diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 94c35c300..6f947cb58 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -66,12 +66,7 @@ Verification
 
 While running the notebook, select one of your notebook files (the file will have the extension ``.ipynb``).
 In the top tab you will click on "Help" and then click on "About". In the pop window you will see information about the version of Jupyter that you are running. You will see "The version of the notebook server is:".
-If you are working in development mode, you will see that your version of Jupyter notebook will include the word "dev".
-
-.. image:: ./docs/source/_static/images/jupyter-verification.png
-   :width: 40pt
-
-If it does not include the word "dev", you are currently not working in development mode and should follow the steps below to uninstall and reinstall Jupyter.
+If you are working in development mode, you will see that your version of Jupyter notebook will include the word "dev". If it does not include the word "dev", you are currently not working in development mode and should follow the steps below to uninstall and reinstall Jupyter.
 
 Troubleshooting the Installation
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/docs/doc-requirements.txt b/docs/doc-requirements.txt
index bb439ddcf..8a5a7a27f 100644
--- a/docs/doc-requirements.txt
+++ b/docs/doc-requirements.txt
@@ -1,5 +1,5 @@
 sphinx>=1.3.6
 sphinx-rtd-theme
-nbsphinx
+nbsphinx==0.8.6
 sphinxcontrib_github_alt
 myst_parser
diff --git a/docs/environment.yml b/docs/environment.yml
index 52ef4df58..834bad06d 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -14,7 +14,7 @@ dependencies:
 - terminado
 - myst-parser
 - pip:
-  - nbsphinx
+  - nbsphinx==0.8.6
   - Send2Trash
   - prometheus_client
   - sphinxcontrib_github_alt
diff --git a/docs/source/_static/images/jupyter-verification.png b/docs/source/_static/images/jupyter-verification.png
deleted file mode 100644
index da816450e..000000000
Binary files a/docs/source/_static/images/jupyter-verification.png and /dev/null differ
diff --git a/docs/source/examples/Notebook/header.md b/docs/source/examples/Notebook/header.md
deleted file mode 100644
index 15d8df39d..000000000
--- a/docs/source/examples/Notebook/header.md
+++ /dev/null
@@ -1,4 +0,0 @@
-# Notebook Examples
-
-The pages in this section are all converted notebook files. You can also
-[view these notebooks on nbviewer](http://nbviewer.jupyter.org/github/jupyter/notebook/tree/master/)