diff --git a/libvirt/compute.xml b/libvirt/compute.xml
index 85474c0..19e052a 100644
--- a/libvirt/compute.xml
+++ b/libvirt/compute.xml
@@ -32,34 +32,18 @@
       <backingStore/>
       <target dev='sda' bus='sata'/>
       <boot order='1'/>
-      <alias name='sata0-0-0'/>
-      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
     </disk>
     <disk type='file' device='disk'>
       <driver name='qemu' type='qcow2'/>
       <source file='DISK1'/>
       <backingStore/>
       <target dev='sdb' bus='sata'/>
-      <alias name='sata0-0-1'/>
-      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
     </disk>
-    <controller type='usb' index='0'>
-      <alias name='usb'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
-    </controller>
-    <controller type='pci' index='0' model='pci-root'>
-      <alias name='pci.0'/>
-    </controller>
-    <controller type='sata' index='0'>
-      <alias name='sata0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
-    </controller>
     <interface type='bridge'>
       <source bridge='%BR1%'/>
       <target dev='vnet8'/>
       <model type='e1000'/>
       <alias name='net0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR2%'/>
@@ -67,21 +51,18 @@
       <model type='e1000'/>
       <boot order='2'/>
       <alias name='net1'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR3%'/>
       <target dev='vnet10'/>
       <model type='virtio'/>
       <alias name='net2'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR4%'/>
       <target dev='vnet11'/>
       <model type='virtio'/>
       <alias name='net3'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
     </interface>
     <serial type='pty'>
       <source path='/dev/pts/12'/>
@@ -101,11 +82,9 @@
     <video>
       <model type='cirrus' vram='16384' heads='1'/>
       <alias name='video0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
     </video>
     <memballoon model='virtio'>
       <alias name='balloon0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </memballoon>
   </devices>
   <seclabel type='dynamic' model='apparmor' relabel='yes'>
diff --git a/libvirt/controller.xml b/libvirt/controller.xml
index 1c786ad..ed54d36 100644
--- a/libvirt/controller.xml
+++ b/libvirt/controller.xml
@@ -32,16 +32,12 @@
       <backingStore/>
       <target dev='sda' bus='sata'/>
       <boot order='1'/>
-      <alias name='sata0-0-0'/>
-      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
     </disk>
     <disk type='file' device='disk'>
       <driver name='qemu' type='qcow2'/>
       <source file='DISK1'/>
       <backingStore/>
       <target dev='sdb' bus='sata'/>
-      <alias name='sata0-0-1'/>
-      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
     </disk>
     <disk type='file' device='cdrom'>
       <driver name='qemu' type='raw'/>
@@ -50,26 +46,12 @@
       <target dev='sdc' bus='sata'/>
       <readonly/>
       <boot order='2'/>
-      <alias name='sata0-0-2'/>
-      <address type='drive' controller='0' bus='0' target='0' unit='2'/>
     </disk>
-    <controller type='usb' index='0'>
-      <alias name='usb'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
-    </controller>
-    <controller type='pci' index='0' model='pci-root'>
-      <alias name='pci.0'/>
-    </controller>
-    <controller type='sata' index='0'>
-      <alias name='sata0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
-    </controller>
     <interface type='bridge'>
       <source bridge='%BR1%'/>
       <target dev='vnet0'/>
       <model type='e1000'/>
       <alias name='net0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR2%'/>
@@ -77,21 +59,18 @@
       <model type='e1000'/>
       <boot order='3'/>
       <alias name='net1'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR3%'/>
       <target dev='vnet2'/>
       <model type='virtio'/>
       <alias name='net2'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
     </interface>
     <interface type='bridge'>
       <source bridge='%BR4%'/>
       <target dev='vnet3'/>
       <model type='virtio'/>
       <alias name='net3'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
     </interface>
     <serial type='pty'>
       <source path='/dev/pts/8'/>
@@ -111,11 +90,9 @@
     <video>
       <model type='cirrus' vram='16384' heads='1'/>
       <alias name='video0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
     </video>
     <memballoon model='virtio'>
       <alias name='balloon0'/>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </memballoon>
   </devices>
   <seclabel type='dynamic' model='apparmor' relabel='yes'>