diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fd6070e29b2..310345b10a6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -66,30 +66,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
-            python: '3.13'
-            kind: pip
           - os: ubuntu-latest
             python: '3.13'
             kind: pip-pre
-          - os: ubuntu-latest
-            python: '3.13'
-            kind: conda
-          - os: macos-latest  # arm64 (Apple Silicon): Sequoia
-            python: '3.13'
-            kind: mamba
-          - os: macos-14  # arm64 (Apple Silicon): Sonoma
-            python: '3.13'
-            kind: mamba
-          - os: windows-latest
-            python: '3.11'
-            kind: mamba
-          - os: ubuntu-latest
-            python: '3.12'
-            kind: minimal
-          - os: ubuntu-22.04
-            python: '3.10'
-            kind: old
     steps:
       - uses: actions/checkout@v5
         with:
diff --git a/tools/install_pre_requirements.sh b/tools/install_pre_requirements.sh
index 47e8322cd2d..d14f1384486 100755
--- a/tools/install_pre_requirements.sh
+++ b/tools/install_pre_requirements.sh
@@ -57,9 +57,7 @@ python -m pip install $STD_ARGS \
 	git+https://github.com/BUNPC/pysnirf2 \
 	trame trame-vtk trame-vuetify jupyter ipyevents ipympl openmeeg \
 	imageio-ffmpeg xlrd mffpy traitlets pybv eeglabio defusedxml antio \
-	edfio
-# https://github.com/the-siesta-group/edfio/issues/78
-# git+https://github.com/the-siesta-group/edfio
+	"git+https://github.com/the-siesta-group/edfio.git@stop-using-lfs"
 echo "::endgroup::"
 
 echo "::group::Make sure we're on a NumPy 2.0 variant"