diff --git a/apps/files_versions/appinfo/app.php b/apps/files_versions/appinfo/app.php
deleted file mode 100644
index 917b8831c0..0000000000
--- a/apps/files_versions/appinfo/app.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
- * @author Victor Dubiniuk <dubiniuk@owncloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
- */
-
-\OC::$server->query(\OCA\Files_Versions\AppInfo\Application::class);
diff --git a/apps/files_versions/lib/AppInfo/Application.php b/apps/files_versions/lib/AppInfo/Application.php
index c078e05bfe..82a12fbc5b 100644
--- a/apps/files_versions/lib/AppInfo/Application.php
+++ b/apps/files_versions/lib/AppInfo/Application.php
@@ -38,31 +38,32 @@ use OCA\Files_Versions\Listener\LoadAdditionalListener;
 use OCA\Files_Versions\Listener\LoadSidebarListener;
 use OCA\Files_Versions\Versions\IVersionManager;
 use OCA\Files_Versions\Versions\VersionManager;
+use OCP\App\IAppManager;
 use OCP\AppFramework\App;
+use OCP\AppFramework\Bootstrap\IBootContext;
+use OCP\AppFramework\Bootstrap\IBootstrap;
+use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\AppFramework\IAppContainer;
-use OCP\EventDispatcher\IEventDispatcher;
+use OCP\ILogger;
+use OCP\IServerContainer;
 
-class Application extends App {
+class Application extends App implements IBootstrap {
 	public const APP_ID = 'files_versions';
 
 	public function __construct(array $urlParams = []) {
 		parent::__construct(self::APP_ID, $urlParams);
+	}
 
-		$container = $this->getContainer();
-		$server = $container->getServer();
-
-		/** @var IEventDispatcher $newDispatcher */
-		$dispatcher = $server->query(IEventDispatcher::class);
-
+	public function register(IRegistrationContext $context): void {
 		/**
 		 * Register capabilities
 		 */
-		$container->registerCapability(Capabilities::class);
+		$context->registerCapability(Capabilities::class);
 
 		/**
 		 * Register $principalBackend for the DAV collection
 		 */
-		$container->registerService('principalBackend', function (IAppContainer $c) {
+		$context->registerService('principalBackend', function (IAppContainer $c) {
 			$server = $c->getServer();
 			return new Principal(
 				$server->getUserManager(),
@@ -71,20 +72,23 @@ class Application extends App {
 				$server->getUserSession(),
 				$server->getAppManager(),
 				$server->query(ProxyMapper::class),
-				\OC::$server->getConfig()
+				$server->getConfig()
 			);
 		});
 
-		$container->registerService(IVersionManager::class, function (IAppContainer $c) {
+		$context->registerService(IVersionManager::class, function (IAppContainer $c) {
 			return new VersionManager();
 		});
 
-		$this->registerVersionBackends();
-
 		/**
 		 * Register Events
 		 */
-		$this->registerEvents($dispatcher);
+		$context->registerEventListener(LoadAdditionalScriptsEvent::class, LoadAdditionalListener::class);
+		$context->registerEventListener(LoadSidebar::class, LoadSidebarListener::class);
+	}
+
+	public function boot(IBootContext $context): void {
+		$context->injectFn(\Closure::fromCallable([$this, 'registerVersionBackends']));
 
 		/**
 		 * Register hooks
@@ -92,19 +96,17 @@ class Application extends App {
 		Hooks::connectHooks();
 	}
 
-	public function registerVersionBackends() {
-		$server = $this->getContainer()->getServer();
-		$appManager = $server->getAppManager();
+	public function registerVersionBackends(IServerContainer $server, IAppManager $appManager, ILogger $logger) {
 		foreach ($appManager->getInstalledApps() as $app) {
 			$appInfo = $appManager->getAppInfo($app);
 			if (isset($appInfo['versions'])) {
 				$backends = $appInfo['versions'];
 				foreach ($backends as $backend) {
 					if (isset($backend['@value'])) {
-						$this->loadBackend($backend);
+						$this->loadBackend($backend, $server, $logger);
 					} else {
 						foreach ($backend as $singleBackend) {
-							$this->loadBackend($singleBackend);
+							$this->loadBackend($singleBackend, $server, $logger);
 						}
 					}
 				}
@@ -112,11 +114,9 @@ class Application extends App {
 		}
 	}
 
-	private function loadBackend(array $backend) {
-		$server = $this->getContainer()->getServer();
-		$logger = $server->getLogger();
+	private function loadBackend(array $backend, IServerContainer $server, ILogger $logger) {
 		/** @var IVersionManager $versionManager */
-		$versionManager = $this->getContainer()->getServer()->query(IVersionManager::class);
+		$versionManager = $server->query(IVersionManager::class);
 		$class = $backend['@value'];
 		$for = $backend['@attributes']['for'];
 		try {
@@ -126,9 +126,4 @@ class Application extends App {
 			$logger->logException($e);
 		}
 	}
-
-	protected function registerEvents(IEventDispatcher $dispatcher) {
-		$dispatcher->addServiceListener(LoadAdditionalScriptsEvent::class, LoadAdditionalListener::class);
-		$dispatcher->addServiceListener(LoadSidebar::class, LoadSidebarListener::class);
-	}
 }
diff --git a/apps/files_versions/tests/VersioningTest.php b/apps/files_versions/tests/VersioningTest.php
index b146e51c40..683fc078a2 100644
--- a/apps/files_versions/tests/VersioningTest.php
+++ b/apps/files_versions/tests/VersioningTest.php
@@ -35,8 +35,6 @@
 
 namespace OCA\Files_Versions\Tests;
 
-require_once __DIR__ . '/../appinfo/app.php';
-
 use OC\Files\Storage\Temporary;
 use OCP\IConfig;
 use OCP\IUser;