diff --git a/conf.py b/conf.py
index a9f5ca2..f8999f4 100644
--- a/conf.py
+++ b/conf.py
@@ -15,7 +15,7 @@
     'sphinx.ext.viewcode',
 ]
 
-autodoc_mock_imports = ["digitalio"]
+autodoc_mock_imports = ["digitalio", "audioio", "pulseio"]
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}