diff --git a/public/src/modules/helpers.js b/public/src/modules/helpers.js
index b0f48d6f15..7d79265b84 100644
--- a/public/src/modules/helpers.js
+++ b/public/src/modules/helpers.js
@@ -102,10 +102,6 @@
 			style.push('unread');
 		}
 
-		if (topic.extraClass) {
-			style.push(topic.extraClass);
-		}
-
 		return style.join(' ');
 	};