diff --git a/prototype/UI/style.css b/prototype/UI/style.css
index c2e44f6cd..04c337c69 100644
--- a/prototype/UI/style.css
+++ b/prototype/UI/style.css
@@ -66,13 +66,6 @@ body {
 	color: initial;
 }
 
-	ul.line-numbers {
-		list-style: none;
-		margin: 0;
-		padding: 0;
-		float: left;
-	}
-
 .diff dt {
 	display: none;
 }