diff --git a/.coveragerc b/.coveragerc
deleted file mode 100644
index c6772e953..000000000
--- a/.coveragerc
+++ /dev/null
@@ -1,32 +0,0 @@
-[report]
-
-include =
-    *psutil*
-omit =
-    psutil/_compat.py
-    psutil/tests/*
-    setup.py
-exclude_lines =
-    enum.IntEnum
-    except ImportError:
-    globals().update
-    if __name__ == .__main__.:
-    if _WINDOWS:
-    if BSD
-    if enum is None:
-    if enum is not None:
-    if FREEBSD
-    if has_enums:
-    if LINUX
-    if LITTLE_ENDIAN:
-    if NETBSD
-    if OPENBSD
-    if MACOS
-    if ppid_map is None:
-    if PY3:
-    if SUNOS
-    if sys.platform.startswith
-    if WINDOWS
-    import enum
-    pragma: no cover
-    raise NotImplementedError
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4c0ef79bd..e572b0297 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -151,6 +151,6 @@ jobs:
         # py3
         python3 -m pip install flake8 isort
         python3 -m flake8 .
-        python3 -m isort --settings=.isort.cfg .
+        python3 -m isort .
         # clinter
         find . -type f \( -iname "*.c" -o -iname "*.h" \) | xargs python3 scripts/internal/clinter.py
diff --git a/.isort.cfg b/.isort.cfg
deleted file mode 100644
index 58f66946c..000000000
--- a/.isort.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# See: https://pycqa.github.io/isort/docs/configuration/options
-
-[settings]
-# one import per line
-force_single_line = true
-# blank spaces after import section
-lines_after_imports = 2
diff --git a/MANIFEST.in b/MANIFEST.in
index c9cd85e99..e19c7e2de 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,7 +1,5 @@
-include .coveragerc
 include .flake8
 include .gitignore
-include .isort.cfg
 include CONTRIBUTING.md
 include CREDITS
 include HISTORY.rst
@@ -123,6 +121,7 @@ include psutil/tests/test_system.py
 include psutil/tests/test_testutils.py
 include psutil/tests/test_unicode.py
 include psutil/tests/test_windows.py
+include pyproject.toml
 include scripts/battery.py
 include scripts/cpu_distribution.py
 include scripts/disk_usage.py
diff --git a/Makefile b/Makefile
index caf4c9e9d..fb7f89ae0 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ TSCRIPT = psutil/tests/runner.py
 
 # Internal.
 DEPS = \
-	git+https://github.com/PyCQA/autoflake.git \
+	autoflake \
 	autopep8 \
 	check-manifest \
 	concurrencytest \
@@ -195,7 +195,7 @@ flake8:  ## Run flake8 linter.
 	@git ls-files '*.py' | xargs $(PYTHON) -m flake8 --config=.flake8
 
 isort:  ## Run isort linter.
-	@git ls-files '*.py' | xargs $(PYTHON) -m isort --settings=.isort.cfg --check-only
+	@git ls-files '*.py' | xargs $(PYTHON) -m isort --check-only
 
 c-linter:  ## Run C linter.
 	@git ls-files '*.c' '*.h' | xargs $(PYTHON) scripts/internal/clinter.py
@@ -214,7 +214,7 @@ fix-flake8:  ## Run autopep8, fix some Python flake8 / pep8 issues.
 	@git ls-files '*.py' | xargs $(PYTHON) -m autoflake --in-place --jobs 0 --remove-all-unused-imports --remove-unused-variables --remove-duplicate-keys
 
 fix-imports:  ## Fix imports with isort.
-	@git ls-files '*.py' | xargs $(PYTHON) -m isort --settings=.isort.cfg
+	@git ls-files '*.py' | xargs $(PYTHON) -m isort
 
 fix-all:  ## Run all code fixers.
 	${MAKE} fix-flake8
diff --git a/psutil/_psposix.py b/psutil/_psposix.py
index 39912d97e..1d250bf75 100644
--- a/psutil/_psposix.py
+++ b/psutil/_psposix.py
@@ -10,11 +10,11 @@
 import sys
 import time
 
+from ._common import MACOS
 from ._common import TimeoutExpired
 from ._common import memoize
 from ._common import sdiskusage
 from ._common import usage_percent
-from ._common import MACOS
 from ._compat import PY3
 from ._compat import ChildProcessError
 from ._compat import FileNotFoundError
@@ -23,6 +23,7 @@
 from ._compat import ProcessLookupError
 from ._compat import unicode
 
+
 if MACOS:
     from . import _psutil_osx
 
diff --git a/pyproject.toml b/pyproject.toml
index 47031d268..52d4c7286 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,42 @@
+[tool.isort]
+force_single_line = true  # one import per line
+lines_after_imports = 2  # blank spaces after import section
+
+[tool.coverage.report]
+include = [
+    "*psutil*"
+]
+omit = [
+    "psutil/_compat.py",
+    "psutil/tests/*",
+    "setup.py",
+]
+exclude_lines = [
+    "enum.IntEnum",
+    "except ImportError:",
+    "globals().update",
+    "if __name__ == .__main__.:",
+    "if _WINDOWS:",
+    "if BSD",
+    "if enum is None:",
+    "if enum is not None:",
+    "if FREEBSD",
+    "if has_enums:",
+    "if LINUX",
+    "if LITTLE_ENDIAN:",
+    "if MACOS",
+    "if NETBSD",
+    "if OPENBSD",
+    "if ppid_map is None:",
+    "if PY3:",
+    "if SUNOS",
+    "if sys.platform.startswith",
+    "if WINDOWS",
+    "import enum",
+    "pragma: no cover",
+    "raise NotImplementedError",
+]
+
 [build-system]
 requires = ["setuptools>=43"]
 build-backend = "setuptools.build_meta"
diff --git a/scripts/internal/git_pre_commit.py b/scripts/internal/git_pre_commit.py
index 46b3bc533..877836272 100755
--- a/scripts/internal/git_pre_commit.py
+++ b/scripts/internal/git_pre_commit.py
@@ -128,8 +128,7 @@ def main():
             return exit("python code didn't pass 'flake8' style check; "
                         "try running 'make fix-flake8'")
         # isort
-        assert os.path.exists('.isort.cfg')
-        cmd = "%s -m isort --settings=.isort.cfg --check-only %s" % (
+        cmd = "%s -m isort --check-only %s" % (
             PYTHON, " ".join(py_files))
         ret = subprocess.call(shlex.split(cmd))
         if ret != 0: