diff --git a/docs/source/conf.py b/docs/source/conf.py
index c17eee4..5740286 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -37,9 +37,6 @@ extensions = [
     'sphinx.ext.intersphinx',
     'sphinx.ext.mathjax',
     'sphinx.ext.viewcode',
-    'IPython.sphinxext.ipython_directive',
-    'IPython.sphinxext.ipython_console_highlighting',
-    'matplotlib.sphinxext.plot_directive',
     'numpydoc',
     'sphinx_copybutton',
 ]