diff --git a/apps/files_external/lib/Service/StoragesService.php b/apps/files_external/lib/Service/StoragesService.php
index 545c1be0da68e..a9359fcd4985e 100644
--- a/apps/files_external/lib/Service/StoragesService.php
+++ b/apps/files_external/lib/Service/StoragesService.php
@@ -189,8 +189,6 @@ protected function getType(): int {
 	 * @return StorageConfig storage config, with added id
 	 */
 	public function addStorage(StorageConfig $newStorage): StorageConfig {
-		$allStorages = $this->readConfig();
-
 		$configId = $this->dbConfig->addMount(
 			$newStorage->getMountPoint(),
 			$newStorage->getBackend()->getIdentifier(),
@@ -218,9 +216,6 @@ public function addStorage(StorageConfig $newStorage): StorageConfig {
 			$this->dbConfig->addApplicable($configId, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
 		}
 
-		// add new storage
-		$allStorages[$configId] = $newStorage;
-
 		$this->eventDispatcher->dispatchTyped(new StorageCreatedEvent($newStorage));
 		$this->triggerHooks($newStorage, Filesystem::signal_create_mount);