diff --git a/ophyd_devices/sim/__init__.py b/ophyd_devices/sim/__init__.py
index 2f55fdc..0bddf55 100644
--- a/ophyd_devices/sim/__init__.py
+++ b/ophyd_devices/sim/__init__.py
@@ -4,7 +4,7 @@ from .sim_flyer import SimFlyer
 SynFlyer = SimFlyer
 from .sim_frameworks import SlitProxy
 from .sim_monitor import SimMonitor
-from .sim_positioner import SimPositioner
+from .sim_positioner import SimPositioner, SimPositionerWithCommFailure, SimPositionerWithController
 from .sim_signals import ReadOnlySignal, SetableSignal
 from .sim_waveform import SimWaveform
 from .sim_xtreme import SynXtremeOtf