diff -r d5d280615f60 -r 0d32bf6b4436 rt/emul/mini/src/main/java/java/lang/Throwable.java
--- a/rt/emul/mini/src/main/java/java/lang/Throwable.java	Thu Jan 09 17:22:41 2014 +0100
+++ b/rt/emul/mini/src/main/java/java/lang/Throwable.java	Sun May 04 12:02:57 2014 +0200
@@ -1025,22 +1025,4 @@
 //        else
 //            return suppressedExceptions.toArray(EMPTY_THROWABLE_ARRAY);
     }
-    
-    private static Object bck2BrwsrCnvrt(Object o) {
-        if (o instanceof Throwable) {
-            return o;
-        }
-        final String msg = msg(o);
-        if (msg == null || msg.startsWith("TypeError")) {
-            return new NullPointerException(msg);
-        }
-        return new Throwable(msg);
-    }
-    
-    @JavaScriptBody(args = { "o" }, body = "return o ? o.toString() : null;")
-    private static native String msg(Object o);
-
-    @JavaScriptOnly(name = "bck2BrwsrCnvrt", value = "c.bck2BrwsrCnvrt__Ljava_lang_Object_2Ljava_lang_Object_2")
-    private static void bck2BrwsrCnvrtVM() {
-    }
 }