Remove ExampleDS datasource in EAP6

To remove the ExampleDS datasource simply remove the relevant part from your standalone.xml:

<datasource jndi-name="java:jboss/datasources/ExampleDS" pool-name="ExampleDS" enabled="true" use-java-context="true">
  <connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE</connection-url>
  <driver>h2</driver>
  <security>
    <user-name>sa</user-name>
    <password>sa</password>
  </security>
</datasource>

Or with cli:

/subsystem=datasources/data-source=ExampleDS:remove