diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index b6e7d33c9..0e1f739f6 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -31,13 +31,6 @@ jobs:
       run: cmp -s /meta.yaml localbuild/meta.yaml && cmp -s /development.txt requirements.d/development.txt ||
         (echo Dependencies differ && echo "triggerdockerbuild=yes" >> $GITHUB_ENV )
 
-    - name: Install pyvirtualdisplay if on stable
-      if: ${{ inputs.image_suffix == 'stable' }}
-      run: |
-        source /opt/conda/etc/profile.d/conda.sh
-        source /opt/conda/etc/profile.d/mamba.sh
-        mamba install -n mss-${{ inputs.image_suffix }}-env pyvirtualdisplay
-
     - name: Always rebuild dependencies for scheduled builds (started from testing-scheduled.yml)
       if: ${{ github.event_name == 'workflow_dispatch' }}
       run: echo "triggerdockerbuild=yes" >> $GITHUB_ENV