diff --git a/frontend/less/espo/misc/fullcalendar/fullcalendar.less b/frontend/less/espo/misc/fullcalendar/fullcalendar.less
index 547aa81a53..249e3cdbd8 100644
--- a/frontend/less/espo/misc/fullcalendar/fullcalendar.less
+++ b/frontend/less/espo/misc/fullcalendar/fullcalendar.less
@@ -95,12 +95,16 @@
     }
 }
 
+.fc-unthemed .fc-time-grid .fc-slats .fc-minor td {
+    //border-top-style: dashed;
+    border-top-style: none;
+}
+
 body .fc-now-indicator-arrow {
     display: none;
 }
 
 body .fc-now-indicator {
-    //border: 0 solid var(--brand-danger);
     opacity: 0.9;
 }