diff --git a/lib/private/Files/Mount/MoveableMount.php b/lib/private/Files/Mount/MoveableMount.php
index 7ebb7fa2c87..a7372153d75 100644
--- a/lib/private/Files/Mount/MoveableMount.php
+++ b/lib/private/Files/Mount/MoveableMount.php
@@ -37,7 +37,6 @@ interface MoveableMount {
 	/**
 	 * Remove the mount points
 	 *
-	 * @return mixed
 	 * @return bool
 	 */
 	public function removeMount();