diff --git a/hosts/vm/nextcloud/nextcloud.nix b/hosts/vm/nextcloud/nextcloud.nix
index cdd7911..82fc13d 100644
--- a/hosts/vm/nextcloud/nextcloud.nix
+++ b/hosts/vm/nextcloud/nextcloud.nix
@@ -53,6 +53,9 @@
       mail_from_address = "root";
       mail_smtphost = "smtp.crans.org";
       mail_smtpport = 25;
+
+      # Remove deleted files when needed for quotas or after 30 days
+      trashbin_retention_obligation = "auto, 30";
     };
 
     appstoreEnable = true;