diff -r eb97a082741b -r a84f511654ae rt/mojo/src/main/java/org/apidesign/bck2brwsr/mojo/AheadOfTime.java
--- a/rt/mojo/src/main/java/org/apidesign/bck2brwsr/mojo/AheadOfTime.java	Wed Jun 25 22:50:33 2014 +0200
+++ b/rt/mojo/src/main/java/org/apidesign/bck2brwsr/mojo/AheadOfTime.java	Thu Jun 26 07:42:54 2014 +0200
@@ -101,9 +101,6 @@
             if ("provided".equals(a.getScope())) {
                 continue;
             }
-            if ("system".equals(a.getScope())) {
-                continue;
-            }
             File aot = new File(prj.getBuild().getDirectory(), classPathPrefix);
             aot.mkdirs();
             File js = new File(aot, n.substring(0, n.length() - 4) + ".js");