diff --git a/docs/source/conf.py b/docs/source/conf.py
index 0292503d087ad440dcf6376f351e6595140b8682..5c865886a6cfa26540d53d5f9ade7d4fa1314637 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -62,12 +62,6 @@ sys.path.append(os.path.abspath("../pycalibration/"))
 p = Popen(["./makeAllDocs.sh"])
 p.communicate()
 
-import mock
-autodoc_mock_imports = ['Cython']
-
-MOCK_MODULES = ['numpy', 'matplotlib', 'matplotlib.pyplot','Cython']
-for mod_name in MOCK_MODULES:
-    sys.modules[mod_name] = mock.Mock()
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']