diff --git a/.github/workflows/usecase.yml b/.github/workflows/usecase.yml
index b967152..fbe46c0 100644
--- a/.github/workflows/usecase.yml
+++ b/.github/workflows/usecase.yml
@@ -20,23 +20,24 @@ jobs:
                 miniforge-variant: Mambaforge
                 miniforge-version: latest
                 activate-environment: amworkflow
+                environment-file: environment.yml
                 use-mamba: true
 
-          - name: Set cache date
-            run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
-
-          - uses: actions/cache@v2
-            with:
-              path: "/usr/share/miniconda3/envs/amworkflow"
-              key: conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
-            id: cache
-
-          - name: Update environment
-            run: mamba env update -n amworkflow -f environment.yml
-            if: steps.cache.outputs.cache-hit != 'true'
-
-          - name: Install package
-            run: git clone https://github.com/tpaviot/pythonocc-utils.git && cd pythonocc-utils && pip install -e .
+#          - name: Set cache date
+#            run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
+#
+#          - uses: actions/cache@v2
+#            with:
+#              path: "/usr/share/miniconda3/envs/amworkflow"
+#              key: conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
+#            id: cache
+#
+#          - name: Update environment
+#            run: mamba env update -n amworkflow -f environment.yml
+#            if: steps.cache.outputs.cache-hit != 'true'
+#
+#          - name: Install package
+#            run: git clone https://github.com/tpaviot/pythonocc-utils.git && pip install ./pythonocc-utils
 
           - name: Run param_wall
             shell: bash -l {0} #new shell
diff --git a/environment.yaml b/environment.yaml
index 0b3200b..40d0135 100644
--- a/environment.yaml
+++ b/environment.yaml
@@ -373,7 +373,6 @@ dependencies:
     - nest-asyncio==1.5.6
     - notebook==6.5.4
     - notebook-shim==0.2.3
-    - occutils==0.1.dev0
     - overrides==7.3.1
     - pandocfilters==1.5.0
     - plotly==5.15.0