diff --git a/relation.admin.inc b/relation.admin.inc
index f12ddc9..3954773 100644
--- a/relation.admin.inc
+++ b/relation.admin.inc
@@ -24,7 +24,11 @@ function relation_type_list() {
       $row[] =  l(t('display fields'), $url . '/display');
     }
     $row[] =  l(t('export'), $url . '/export');
-    $row[] =  l(t('delete'), $url . '/delete');
+    $delete = '';
+    if($relation_type['export_type'] === EXPORT_IN_DATABASE) {
+      $delete =  l(t('delete'), $url . '/delete');
+    }
+    $row[] = $delete;
     $rows[] = $row;
   }
   $output = array(