diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index afec26b0..9624dd88 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -27,6 +27,7 @@ jobs:
       with:
         documentation_path: docs/source
         cache: true
+        sphinx_build_options: -E
       env:
         # Avoid installing CUDA-enabled PyTorch wheels (they are huge and unnecessary for docs builds).
         # By making the PyTorch CPU wheel index the primary index, `pip install .[...]` will resolve
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 8d6e1ecb..7f1eace4 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -21,12 +21,6 @@ Datamint
 - `Datamint Platform <https://app.datamint.io/>`_
 - `GitHub <https://github.com/SonanceAI/datamint-python-api>`_
 
-**Difficulty levels:**
-
-- :bdg-success:`Beginner` no ML knowledge needed
-- :bdg-warning:`Intermediate` assumes SDK familiarity, introduces ML/dataset concepts
-- :bdg-danger:`Advanced` full training pipelines, custom models, 3D data, multi-step workflows
-
 For Developers
 --------------