diff --git a/pyproject.toml b/pyproject.toml
index 66f6486..ce079d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ classifiers = [
 
 [tool.flit.metadata.requires-extra]
 doc = ['sphinx', 'sphinx_rtd_theme']
-test = ['pytest', 'pytest-cov', 'pytest-flake8', 'pytest-isort', 'coverage[toml]', 'pillow']
+test = ['pytest', 'pillow']
 
 [tool.flit.metadata.urls]
 Documentation = 'https://doc.courtbouillon.org/pydyf/'
@@ -41,9 +41,6 @@ Donation = 'https://opencollective.com/courtbouillon'
 [tool.flit.sdist]
 exclude = ['.*']
 
-[tool.pytest.ini_options]
-addopts = '--isort --flake8 --cov'
-
 [tool.coverage.run]
 branch = true
 include = ['tests/*', 'pydyf/*']