diff --git a/milkymist/lasmicon/bankmachine.py b/milkymist/lasmicon/bankmachine.py
index 1bc5676dc..536e77927 100644
--- a/milkymist/lasmicon/bankmachine.py
+++ b/milkymist/lasmicon/bankmachine.py
@@ -1,5 +1,4 @@
 from migen.fhdl.std import *
-from migen.bus.asmibus import *
 from migen.genlib.roundrobin import *
 from migen.genlib.fsm import FSM, NextState
 from migen.genlib.misc import optree