diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index c14d27f4..91ce14ad 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -201,29 +201,6 @@ jobs:
           path: /tmp/conda
           retention-days: 30
 
-
-  test-on-windows-mamba:
-    runs-on: "windows-latest"
-    needs: [ build-conda ]
-    steps:
-      - uses: mamba-org/provision-with-micromamba@main
-        with:
-          channels: conda-forge, openfisca
-      - uses: actions/checkout@v3
-      - name: Get version
-        run: |
-          # chcp 65001 #set code page to utf-8
-          echo ("PACKAGE_VERSION=" + (python3 ./setup.py --version) ) >> $env:GITHUB_ENV
-          echo "Version setup.py: ${{ env.PACKAGE_VERSION }}"
-      - name: Download conda build
-        uses: actions/download-artifact@v3
-        with:
-          name: conda-build-${{ env.PACKAGE_VERSION }}-${{ github.sha }}
-          path: conda-build-tmp
-      - name: Install with conda
-        run: |
-          micromamba install -c ./conda-build-tmp/noarch/openfisca-france-data-${{ env.PACKAGE_VERSION }}-py_0.tar.bz2  openfisca-france-data
-
   test-on-windows:
     runs-on: "windows-latest"
     needs: [ build-conda ]