diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3989189..6719826 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,17 +33,15 @@ jobs:
 
       - name: remove files not needed for release
         run: |
-          rm -rf .github tests vendor .gitignore composer.json composer.lock phpunit.xml dev_utils
+          rm -rf .github tests vendor .gitignore composer.json composer.lock phpunit.xml dev_utils phpunit.xml infection.json5
 
       - name: Create release archives
         run: |
-          tar --exclude='.git' -czf /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.tgz *
           zip -x .git -r /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.zip *
 
       - name: Calculate MD5 hash
         run: |
           cd /tmp
-          md5sum /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.tgz > /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.tgz.md5
           md5sum /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.zip > /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.zip.md5
 
       - name: Upload release archive (ZIP)
@@ -52,24 +50,12 @@ jobs:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.zip
           tag: ${{ github.ref_name }}
-      - name: Upload release archive (TGZ)
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.tgz
-          tag: ${{ github.ref_name }}
       - name: Upload MD5 hash files (ZIP)
         uses: svenstaro/upload-release-action@v2
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.zip.md5
           tag: ${{ github.ref_name }}
-      - name: Upload MD5 hash files (TGZ)
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: /tmp/moodle-${{ env.PLUGIN_NAME }}-${{ github.ref_name }}.tgz.md5
-          tag: ${{ github.ref_name }}
 
       - name: Upload to package registry
         run: |