       <source dev="/dev/null"/>
       <target dev="hdc" bus="ide"/>
       <address type="drive" controller="0" bus="1" target="0" unit="0"/>
-    </disk>
-    <disk type="block" device="cdrom">
-      <target dev="sdb" bus="scsi"/>
-      <readonly/>
-      <address type="drive" controller="0" bus="0" target="0" unit="1"/>
     </disk>
     <disk type="file" device="disk">
       <driver name="qemu" type="qcow2" cache="none"/>

Domain 'test-many-devices' defined successfully.
Changes will take effect after the next domain shutdown.