diff --git a/doc/source/conf.py b/doc/source/conf.py
index 9d33a02e1c5666cb2feb4b510d0888e3886a3070..1a77c22a21e4ad32339e80cca94d8b55f55f01ec 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -168,8 +168,6 @@ latex_documents = [
 intersphinx_mapping = {
         'http://docs.python.org/dev': None,
         'http://docs.scipy.org/doc/numpy/': None,
-        'http://documen.tician.de/codepy/': None,
-        'http://documen.tician.de/boostmpi/': None,
         }
 
 autoclass_content = "both"