diff --git a/pyproject.toml b/pyproject.toml
index 6929457f..48fbb11e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -140,9 +140,13 @@ package-data = { "ultralytics" = ["**/*.yaml"], "ultralytics.assets" = ["*.jpg"]
 [tool.setuptools.dynamic]
 version = { attr = "ultralytics.__version__" }
 
-[tool.pytest]
-norecursedirs = [".git", "dist", "build"]
+[tool.pytest.ini_options]
 addopts = "--doctest-modules --durations=30 --color=yes"
+markers = [
+    "slow: skip slow tests unless --slow is set",
+]
+norecursedirs = [".git", "dist", "build"]
+
 
 [tool.coverage.run]
 source = ["ultralytics/"]
diff --git a/tests/conftest.py b/tests/conftest.py
index 06c0d140..58c07b79 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,8 +3,6 @@
 import shutil
 from pathlib import Path
 
-import pytest
-
 TMP = Path(__file__).resolve().parent / "tmp"  # temp directory for test files
 
 
@@ -18,27 +16,6 @@ def pytest_addoption(parser):
     parser.addoption("--slow", action="store_true", default=False, help="Run slow tests")
 
 
-def pytest_configure(config):
-    """
-    Register custom markers to avoid pytest warnings.
-
-    Args:
-        config (pytest.config.Config): The pytest config object.
-    """
-    config.addinivalue_line("markers", "slow: mark test as slow to run")
-
-
-def pytest_runtest_setup(item):
-    """
-    Setup hook to skip tests marked as slow if the --slow option is not provided.
-
-    Args:
-        item (pytest.Item): The test item object.
-    """
-    if "slow" in item.keywords and not item.config.getoption("--slow"):
-        pytest.skip("skip slow tests unless --slow is set")
-
-
 def pytest_collection_modifyitems(config, items):
     """
     Modify the list of test items to remove tests marked as slow if the --slow option is not provided.