diff --git a/apps/files_sharing/tests/SharedStorageTest.php b/apps/files_sharing/tests/SharedStorageTest.php
index fb8207a3c1d0fa468d5fde9e204d72df6c6a29e5..e3e57cc73a43cf9c7e63270f873de1f2e6167b55 100644
--- a/apps/files_sharing/tests/SharedStorageTest.php
+++ b/apps/files_sharing/tests/SharedStorageTest.php
@@ -31,6 +31,8 @@ namespace OCA\Files_Sharing\Tests;
 
 use OC\Files\View;
 use OCA\Files_Sharing\SharedStorage;
+use OCA\Files_Trashbin\AppInfo\Application;
+use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\Files\NotFoundException;
 use OCP\Share\IShare;
 
@@ -42,7 +44,9 @@ use OCP\Share\IShare;
 class SharedStorageTest extends TestCase {
 	protected function setUp(): void {
 		parent::setUp();
-		\OCA\Files_Trashbin\Trashbin::registerHooks();
+		// register trashbin hooks
+		$trashbinApp = new Application();
+		$trashbinApp->boot($this->createMock(IBootContext::class));
 		$this->folder = '/folder_share_storage_test';
 
 		$this->filename = '/share-api-storage.txt';
diff --git a/apps/files_sharing/tests/UpdaterTest.php b/apps/files_sharing/tests/UpdaterTest.php
index 30efbac533dd3c26ef0c5cc70d26f494e69affce..344c08bea48bdc1ab9684c411fd778a51fb5af38 100644
--- a/apps/files_sharing/tests/UpdaterTest.php
+++ b/apps/files_sharing/tests/UpdaterTest.php
@@ -31,6 +31,8 @@
 
 namespace OCA\Files_Sharing\Tests;
 
+use OCA\Files_Trashbin\AppInfo\Application;
+use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\Share\IShare;
 
 /**
@@ -77,8 +79,9 @@ class UpdaterTest extends TestCase {
 		$status = \OC::$server->getAppManager()->isEnabledForUser('files_trashbin');
 		(new \OC_App())->enable('files_trashbin');
 
-
-		\OCA\Files_Trashbin\Trashbin::registerHooks();
+		// register trashbin hooks
+		$trashbinApp = new Application();
+		$trashbinApp->boot($this->createMock(IBootContext::class));
 
 		$fileinfo = \OC\Files\Filesystem::getFileInfo($this->folder);
 		$this->assertTrue($fileinfo instanceof \OC\Files\FileInfo);
diff --git a/apps/files_trashbin/appinfo/app.php b/apps/files_trashbin/appinfo/app.php
deleted file mode 100644
index 83f8defccbd2e205616c363d3c6d919c6ed60d18..0000000000000000000000000000000000000000
--- a/apps/files_trashbin/appinfo/app.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christopher Schäpers <kondou@ts.unde.re>
- * @author Florin Peter <github@florin-peter.de>
- * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Victor Dubiniuk <dubiniuk@owncloud.com>
- * @author Vincent Petry <pvince81@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/>
- *
- */
-
-// register hooks
-\OCA\Files_Trashbin\Trashbin::registerHooks();
-
-\OCA\Files\App::getNavigationManager()->add(function () {
-	$l = \OC::$server->getL10N('files_trashbin');
-	return [
-		'id' => 'trashbin',
-		'appname' => 'files_trashbin',
-		'script' => 'list.php',
-		'order' => 50,
-		'name' => $l->t('Deleted files'),
-		'classes' => 'pinned',
-	];
-});
diff --git a/apps/files_trashbin/lib/AppInfo/Application.php b/apps/files_trashbin/lib/AppInfo/Application.php
index d9f52d21a612213d0a2904d7f0e4aaf6d68d583d..ed78709a5d65bcea2dd28db9b1d3811b42cd8163 100644
--- a/apps/files_trashbin/lib/AppInfo/Application.php
+++ b/apps/files_trashbin/lib/AppInfo/Application.php
@@ -27,57 +27,59 @@
 
 namespace OCA\Files_Trashbin\AppInfo;
 
