diff --git a/app/static/css/edt.css b/app/static/css/edt.css
index 4644be999..9ec3cfc48 100644
--- a/app/static/css/edt.css
+++ b/app/static/css/edt.css
@@ -67,7 +67,7 @@ span.ens-non-reconnu {
 
 
 #cal_warning {
-  display: inline-block;
+  display: none;
   color: red;
   background-color: yellow;
   font-size: 120%;