diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 8f0af4b7b3d..e7844f00900 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -38,12 +38,13 @@ jobs:
           ./scripts/dev-env/run.sh ./scripts/setup.sh --clean
           ./scripts/dev-env/run.sh ./scripts/build_a32nx.sh --no-tty -j 4
           rm -rf fbw-a32nx/src
+          docker system prune -af
       - name: Build ZIP files
         run: |
           df -h
-          ./scripts/dev-env/run.sh node ./scripts/fragment_a32nx.js
+          node ./scripts/fragment_a32nx.js
           cp ./fbw-a32nx/out/build-modules/modules.json ./fbw-a32nx/out/flybywire-aircraft-a320-neo/install.json
-          ./scripts/dev-env/run.sh node ./scripts/install-source_a32nx.js
+          node ./scripts/install-source_a32nx.js
           mkdir ./${{ env.BUILD_DIR_NAME }}
           cd ./fbw-a32nx/out/
           zip -r ../../${{ env.BUILD_DIR_NAME }}/${{ env.MASTER_ZIP_NAME }} ./flybywire-aircraft-a320-neo/
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index fb7447543df..5442b076087 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -65,14 +65,14 @@ jobs:
           ./scripts/dev-env/run.sh ./scripts/setup.sh --clean
           ./scripts/dev-env/run.sh ./scripts/build.sh --no-tty -j 4
           rm -rf fbw-a32nx/src
+          docker system prune -af
       - name: Generate install.json
         if: github.event.pull_request.auto_merge == false
         run: |
           df -h
-          ./scripts/dev-env/run.sh node ./scripts/fragment_a32nx.js
-
+          node ./scripts/fragment_a32nx.js
           cp ./fbw-a32nx/out/build-modules/modules.json ./fbw-a32nx/out/flybywire-aircraft-a320-neo/install.json
-          ./scripts/dev-env/run.sh node ./scripts/install-source_a32nx.js
+          node ./scripts/install-source_a32nx.js
       - name: Upload PR artifact
         uses: actions/upload-artifact@v2
         if: github.event.pull_request.auto_merge == false