diff --git a/plugins/calendar/calendar.php b/plugins/calendar/calendar.php
index 08308168..3939ec2c 100644
--- a/plugins/calendar/calendar.php
+++ b/plugins/calendar/calendar.php
@@ -418,7 +418,7 @@ class calendar extends rcube_plugin
         $reload = true;
         break;
       case "remove":
-        $success = $this->driver->remove_event($event);
+        $removed = $this->driver->remove_event($event);
         $reload = true;
         break;
       case "dismiss":
@@ -429,11 +429,13 @@ class calendar extends rcube_plugin
     
     if ($success)
       $this->rc->output->show_message('successfullysaved', 'confirmation');
+	else if ($removed)
+	  $this->rc->output->show_message('calendar.successremoval', 'confirmation');
     else
       $this->rc->output->show_message('calendar.errorsaving', 'error');
 
     // FIXME: update a single event object on the client instead of reloading the entire source
-    if ($success && $reload)
+    if ($success && $reload or ($removed && $reload))
       $this->rc->output->command('plugin.reload_calendar', array('source' => $event['calendar']));
   }
   
diff --git a/plugins/calendar/drivers/kolab/kolab_driver.php b/plugins/calendar/drivers/kolab/kolab_driver.php
index 3a54c455..3e9a1869 100644
--- a/plugins/calendar/drivers/kolab/kolab_driver.php
+++ b/plugins/calendar/drivers/kolab/kolab_driver.php
@@ -209,9 +209,8 @@ class kolab_driver extends calendar_driver
   public function remove_event($event)
   {
   	if (($storage = $this->_get_storage($event['calendar'])) && ($ev = $storage->get_event($event['id'])))
-      $rt = $storage->delete_event($event + $ev);
-	     if($rt==true)
-	        $this->rc->output->show_message('calendar.successremoval', 'success'); return $rt;
+      return $storage->delete_event($event);
+	     
     return false;
   }