diff --git a/src/gateware/ddmtd.py b/src/gateware/ddmtd.py
index 3e49ba3..5084c8e 100644
--- a/src/gateware/ddmtd.py
+++ b/src/gateware/ddmtd.py
@@ -1,6 +1,5 @@
 from migen import *
 from migen.genlib.cdc import PulseSynchronizer, MultiReg
-from migen.genlib.fsm import FSM
 from misoc.interconnect.csr import *