--- a/js/src/tests/js1_8_5/extensions/shell.js
+++ b/js/src/tests/js1_8_5/extensions/shell.js
@@ -5,23 +5,16 @@
  */
 
 
 // The Worker constructor can take a relative URL, but different test runners
 // run in different enough environments that it doesn't all just automatically
 // work. For the shell, we use just a filename; for the browser, see browser.js.
 var workerDir = '';
 
-// explicitly turn on js185
-// XXX: The browser currently only supports up to version 1.8
-if (typeof version != 'undefined')
-{
-  version(185);
-}
-
 // Assert that cloning b does the right thing as far as we can tell.
 // Caveat: getters in b must produce the same value each time they're
 // called. We may call them several times.
 //
 // If desc is provided, then the very first thing we do to b is clone it.
 // (The self-modifying object test counts on this.)
 //
 function clone_object_check(b, desc) {