diff --git a/js/tests/visual/tooltip.html b/js/tests/visual/tooltip.html
index 59d17fbb57..c06ac739b0 100644
--- a/js/tests/visual/tooltip.html
+++ b/js/tests/visual/tooltip.html
@@ -12,8 +12,6 @@
         height: 50px;
         border: 1px solid;
         margin-left: 50px;
-        -webkit-transform: rotate(270deg);
-        -ms-transform: rotate(270deg);
         transform: rotate(270deg);
         margin-top: 100px;
       }