Thanks for your quick answer. However, as I need the java ee libraries for compilation I couldn't just remove the corresponding dependency. Instead, I ended up using a java ee dependency provided by jboss:
<dependency>
<groupId>org.jboss.javaee</groupId>
<artifactId>jboss-javaee</artifactId>
<version>5.0.1.GA</version>
</dependency>