diff --git a/CHANGES/12620.contrib.rst b/CHANGES/12620.contrib.rst
new file mode 100644
index 00000000000..b93594993d0
--- /dev/null
+++ b/CHANGES/12620.contrib.rst
@@ -0,0 +1,2 @@
+Moved pytest config from :file:`setup.cfg` to :file:`pytest.ini`
+-- by :user:`aiolibsbot`.
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000000..b01e0e183f2
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,110 @@
+[pytest]
+addopts =
+  # Show 10 slowest invocations:
+  --durations=10
+
+  # Report all the things == -rxXs:
+  -ra
+
+  # Show values of the local vars in errors/tracebacks:
+  --showlocals
+
+  # Fail on config parsing warnings:
+  # --strict-config
+
+  # Fail on non-existing markers:
+  # * Deprecated since v6.2.0 but may be reintroduced later covering a
+  #   broader scope:
+  # --strict
+  # * Exists since v4.5.0 (advised to be used instead of `--strict`):
+  --strict-markers
+
+  # Skip dev_mode/autobahn/internal tests by default; CI opts in explicitly:
+  -m "not dev_mode and not autobahn and not internal"
+
+  # Disable entry-point auto-load, otherwise we miss coverage.
+  -p no:aiohttp
+
+asyncio_mode = auto
+
+doctest_optionflags = ALLOW_UNICODE ELLIPSIS
+
+# Marks tests with an empty parameterset as xfail(run=False)
+empty_parameter_set_mark = xfail
+
+faulthandler_timeout = 30
+
+filterwarnings =
+  error
+  ignore:module 'ssl' has no attribute 'OP_NO_COMPRESSION'. The Python interpreter is compiled against OpenSSL < 1.0.0. Ref. https.//docs.python.org/3/library/ssl.html#ssl.OP_NO_COMPRESSION:UserWarning
+  ignore:Unclosed client session <aiohttp.client.ClientSession object at 0x:ResourceWarning
+  ignore:The loop argument is deprecated:DeprecationWarning:asyncio
+  ignore:Creating a LegacyVersion has been deprecated and will be removed in the next major release:DeprecationWarning::
+  # The following deprecation warning is triggered by importing
+  # `gunicorn.util`. Hopefully, it'll get fixed in the future. See
+  # https://github.com/benoitc/gunicorn/issues/2840 for detail.
+  ignore:module 'sre_constants' is deprecated:DeprecationWarning:pkg_resources._vendor.pyparsing
+  # Deprecation warning emitted by setuptools v67.5.0+ triggered by importing
+  # `gunicorn.util`.
+  ignore:pkg_resources is deprecated as an API:DeprecationWarning
+  # The deprecation warning below is happening under Python 3.11 and
+  # is fixed by https://github.com/certifi/python-certifi/pull/199. It
+  # can be dropped with the next release of `certify`, specifically
+  # `certify > 2022.06.15`.
+  ignore:path is deprecated. Use files.. instead. Refer to https.//importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy for migration advice.:DeprecationWarning:certifi.core
+  # Dateutil deprecation warning already fixed upstream.
+  # Can be dropped with the next release, `dateutil > 2.8.2`
+  # https://github.com/dateutil/dateutil/pull/1285
+  ignore:datetime.*utcfromtimestamp\(\) is deprecated and scheduled for removal:DeprecationWarning:dateutil.tz.tz
+  # Tracked upstream and waiting for PR review
+  # https://github.com/spulec/freezegun/issues/508
+  # https://github.com/spulec/freezegun/pull/511
+  ignore:datetime.*utcnow\(\) is deprecated and scheduled for removal:DeprecationWarning:freezegun.api
+  # Weird issue in Python 3.13+ triggered in test_multipart.py
+  ignore:coroutine method 'aclose' of 'BodyPartReader._decode_content_async' was never awaited:RuntimeWarning
+  # uvloop 0.22+ accesses the deprecated asyncio.AbstractEventLoopPolicy
+  # alias, which Python 3.14 marks for removal in 3.16. Drop this when
+  # uvloop stops touching the deprecated alias.
+  ignore:'asyncio.AbstractEventLoopPolicy' is deprecated:DeprecationWarning:uvloop
+
+# https://docs.pytest.org/en/stable/usage.html#creating-junitxml-format-files
+junit_duration_report = call
+# xunit1 contains more metadata than xunit2 so it's better for CI UIs:
+junit_family = xunit1
+junit_logging = all
+junit_log_passing_tests = true
+junit_suite_name = aiohttp_test_suite
+
+# A mapping of markers to their descriptions allowed in strict mode:
+markers =
+  autobahn: Autobahn testsuite. Should be run as a separate job.
+  dev_mode: mark test to run in dev mode.
