diff --git a/src/usbinstall.py b/src/usbinstall.py
index b053a8d..979dcf4 100755
--- a/src/usbinstall.py
+++ b/src/usbinstall.py
@@ -294,7 +294,6 @@ class set_dbus(dbus.service.Object):
 		return 0
 
 def dbus_start():
-	session_bus = dbus.SystemBus()
 	bus_name = dbus.service.BusName('org.openmamba.usbinstall', bus=dbus.SystemBus())
 	dbus_loop = set_dbus(bus_name)
 	bus = dbus.SystemBus(mainloop=dbus_loop)