classpath = classpath.plus(pluginModule.getClasspath());
        }
        return removeJaxbIfIncludedInCurrentJdk(classpath);
    }

    private ClassPath removeJaxbIfIncludedInCurrentJdk(ClassPath classpath) {
        if (!javaVersion.isJava9Compatible()) {
            return classpath.removeIf(new Spec<File>() {
                @Override