diff --git a/lib/private/Installer.php b/lib/private/Installer.php
index 1f22224964d..8fbbd0b9bd0 100644
--- a/lib/private/Installer.php
+++ b/lib/private/Installer.php
@@ -43,6 +43,7 @@ class Installer {
 		private ITempManager $tempManager,
 		private LoggerInterface $logger,
 		private IConfig $config,
+		private IAppManager $appManager,
 		private bool $isCLI,
 	) {
 	}
@@ -68,7 +69,7 @@ class Installer {
 		}
 
 		$l = \OCP\Util::getL10N('core');
-		$info = \OCP\Server::get(IAppManager::class)->getAppInfoByPath($basedir . '/appinfo/info.xml', $l->getLanguageCode());
+		$info = $this->appManager->getAppInfoByPath($basedir . '/appinfo/info.xml', $l->getLanguageCode());
 
 		if (!is_array($info)) {
 			throw new \Exception(
@@ -120,7 +121,7 @@ class Installer {
 
 		$config = \OCP\Server::get(IConfig::class);
 		//set the installed version
-		$config->setAppValue($info['id'], 'installed_version', \OCP\Server::get(IAppManager::class)->getAppVersion($info['id'], false));
+		$config->setAppValue($info['id'], 'installed_version', $this->appManager->getAppVersion($info['id'], false));
 		$config->setAppValue($info['id'], 'enabled', 'no');
 
 		//set remote/public handlers
@@ -347,7 +348,7 @@ class Installer {
 					}
 
 					// Check if the version is lower than before
-					$currentVersion = \OCP\Server::get(IAppManager::class)->getAppVersion($appId, true);
+					$currentVersion = $this->appManager->getAppVersion($appId, true);
 					$newVersion = (string)$xml->version;
 					if (version_compare($currentVersion, $newVersion) === 1) {
 						throw new \Exception(
@@ -424,7 +425,7 @@ class Installer {
 
 		foreach ($this->apps as $app) {
 			if ($app['id'] === $appId) {
-				$currentVersion = \OCP\Server::get(IAppManager::class)->getAppVersion($appId, true);
+				$currentVersion = $this->appManager->getAppVersion($appId, true);
 
 				if (!isset($app['releases'][0]['version'])) {
 					return false;
@@ -487,7 +488,7 @@ class Installer {
 	 */
 	public function removeApp(string $appId): bool {
 		if ($this->isDownloaded($appId)) {
-			if (\OCP\Server::get(IAppManager::class)->isShipped($appId)) {
+			if ($this->appManager->isShipped($appId)) {
 				return false;
 			}
 
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 49bda19a738..9ec57247625 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -12,7 +12,6 @@ use NCU\Security\Signature\ISignatureManager;
 use OC\Accounts\AccountManager;
 use OC\App\AppManager;
 use OC\App\AppStore\Bundles\BundleFetcher;
-use OC\App\AppStore\Fetcher\AppFetcher;
 use OC\AppFramework\Bootstrap\Coordinator;
 use OC\AppFramework\Http\Request;
 use OC\AppFramework\Http\RequestId;
@@ -1171,17 +1170,6 @@ class Server extends ServerContainer implements IServerContainer {
 			);
 		});
 
-		$this->registerService(Installer::class, function (ContainerInterface $c) {
-			return new Installer(
-				$c->get(AppFetcher::class),
-				$c->get(IClientService::class),
-				$c->get(ITempManager::class),
-				$c->get(LoggerInterface::class),
-				$c->get(\OCP\IConfig::class),
-				\OC::$CLI
-			);
-		});
-
 		$this->registerService(IApiFactory::class, function (ContainerInterface $c) {
 			return new ApiFactory($c->get(IClientService::class));
 		});