diff --git a/lib/ACL/ACLStorageWrapper.php b/lib/ACL/ACLStorageWrapper.php
index 441f06373..c862a2019 100644
--- a/lib/ACL/ACLStorageWrapper.php
+++ b/lib/ACL/ACLStorageWrapper.php
@@ -300,11 +300,8 @@ public function getDirectDownload($path): array|false {
 		return parent::getDirectDownload($path);
 	}
 
-	public function getDirectoryContent($directory): \Traversable|false {
+	public function getDirectoryContent($directory): \Traversable {
 		$content = $this->getWrapperStorage()->getDirectoryContent($directory);
-		if ($content === false) {
-			return false;
-		}
 		foreach ($content as $data) {
 			$data['scan_permissions'] ??= $data['permissions'];
 			$data['permissions'] &= $this->getACLPermissionsForPath(rtrim($directory, '/') . '/' . $data['name']);
diff --git a/tests/stubs/oc_files_node_lazyfolder.php b/tests/stubs/oc_files_node_lazyfolder.php
index 521bc9a9c..b35dd5221 100644
--- a/tests/stubs/oc_files_node_lazyfolder.php
+++ b/tests/stubs/oc_files_node_lazyfolder.php
@@ -127,9 +127,6 @@ public function unMount($mount)
  {
  }
 
-	/**
-	 * @inheritDoc
-	 */
 	public function get($path)
  {
  }
@@ -362,9 +359,6 @@ public function getDirectoryListing()
  {
  }
 
-	/**
-	 * @inheritDoc
-	 */
 	public function nodeExists($path)
  {
  }
diff --git a/tests/stubs/oc_files_objectstore_objectstorestorage.php b/tests/stubs/oc_files_objectstore_objectstorestorage.php
index e9c888a7e..4ccd00c56 100644
--- a/tests/stubs/oc_files_objectstore_objectstorestorage.php
+++ b/tests/stubs/oc_files_objectstore_objectstorestorage.php
@@ -171,5 +171,9 @@ public function completeChunkedWrite(string $targetPath, string $writeToken): in
 
 	public function cancelChunkedWrite(string $targetPath, string $writeToken): void
  {
+ }
+
+	public function setPreserveCacheOnDelete(bool $preserve)
+ {
  }
 }
diff --git a/tests/stubs/oc_files_storage_common.php b/tests/stubs/oc_files_storage_common.php
index c4cefe6d2..8b542e308 100644
--- a/tests/stubs/oc_files_storage_common.php
+++ b/tests/stubs/oc_files_storage_common.php
@@ -15,6 +15,7 @@
 use OC\Files\Cache\Watcher;
 use OC\Files\FilenameValidator;
 use OC\Files\Filesystem;
+use OC\Files\ObjectStore\ObjectStoreStorage;
 use OC\Files\Storage\Wrapper\Jail;
 use OC\Files\Storage\Wrapper\Wrapper;
 use OCP\Files\Cache\ICache;
@@ -319,7 +320,7 @@ public function writeStream(string $path, $stream, ?int $size = null): int
  {
  }
 
-	public function getDirectoryContent($directory): \Traversable|false
+	public function getDirectoryContent($directory): \Traversable
  {
  }
 }
diff --git a/tests/stubs/oc_files_storage_storage.php b/tests/stubs/oc_files_storage_storage.php
index 0c4dde003..c5f0929d4 100644
--- a/tests/stubs/oc_files_storage_storage.php
+++ b/tests/stubs/oc_files_storage_storage.php
@@ -86,7 +86,7 @@ public function getMetaData($path): ?array
 	 * - storage_mtime
 	 * - permissions
 	 */
-	public function getDirectoryContent($directory): \Traversable|false
+	public function getDirectoryContent($directory): \Traversable
  {
  }
 }
diff --git a/tests/stubs/oc_files_storage_wrapper_jail.php b/tests/stubs/oc_files_storage_wrapper_jail.php
index 79e093556..4ba274ed5 100644
--- a/tests/stubs/oc_files_storage_wrapper_jail.php
+++ b/tests/stubs/oc_files_storage_wrapper_jail.php
@@ -228,7 +228,7 @@ public function writeStream(string $path, $stream, ?int $size = null): int
  {
  }
 
-	public function getDirectoryContent($directory): \Traversable|false
+	public function getDirectoryContent($directory): \Traversable
  {
  }
 }
diff --git a/tests/stubs/oc_files_storage_wrapper_wrapper.php b/tests/stubs/oc_files_storage_wrapper_wrapper.php
index 22ddd1830..9f5f79038 100644
--- a/tests/stubs/oc_files_storage_wrapper_wrapper.php
+++ b/tests/stubs/oc_files_storage_wrapper_wrapper.php
@@ -272,7 +272,7 @@ public function writeStream(string $path, $stream, ?int $size = null): int
  {
  }
 
-	public function getDirectoryContent($directory): \Traversable|false
+	public function getDirectoryContent($directory): \Traversable
  {
  }