diff --git a/openflexure_microscope/__init__.py b/openflexure_microscope/__init__.py
index 87999abd..ad56e205 100644
--- a/openflexure_microscope/__init__.py
+++ b/openflexure_microscope/__init__.py
@@ -1,4 +1,4 @@
-__all__ = ["Microscope", "config", "task", "lock", "utilities"]
+__all__ = ["Microscope", "config", "task", "utilities"]
 __version__ = "0.1.0"
 
 from .microscope import Microscope