diff --git a/litepcie/gen.py b/litepcie/gen.py
index 6ba1ad3..60aed6d 100755
--- a/litepcie/gen.py
+++ b/litepcie/gen.py
@@ -34,7 +34,6 @@
 from migen.genlib.resetsync import AsyncResetSynchronizer
 
 from litex.gen import *
-from litex.gen.genlib.misc import WaitTimer
 
 from litex.soc.cores.clock import *
 from litex.soc.interconnect.csr import *