+  internal: tests which may cause issues for packagers, but should be run in aiohttp's CI.
+  skip_blockbuster: mark test to skip the blockbuster fixture.
+
+minversion = 6.2
+
+# Optimize pytest's lookup by restricting potentially deep dir tree scan:
+norecursedirs =
+  build
+  dist
+  docs
+  requirements
+  vendor
+  venv
+  virtualenv
+  *.egg-info
+  .cache
+  .eggs
+  .git
+  .github
+  .tox
+  *.egg
+
+testpaths = tests/
+
+# 2-minute per-test timeout so a hung test surfaces by name instead of taking
+# down the whole job. Autobahn and benchmark jobs override with `--timeout=0`.
+timeout = 120
+
+xfail_strict = true
diff --git a/setup.cfg b/setup.cfg
index e78606ecd57..85291ec62ad 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,68 +38,3 @@ known_first_party=aiohttp,aiohttp_jinja2,aiopg
 exclude_lines =
     @abc.abstractmethod
     @abstractmethod
-
-[tool:pytest]
-addopts =
-    # show 10 slowest invocations:
-    --durations=10
-
-    # a bit of verbosity doesn't hurt:
-    -v
-
-    # report all the things == -rxXs:
-    -ra
-
-    # show values of the local vars in errors:
-    --showlocals
-
-    -m "not dev_mode and not autobahn and not internal"
-
-    # Disable entry-point auto-load, otherwise we miss coverage.
-    -p no:aiohttp
-asyncio_mode = auto
-# 2-minute per-test timeout so a hung test surfaces by name instead of taking
-# down the whole job. Autobahn and benchmark jobs override with `--timeout=0`.
-timeout = 120
-filterwarnings =
-    error
-    ignore:module 'ssl' has no attribute 'OP_NO_COMPRESSION'. The Python interpreter is compiled against OpenSSL < 1.0.0. Ref. https.//docs.python.org/3/library/ssl.html#ssl.OP_NO_COMPRESSION:UserWarning
-    ignore:Unclosed client session <aiohttp.client.ClientSession object at 0x:ResourceWarning
-    ignore:The loop argument is deprecated:DeprecationWarning:asyncio
-    ignore:Creating a LegacyVersion has been deprecated and will be removed in the next major release:DeprecationWarning::
-    # The following deprecation warning is triggered by importing
-    # `gunicorn.util`. Hopefully, it'll get fixed in the future. See
-    # https://github.com/benoitc/gunicorn/issues/2840 for detail.
-    ignore:module 'sre_constants' is deprecated:DeprecationWarning:pkg_resources._vendor.pyparsing
-    # Deprecation warning emitted by setuptools v67.5.0+ triggered by importing
-    # `gunicorn.util`.
-    ignore:pkg_resources is deprecated as an API:DeprecationWarning
-    # The deprecation warning below is happening under Python 3.11 and
-    # is fixed by https://github.com/certifi/python-certifi/pull/199. It
-    # can be dropped with the next release of `certify`, specifically
-    # `certify > 2022.06.15`.
-    ignore:path is deprecated. Use files.. instead. Refer to https.//importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy for migration advice.:DeprecationWarning:certifi.core
-    # Dateutil deprecation warning already fixed upstream.
-    # Can be dropped with the next release, `dateutil > 2.8.2`
-    # https://github.com/dateutil/dateutil/pull/1285
-    ignore:datetime.*utcfromtimestamp\(\) is deprecated and scheduled for removal:DeprecationWarning:dateutil.tz.tz
-    # Tracked upstream and waiting for PR review
-    # https://github.com/spulec/freezegun/issues/508
-    # https://github.com/spulec/freezegun/pull/511
-    ignore:datetime.*utcnow\(\) is deprecated and scheduled for removal:DeprecationWarning:freezegun.api
-    # Weird issue in Python 3.13+ triggered in test_multipart.py
-    ignore:coroutine method 'aclose' of 'BodyPartReader._decode_content_async' was never awaited:RuntimeWarning
-    # uvloop 0.22+ accesses the deprecated asyncio.AbstractEventLoopPolicy
-    # alias, which Python 3.14 marks for removal in 3.16. Drop this when
-    # uvloop stops touching the deprecated alias.
-    ignore:'asyncio.AbstractEventLoopPolicy' is deprecated:DeprecationWarning:uvloop
-junit_suite_name = aiohttp_test_suite
-norecursedirs = dist docs build .tox .eggs
-minversion = 3.8.2
-testpaths = tests/
-xfail_strict = true
-markers =
-    autobahn: Autobahn testsuite. Should be run as a separate job.
-    dev_mode: mark test to run in dev mode.
-    internal: tests which may cause issues for packagers, but should be run in aiohttp's CI.
-    skip_blockbuster: mark test to skip the blockbuster fixture.