diff --git a/styles/PortableInfoboxEuropaTheme.scss b/styles/PortableInfoboxEuropaTheme.scss
index 9d219e8..80b7066 100644
--- a/styles/PortableInfoboxEuropaTheme.scss
+++ b/styles/PortableInfoboxEuropaTheme.scss
@@ -15,7 +15,6 @@ $horizontal-group-label-spacing: 6px;
 $label-width: 88px;
 $list-item-line-height: 18px;
 $list-item-spacing: 8px;
-$tabber-lightness-condition: 30;
 $tab-font-size: 14px;
 $title-font-size: 20px;
 $title-line-height: 24px;