-use OCA\DAV\CalDAV\Proxy\ProxyMapper;
 use OCA\DAV\Connector\Sabre\Principal;
 use OCA\Files_Trashbin\Capabilities;
 use OCA\Files_Trashbin\Expiration;
 use OCA\Files_Trashbin\Trash\ITrashManager;
 use OCA\Files_Trashbin\Trash\TrashManager;
+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\ILogger;
+use OCP\IServerContainer;
 
-class Application extends App {
+class Application extends App implements IBootstrap {
 	public function __construct(array $urlParams = []) {
 		parent::__construct('files_trashbin', $urlParams);
+	}
 
-		$container = $this->getContainer();
-		/*
-		 * Register capabilities
-		 */
-		$container->registerCapability(Capabilities::class);
+	public function register(IRegistrationContext $context): void {
+		$context->registerCapability(Capabilities::class);
 
-		/*
-		 * Register expiration
-		 */
-		$container->registerAlias('Expiration', Expiration::class);
+		$context->registerServiceAlias('Expiration', Expiration::class);
+		$context->registerServiceAlias(ITrashManager::class, TrashManager::class);
+		/** Register $principalBackend for the DAV collection */
+		$context->registerServiceAlias('principalBackend', Principal::class);
+	}
 
-		/*
-		 * Register $principalBackend for the DAV collection
-		 */
-		$container->registerService('principalBackend', function () {
-			return new Principal(
-				\OC::$server->getUserManager(),
-				\OC::$server->getGroupManager(),
-				\OC::$server->getShareManager(),
-				\OC::$server->getUserSession(),
-				\OC::$server->getAppManager(),
-				\OC::$server->query(ProxyMapper::class),
-				\OC::$server->getConfig()
-			);
-		});
+	public function boot(IBootContext $context): void {
+		$context->injectFn([$this, 'registerTrashBackends']);
 
-		$container->registerService(ITrashManager::class, function () {
-			return new TrashManager();
-		});
+		// create storage wrapper on setup
+		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', 'OCA\Files_Trashbin\Storage', 'setupStorage');
+		//Listen to delete user signal
+		\OCP\Util::connectHook('OC_User', 'pre_deleteUser', 'OCA\Files_Trashbin\Hooks', 'deleteUser_hook');
+		//Listen to post write hook
+		\OCP\Util::connectHook('OC_Filesystem', 'post_write', 'OCA\Files_Trashbin\Hooks', 'post_write_hook');
+		// pre and post-rename, disable trash logic for the copy+unlink case
+		\OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Trashbin\Trashbin', 'ensureFileScannedHook');
 
-		$this->registerTrashBackends();
+		\OCA\Files\App::getNavigationManager()->add(function () {
+			$l = \OC::$server->getL10N('files_trashbin');
+			return [
+				'id' => 'trashbin',
+				'appname' => 'files_trashbin',
+				'script' => 'list.php',
+				'order' => 50,
+				'name' => $l->t('Deleted files'),
+				'classes' => 'pinned',
+			];
+		});
 	}
 
-	public function registerTrashBackends() {
-		$server = $this->getContainer()->getServer();
-		$logger = $server->getLogger();
-		$appManager = $server->getAppManager();
-		/** @var ITrashManager $trashManager */
-		$trashManager = $this->getContainer()->getServer()->query(ITrashManager::class);
+	public function registerTrashBackends(IServerContainer $serverContainer, ILogger $logger, IAppManager $appManager, ITrashManager $trashManager) {
 		foreach ($appManager->getInstalledApps() as $app) {
 			$appInfo = $appManager->getAppInfo($app);
 			if (isset($appInfo['trash'])) {
@@ -87,7 +89,7 @@ class Application extends App {
 					$for = $backend['@attributes']['for'];
 
 					try {
-						$backendObject = $server->query($class);
+						$backendObject = $serverContainer->query($class);
 						$trashManager->registerBackend($for, $backendObject);
 					} catch (\Exception $e) {
 						$logger->logException($e);
diff --git a/apps/files_trashbin/lib/Trashbin.php b/apps/files_trashbin/lib/Trashbin.php
index db6fa35e85c519619623f1ca4d5046e5b0552c4f..1e22349f2bb29c5d6fd91af22fa07f4b0a909552 100644
--- a/apps/files_trashbin/lib/Trashbin.php
+++ b/apps/files_trashbin/lib/Trashbin.php
@@ -1020,20 +1020,6 @@ class Trashbin {
 		return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
 	}
 
