diff --git a/qubesdbus/serialize.py b/qubesdbus/serialize.py
index bcd4b7b..209ce38 100644
--- a/qubesdbus/serialize.py
+++ b/qubesdbus/serialize.py
@@ -28,7 +28,6 @@
 import qubesadmin.vm
 from qubesadmin.label import Label
 from qubesadmin.vm import QubesVM
-from qubesadmin.devices import DeviceInfo
 
 DOMAIN_STATE_PROPERTIES = [
     'is_halted',