diff --git a/res/css/structures/_UserMenu.scss b/res/css/structures/_UserMenu.scss
index 6cb9aa0bf3..9d6648cd30 100644
--- a/res/css/structures/_UserMenu.scss
+++ b/res/css/structures/_UserMenu.scss
@@ -35,7 +35,7 @@ limitations under the License.
         // we cheat opacity on the theme colour with an after selector here
         &::after {
             content: '';
-            border-bottom: 1px solid $primary-content; // XXX: Variable abuse
+            border-bottom: 1px solid $primary-content;
             opacity: 0.2;
             display: block;
             padding-top: 8px;