diff --git a/doc/mpl_toolkits/index.rst b/doc/mpl_toolkits/index.rst
index 7614e0993aff..3583fe20ec5b 100644
--- a/doc/mpl_toolkits/index.rst
+++ b/doc/mpl_toolkits/index.rst
@@ -73,102 +73,3 @@ Excel Tools
 ``mpl_toolkits.exceltools`` provides some utilities for working with
 Excel.  This toolkit ships with matplotlib, but requires
 `xlwt <http://pypi.python.org/pypi/xlwt>`_
-
-
-.. _toolkit_natgrid:
-
-Natgrid
-=======
-(*Not distributed with matplotlib*)
-
-mpl_toolkits.natgrid is an interface to natgrid C library for gridding
-irregularly spaced data.  This requires a separate installation of the
-`natgrid toolkit <http://github.com/matplotlib/natgrid>`__.
-
-
-.. _toolkit_matplotlibvenn:
-
-Matplotlib-Venn
-===============
-(*Not distributed with matplotlib*)
-
-`Matplotlib-Venn <https://github.com/konstantint/matplotlib-venn>`_ provides a set of functions for plotting 2- and 3-set area-weighted (or unweighted) Venn diagrams.
-
-mplstereonet
-===============
-(*Not distributed with matplotlib*)
-
-`mplstereonet <https://github.com/joferkington/mplstereonet>`_ provides stereonets for plotting and analyzing orientation data in Matplotlib.
-
-
-.. _hl_plotting:
-
-High-Level Plotting
-*******************
-
-Several projects have started to provide a higher-level interface to
-matplotlib.  These are independent projects.
-
-.. _toolkit_seaborn:
-
-seaborn
-=======
-(*Not distributed with matplotlib*)
-
-`seaborn <https://seaborn.github.io/>`_ is a high level interface for drawing
-statistical graphics with matplotlib. It aims to make visualization a central
-part of exploring and understanding complex datasets.
-
-.. image:: /_static/seaborn.png
-    :height: 157px
-
-.. _toolkit_holoviews:
-
-holoviews
-=========
-(*Not distributed with matplotlib*)
-
-`holoviews <http://holoviews.org>`_ makes it easier to visualize data
-interactively, especially in a `Jupyter notebook
-<http://jupyter.org>`_, by providing a set of declarative
-plotting objects that store your data and associated metadata.  Your
-data is then immediately visualizable alongside or overlaid with other
-data, either statically or with automatically provided widgets for
-parameter exploration.
-
-.. image:: /_static/holoviews.png
-    :height: 354px
-
-.. _toolkit_ggplot:
-
-ggplot
-======
-(*Not distributed with matplotlib*)
-
-`ggplot <https://github.com/yhat/ggplot>`_ is a port of the R ggplot2
-to python based on matplotlib.
-
-.. image:: /_static/ggplot.png
-    :height: 195px
-
-
-.. _toolkit_prettyplotlib:
-
-prettyplotlib
-=============
-(*Not distributed with matplotlib*)
-
-`prettyplotlib <https://olgabot.github.io/prettyplotlib>`_ is an extension
-to matplotlib which changes many of the defaults to make plots some
-consider more attractive.
-
-
-iTerm2 terminal backend
-=======================
-(*Not distributed with matplotlib*)
-
-`matplotlib_iterm2 <https://github.com/oselivanov/matplotlib_iterm2>`_ is an
-external matplotlib backend uses iTerm2 nightly build inline image display
-feature.
-
-.. image:: /_static/matplotlib_iterm2_demo.png
diff --git a/doc/thirdpartypackages/index.rst b/doc/thirdpartypackages/index.rst
index 6f8d56cc20a9..0c81916ca5e9 100644
--- a/doc/thirdpartypackages/index.rst
+++ b/doc/thirdpartypackages/index.rst
@@ -27,10 +27,9 @@ matplotlib plots.
 seaborn
 =======
 
-`seaborn <http://web.stanford.edu/~mwaskom/software/seaborn>`_ is a high
-level interface for drawing statistical graphics with matplotlib. It
-aims to make visualization a central part of exploring and
-understanding complex datasets.
+`seaborn <https://seaborn.github.io/>`_ is a high level interface for drawing
+statistical graphics with matplotlib. It aims to make visualization a central
+part of exploring and understanding complex datasets.
 
 .. image:: /_static/seaborn.png
     :height: 157px