diff --git a/modoboa/static/css/custom.css b/modoboa/static/css/custom.css
index bfc9a0f96..03b4d40fc 100644
--- a/modoboa/static/css/custom.css
+++ b/modoboa/static/css/custom.css
@@ -291,9 +291,6 @@ label{
 
  /* modals */
 
-.modal-body .form-group input[type='checkbox'] {
-     margin: 11px 0 0;
- }
 
  /* settings */