--- a/layout/xul/test/test_bug381167.xhtml
+++ b/layout/xul/test/test_bug381167.xhtml
@@ -21,21 +21,16 @@ https://bugzilla.mozilla.org/show_bug.cg
 </xul:tree>
 <pre id="test">
 <script type="application/javascript">
 
 /** Test for Bug 381167 **/
 
 SimpleTest.waitForExplicitFinish();
 
-if (SpecialPowers.DOMWindowUtils.isStyledByServo) {
-  // Stylo currently asserts for any XUL bits.
-  SimpleTest.expectAssertions(3, 3);
-}
-
 function closeit() {
   var evt = document.createEvent('KeyboardEvent');
                                  evt.initKeyEvent('keypress', true, true,
                                  window,
                                  true, false, false, false,
                                  'W'.charCodeAt(0), 0);
   window.dispatchEvent(evt);