diff --git a/web_responsive/static/src/legacy/scss/web_responsive.scss b/web_responsive/static/src/legacy/scss/web_responsive.scss
index 092faba20..ee0101ee9 100644
--- a/web_responsive/static/src/legacy/scss/web_responsive.scss
+++ b/web_responsive/static/src/legacy/scss/web_responsive.scss
@@ -24,12 +24,6 @@ $chatter_zone_width: 35% !important;
         height: 35px;
     }
     .o_calendar_widget {
-        .fc-dayGridMonth-view {
-            .fc-week-number {
-                display: none;
-            }
-        }
-
         .fc-timeGridDay-view {
             .fc-day-header {
                 vertical-align: middle;