diff --git a/.github/workflows/test-devel_release.yml b/.github/workflows/test-devel_release.yml
index 5b2f597..526caff 100644
--- a/.github/workflows/test-devel_release.yml
+++ b/.github/workflows/test-devel_release.yml
@@ -64,12 +64,9 @@ jobs:
     if: success() || failure()
     name: Publish Unit Tests Results
     needs:
-    - test-ergo
     - test-inspircd
     - test-inspircd-anope
     - test-inspircd-atheme
-    - test-limnoria
-    - test-sopel
     runs-on: ubuntu-latest
     steps:
     - name: Download Artifacts
@@ -80,30 +77,6 @@ jobs:
       uses: EnricoMi/publish-unit-test-result-action@v1
       with:
         files: artifacts/**/*.xml
-  test-ergo:
-    needs: []
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.7
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
-    - name: Install irctest dependencies
-      run: |-
-        python -m pip install --upgrade pip
-        pip install pytest -r requirements.txt
-    - name: Test with pytest
-      run: PYTEST_ARGS='--junit-xml pytest.xml' PATH=$HOME/.local/bin:$PATH  PATH=~/go/bin:$PATH
-        make ergo
-    - if: always()
-      name: Publish results
-      uses: actions/upload-artifact@v2
-      with:
-        name: pytest results ergo (devel_release)
-        path: pytest.xml
   test-inspircd:
     needs:
     - build-inspircd
@@ -206,54 +179,6 @@ jobs:
       with:
         name: pytest results inspircd-atheme (devel_release)
         path: pytest.xml
-  test-limnoria:
-    needs: []
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.7
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
-    - name: Install irctest dependencies
-      run: |-
-        python -m pip install --upgrade pip
-        pip install pytest -r requirements.txt
-    - name: Test with pytest
-      run: PYTEST_ARGS='--junit-xml pytest.xml' PATH=$HOME/.local/bin:$PATH  make
-        limnoria
-    - if: always()
-      name: Publish results
-      uses: actions/upload-artifact@v2
-      with:
-        name: pytest results limnoria (devel_release)
-        path: pytest.xml
-  test-sopel:
-    needs: []
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.7
-    - name: Install Atheme
-      run: sudo apt-get install atheme-services
-    - name: Install irctest dependencies
-      run: |-
-        python -m pip install --upgrade pip
-        pip install pytest -r requirements.txt
-    - name: Test with pytest
-      run: PYTEST_ARGS='--junit-xml pytest.xml' PATH=$HOME/.local/bin:$PATH  make
-        sopel
-    - if: always()
-      name: Publish results
-      uses: actions/upload-artifact@v2
-      with:
-        name: pytest results sopel (devel_release)
-        path: pytest.xml
 name: irctest with devel_release versions
 'on':
   schedule:
diff --git a/make_workflows.py b/make_workflows.py
index 8a98ef3..eb716a2 100644
--- a/make_workflows.py
+++ b/make_workflows.py
@@ -164,14 +164,15 @@ def get_test_job(*, config, test_config, test_id, version_flavor, jobs):
                 }
             )
         else:
-            install_steps.extend(
-                get_install_steps(
-                    software_config=software_config,
-                    software_id=software_id,
-                    version_flavor=version_flavor,
-                )
-                or []
+            new_install_steps = get_install_steps(
+                software_config=software_config,
+                software_id=software_id,
+                version_flavor=version_flavor,
             )
+            if new_install_steps is None:
+                # This flavor does not need to be built
+                return None
+            install_steps.extend(new_install_steps)
 
     if not set(needs) <= jobs:
         # One of the dependencies does not exist for this flavor