diff --git a/skins/Timeless/resources/screen-common.less b/skins/Timeless/resources/screen-common.less
index cb564786..736cc8ec 100644
--- a/skins/Timeless/resources/screen-common.less
+++ b/skins/Timeless/resources/screen-common.less
@@ -195,9 +195,6 @@ button span.oo-ui-labelElement-label {
 		-webkit-mask-repeat: no-repeat;
 		-webkit-mask-position: center;
 	}
-	#sidebar-button:hover {
-		background-color: @base90;
-	}
 	
 	a {
 		color: #ddd;