewlogs']
-		]],
-		'diagnostics' => [L10n::t('Diagnostics'), [
-			'phpinfo' => ['phpinfo/', L10n::t('PHP Info'), 'phpinfo'],
-			'probe' => ['probe/', L10n::t('probe address'), 'probe'],
-			'webfinger' =>['webfinger/', L10n::t('check webfinger'), 'webfinger']
-		]]
-	];
-
-	$aside_tools['addons_admin'] = [];
-
-	$t = Renderer::getMarkupTemplate('admin/aside.tpl');
-	$a->page['aside'] .= Renderer::replaceMacros($t, [
-		'$admin' => $aside_tools,
-		'$subpages' => $aside_sub,
-		'$admtxt' => L10n::t('Admin'),
-		'$plugadmtxt' => L10n::t('Addon Features'),
-		'$h_pending' => L10n::t('User registrations waiting for confirmation'),
-		'$admurl' => "admin/"
-	]);
-
-	// Page content
-	$o = '';
-	// urls
-	if ($a->argc > 1) {
-		switch ($a->argv[1]) {
-			default:
-				notice(L10n::t("Item not found."));
-		}
-	}
-
-	if ($a->isAjax()) {
-		echo $o;
-		exit();
-	} else {
-		return $o;
-	}
-}
-
-function admin_page_server_vital()
-{
-	// Fetch the host-meta to check if this really is a vital server
-	return Network::curl(System::baseUrl() . '/.well-known/host-meta')->isSuccess();
-}