diff --git a/openstack_dashboard/themes/default/bootstrap/components/_navbar.scss b/openstack_dashboard/themes/default/bootstrap/components/_navbar.scss
index a04c55583c..f040b2c0d8 100644
--- a/openstack_dashboard/themes/default/bootstrap/components/_navbar.scss
+++ b/openstack_dashboard/themes/default/bootstrap/components/_navbar.scss
@@ -11,6 +11,13 @@
   // Pushes the menu slightly down from the navbar
   li > .dropdown-menu {
     margin-top: 2px;
+
+    @media (max-width: $screen-sm) {
+      &:after,
+      &:before {
+        border: none;
+      }
+    }
   }
 }