我可以配置没有数据源的Grails吗?

I have a Grails app that loads its data from xml files and delivers rss feeds via rome. I don't have any domain classes and my app has no datasource. I don't want Grails to load an in memory hsql db when the application has no need for it. Deleting the DataSource.groovy file prevents me from launching the web app, it seems as though the datasource is required, but is there anything I can do if my application doesn't need a datasource?I have a Grails app that loads its data from xm