-	/**
-	 * register hooks
-	 */
-	public static function registerHooks() {
-		// create storage wrapper on setup
-		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', 'OCA\Files_Trashbin\Storage', 'setupStorage');
-		//Listen to delete user signal
-		\OCP\Util::connectHook('OC_User', 'pre_deleteUser', 'OCA\Files_Trashbin\Hooks', 'deleteUser_hook');
-		//Listen to post write hook
-		\OCP\Util::connectHook('OC_Filesystem', 'post_write', 'OCA\Files_Trashbin\Hooks', 'post_write_hook');
-		// pre and post-rename, disable trash logic for the copy+unlink case
-		\OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Trashbin\Trashbin', 'ensureFileScannedHook');
-	}
-
 	/**
 	 * check if trash bin is empty for a given user
 	 *
diff --git a/apps/files_trashbin/tests/StorageTest.php b/apps/files_trashbin/tests/StorageTest.php
index 2efdf1b8958d371f1967e6e745526f01e55ee24e..36628cb08b9e6f0bcb1c0ff971d9daf8ac6ff883 100644
--- a/apps/files_trashbin/tests/StorageTest.php
+++ b/apps/files_trashbin/tests/StorageTest.php
@@ -34,9 +34,11 @@ namespace OCA\Files_Trashbin\Tests;
 
 use OC\Files\Filesystem;
 use OC\Files\Storage\Temporary;
+use OCA\Files_Trashbin\AppInfo\Application;
 use OCA\Files_Trashbin\Events\MoveToTrashEvent;
 use OCA\Files_Trashbin\Storage;
 use OCA\Files_Trashbin\Trash\ITrashManager;
+use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\Cache\ICache;
 use OCP\Files\Folder;
@@ -75,7 +77,9 @@ class StorageTest extends \Test\TestCase {
 		parent::setUp();
 
 		\OC_Hook::clear();
-		\OCA\Files_Trashbin\Trashbin::registerHooks();
+		// register trashbin hooks
+		$trashbinApp = new Application();
+		$trashbinApp->boot($this->createMock(IBootContext::class));
 
 		$this->user = $this->getUniqueId('user');
 		\OC::$server->getUserManager()->createUser($this->user, $this->user);
diff --git a/apps/files_trashbin/tests/TrashbinTest.php b/apps/files_trashbin/tests/TrashbinTest.php
index 7dfa93bb0445e83f3d76bed2634ade4fb106be0f..96a76e1e2fe8484d2c87bfdf16d8c869dbf391b1 100644
--- a/apps/files_trashbin/tests/TrashbinTest.php
+++ b/apps/files_trashbin/tests/TrashbinTest.php
@@ -30,6 +30,9 @@
  */
 
 use OCA\Files_Sharing\AppInfo\Application;
+use OCA\Files_Trashbin\AppInfo\Application as TrashbinApplication;
+use OC\AppFramework\Bootstrap\BootContext;
+use OC\AppFramework\DependencyInjection\DIContainer;
 use OCP\Share\IShare;
 
 /**
@@ -83,8 +86,9 @@ class TrashbinTest extends \Test\TestCase {
 		$expiration = \OC::$server->query(\OCA\Files_Trashbin\Expiration::class);
 		$expiration->setRetentionObligation('auto, 2');
 
-		// register hooks
-		\OCA\Files_Trashbin\Trashbin::registerHooks();
+		// register trashbin hooks
+		$trashbinApp = new TrashbinApplication();
+		$trashbinApp->boot(new BootContext(new DIContainer('', [], \OC::$server)));
 
 		// create test user
 		self::loginHelper(self::TEST_TRASHBIN_USER2, true);