diff --git a/examples/pytholite/uio.py b/examples/pytholite/uio.py
index 3718acc2a..8519f7a0a 100644
--- a/examples/pytholite/uio.py
+++ b/examples/pytholite/uio.py
@@ -3,7 +3,7 @@ from migen.flow.transactions import *
 from migen.actorlib.sim import Dumper
 from migen.bus import wishbone
 from migen.bus.transactions import *
-from migen.uio.ioo import UnifiedIOSimulation
+from migen.genlib.ioo import UnifiedIOSimulation
 from migen.pytholite.transel import Register
 from migen.pytholite.compiler import make_pytholite
 from migen.sim.generic import Simulator
diff --git a/migen/uio/ioo.py b/migen/genlib/ioo.py
similarity index 100%
rename from migen/uio/ioo.py
rename to migen/genlib/ioo.py
diff --git a/migen/pytholite/io.py b/migen/pytholite/io.py
index c20cc467a..c89cf7918 100644
--- a/migen/pytholite/io.py
+++ b/migen/pytholite/io.py
@@ -3,7 +3,7 @@ from itertools import zip_longest
 
 from migen.fhdl.structure import *
 from migen.fhdl.specials import Memory
-from migen.uio.ioo import UnifiedIOObject
+from migen.genlib.ioo import UnifiedIOObject
 from migen.flow.actor import Source, Sink
 from migen.flow.transactions import *
 from migen.bus import wishbone
diff --git a/migen/uio/__init__.py b/migen/uio/__init__.py
deleted file mode 100644
index e69de29bb..000000000