diff --git a/.github/workflows/python3.8-app.yml b/.github/workflows/python3.8-app.yml
index 219f111..ef74d8a 100644
--- a/.github/workflows/python3.8-app.yml
+++ b/.github/workflows/python3.8-app.yml
@@ -34,6 +34,7 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    # Can't run tests with a GitHub repo in requirements.txt
     # - name: Test with pytest
     #   run: |
     #     pytest
diff --git a/requirements.txt b/requirements.txt
index e812589..d8f51a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,6 @@ cryptography==36.0.2; python_version >= "3.6" \
     --hash=sha256:1f64a62b3b75e4005df19d3b5235abd43fa6358d5516cfc43d87aeba8d08dd51 \
     --hash=sha256:e167b6b710c7f7bc54e67ef593f8731e1f45aa35f8a8a7b72d6e42ec76afd4b3 \
     --hash=sha256:70f8f4f7bb2ac9f340655cbac89d68c527af5bb4387522a8413e841e3e6628c9
-electos.nist-datamodels @ git+https://github.com/ion-oset/nist-data-models.git@python/main ; python_version >= "3.7" and python_version < "4.0"
 pdfminer.six==20220506; python_version >= "3.6" \
     --hash=sha256:0960be95fe8724a4847f83d53d0331b890871f6035ba706841568caa2b541bf5 \
     --hash=sha256:3d65c1a0f4a0465c709e191550ec77a684ebe0bcb562337ccbfb7aa228c52076