diff --git a/environment.yml b/environment.yml
deleted file mode 100644
index d8279f1..0000000
--- a/environment.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-channels:
-- http://ssb.stsci.edu/astroconda
-- conda-forge
-- defaults
-dependencies:
-- healpy>=1.10
-- jwxml>=0.3.0
-- matplotlib>=3.0.0
-- python>=3.6
-- sphinx>=2.1
-- yaml>=0.1.7
-- pip:
-    - astropy>=3.2.1
-    - numpy>=1.16
-    - jwst
-    - pysiaf>0.3.0
-    - pytest>=3.8.1
-    - scipy>=1.1.0
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index b5e3a85..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-numpy
-sphinx
-ipykernel
-nbsphinx
-jwst