diff --git a/pyproject.toml b/pyproject.toml
index e9bd300..f385871 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,14 +35,12 @@ mock = "^5.1.0"
 
 
 [tool.poetry.group.dev.dependencies]
-black = "^24.4.2"
 pre-commit = "*"
 elasticsearch-dsl = "^7.4.0"
 elasticsearch = "<7.14.0"
 inspire-utils = "3.0.22"
 
 
-isort = "^5.13.2"
 boto3 = "^1.34.130"
 [build-system]
 requires = ["poetry-core"]
@@ -56,8 +54,3 @@ inspire-classifier = 'inspire_classifier.cli:inspire_classifier'
 testpaths = [
     "tests",
 ]
-
-[tool.isort]
-profile = "black"
-multi_line_output = 3
-atomic = true
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index d8eb648..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,12 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2024 CERN.
-#
-# inspirehep is free software; you can redistribute it and/or modify it under
-# the terms of the MIT License; see LICENSE file for more details.
-
-[aliases]
-test = pytest
-
-[bdist_wheel]
-universal = 1