diff --git a/README.md b/README.md
index 3f1c322fcc..97b14850ad 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
-======
 fv3net
 ======
 
@@ -6,4 +5,4 @@ fv3net
 
 Improving the GFDL FV3 model physics with machine learning. See the [documentation](https://vulcanclimatemodeling.com/docs/fv3net/) for more information on using this suite of tools. 
 
-<p><small>Project based on the <a target="_blank" href="https://drivendata.github.io/cookiecutter-data-science/">cookiecutter data science project template</a>. #cookiecutterdatascience</small></p>
+Disclaimer: This is a work in progress.
diff --git a/constraints.txt b/constraints.txt
index 4d1e9ac3c5..9a826e171d 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -11,6 +11,7 @@ altair==4.1.0
 anyio==2.2.0
 apache-beam==2.27.0
 appdirs==1.4.4
+appnope==0.1.2
 argcomplete==1.12.0
 argon2-cffi==20.1.0
 asciitree==0.3.3
@@ -40,14 +41,11 @@ cloudpickle==1.6.0
 colorcet==2.0.6
 commonmark==0.9.1
 conda-lock==0.4.1
-contextvars==2.4
 coverage==5.2.1
 crcmod==1.7
-cryptography==3.4.6
 cycler==0.10.0
 dacite==1.6.0
 dask==2.22.0
-dataclasses==0.8
 decorator==4.4.2
 defusedxml==0.6.0
 dill==0.3.1.1
@@ -95,13 +93,10 @@ hdfs==2.5.8
 holoviews==1.14.1
 html5lib==1.1
 httplib2==0.17.4
-idna-ssl==1.1.0
 idna==2.9
 imageio==2.9.0
 imagesize==1.2.0
-immutables==0.15
 importlib-metadata==1.1.3
-importlib-resources==5.1.1
 iniconfig==1.0.1
 intake-xarray==0.3.1
 intake==0.6.0
@@ -109,7 +104,6 @@ ipykernel==5.5.0
 ipython-genutils==0.2.0
 ipython==7.16.1
 jedi==0.18.0
-jeepney==0.6.0
 jinja2==2.11.2
 joblib==0.16.0
 json5==0.9.5
@@ -149,7 +143,6 @@ nc-time-axis==1.2.0
 nest-asyncio==1.5.1
 netcdf4==1.5.5
 networkx==2.5
-nose==1.3.7
 notebook==6.2.0
 numba==0.50.1
 numcodecs==0.7.2
@@ -210,7 +203,6 @@ rsa==4.6
 scikit-image==0.16.2
 scikit-learn==0.22.1
 scipy==1.5.4
-secretstorage==3.3.1
 send2trash==1.5.0
 shellingham==1.3.2
 six==1.15.0
diff --git a/external/fv3fit/requirements.txt b/external/fv3fit/requirements.txt
index fcfff6f5f1..436ef7aa3c 100644
--- a/external/fv3fit/requirements.txt
+++ b/external/fv3fit/requirements.txt
@@ -53,7 +53,6 @@ MetPy
 more-itertools
 msgpack
 networkx
-nose
 numba
 oauthlib
 packaging