diff --git a/pyproject.toml b/pyproject.toml
index 9b0e5f9..1dd18be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,6 +48,12 @@ responses ="^0.10.15"
 pytest = "^8.3.3"
 pytest-cov = "^5.0.0"
 
+[tool.coverage.run]
+include = refextract/*.py
+
+[tool.pytest.ini_options]
+addopts = --cov=refextract --cov-report=term-missing:skip-covered
+
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 40c05d8..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,32 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of refextract.
-# Copyright (C) 2015, 2018, 2019 CERN.
-#
-# refextract is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of the
-# License, or (at your option) any later version.
-#
-# refextract is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with refextract; if not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
-#
-# In applying this license, CERN does not waive the privileges and immunities
-# granted to it by virtue of its status as an Intergovernmental Organization
-# or submit itself to any jurisdiction.
-
-#
-# Tests
-#
-
-[coverage:run]
-include = refextract/*.py
-
-[tool:pytest]
-addopts = --cov=refextract --cov-report=term-missing:skip-covered