diff --git a/authorizationdb.php b/authorizationdb.php
index 75e7f13..afa08db 100644
--- a/authorizationdb.php
+++ b/authorizationdb.php
@@ -188,7 +188,7 @@ class authorizationdb extends authorization
     return TRUE; 
   }
 
-  /** Remove the informations about an object
+  /** Remove the informations about an object and all its sub-objects
       @param string $object Object path to drop
       @return TRUE or an exception with the error message */
   public function drop ($object)
@@ -229,6 +229,7 @@ class authorizationdb extends authorization
         throw new Exception (_("Removing more than one object"), 412);
       if ($rc == 0)
         throw new Exception (_("No object removed"), 412);
+      $rc = $this->db->delete ("$object$this->separator%");
       return TRUE;
     }
 
@@ -246,6 +247,7 @@ class authorizationdb extends authorization
       throw new Exception (_("Removing more than one object"), 412);
     if ($rc == 0)
       throw new Exception (_("No object removed"), 412);
+    $rc = $this->db->delete ("$object$this->separator%");
     return TRUE;
   }
 
@@ -361,6 +363,7 @@ class authorizationdb extends authorization
       throw new Exception (sprintf (_("Object %s doesn't exists"), $object),
                            400);
     $search = reset ($search);
+    // TODO : Don't update if the user is not the owner of the file
     $this->db->update ($object, array ("modbits"=>$modbits));
     return TRUE;
   }