The Maven unused classes plugin is used to report any unused project classes.
'net.sf.mgp:maven-unclasses-plugin:0.0.2'
<dependency>
<groupId>net.sf.mgp</groupId>
<artifactId>maven-unclasses-plugin</artifactId>
<version>0.0.2</version>
</dependency>
<dependency org="net.sf.mgp" name="maven-unclasses-plugin" rev="0.0.2"/>
"net.sf.mgp", "maven-unclasses-plugin", "0.0.2"