diff --git a/tests/conftest.py b/tests/conftest.py
index 18b9414..c33d866 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -8,6 +8,7 @@
 import pytest
 from click.testing import CliRunner
 from pytask import storage
+
 from pytask_stata.config import STATA_COMMANDS
 
 needs_stata = pytest.mark.skipif(
@@ -78,6 +79,6 @@ def invoke(self, *args, **kwargs):
             return super().invoke(*args, **kwargs)
 
 
-@pytest.fixture()
+@pytest.fixture
 def runner():
     return CustomCliRunner()
diff --git a/tests/test_collect.py b/tests/test_collect.py
index c4c87bc..e65f91c 100644
--- a/tests/test_collect.py
+++ b/tests/test_collect.py
@@ -4,11 +4,12 @@
 
 import pytest
 from pytask import Mark
+
 from pytask_stata.collect import _parse_stata_mark
 from pytask_stata.collect import stata
 
 
-@pytest.mark.unit()
+@pytest.mark.unit
 @pytest.mark.parametrize(
     ("args", "kwargs", "expectation", "expected"),
     [
@@ -32,7 +33,7 @@ def test_stata(args, kwargs, expectation, expected):
         assert options == expected
 
 
-@pytest.mark.unit()
+@pytest.mark.unit
 @pytest.mark.parametrize(
     ("mark", "expectation", "expected"),
     [
diff --git a/tests/test_config.py b/tests/test_config.py
index 2a00be9..7fc6286 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -4,7 +4,7 @@
 from pytask import build
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_marker_is_configured(tmp_path):
     session = build(paths=tmp_path)
 
diff --git a/tests/test_execute.py b/tests/test_execute.py
index 6aa5103..35fde81 100644
--- a/tests/test_execute.py
+++ b/tests/test_execute.py
@@ -12,13 +12,13 @@
 from pytask import Task
 from pytask import build
 from pytask import cli
+
 from pytask_stata.config import STATA_COMMANDS
 from pytask_stata.execute import pytask_execute_task_setup
-
 from tests.conftest import needs_stata
 
 
-@pytest.mark.unit()
+@pytest.mark.unit
 @pytest.mark.parametrize(
     ("stata", "expectation"),
     [(executable, does_not_raise()) for executable in STATA_COMMANDS]
@@ -42,7 +42,7 @@ def test_pytask_execute_task_setup_raise_error(stata, platform, expectation):
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_run_do_file(runner, tmp_path):
     task_source = """
     import pytask
@@ -72,7 +72,7 @@ def task_run_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_run_do_file_w_task_decorator(runner, tmp_path):
     task_source = """
     import pytask
@@ -102,7 +102,7 @@ def run_do_file():
         assert tmp_path.joinpath("script.log").exists()
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_raise_error_if_stata_is_not_found(tmp_path, monkeypatch):
     task_source = """
     from pytask import mark, task
@@ -128,7 +128,7 @@ def task_run_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_run_do_file_w_wrong_cmd_option(runner, tmp_path):
     """Apparently, Stata simply discards wrong cmd options."""
     task_source = """
@@ -154,7 +154,7 @@ def task_run_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_run_do_file_by_passing_path(runner, tmp_path):
     """Replicates example under "Command Line Arguments" in Readme."""
     task_source = """
@@ -180,7 +180,7 @@ def task_run_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_run_do_file_fails_with_multiple_marks(runner, tmp_path):
     task_source = """
     import pytask
@@ -201,7 +201,7 @@ def task_run_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_with_task_without_path(runner, tmp_path):
     task_source = """
     import pytask
diff --git a/tests/test_normal_execution_w_plugin.py b/tests/test_normal_execution_w_plugin.py
index d14f598..dd5a773 100644
--- a/tests/test_normal_execution_w_plugin.py
+++ b/tests/test_normal_execution_w_plugin.py
@@ -9,7 +9,7 @@
 from pytask import cli
 
 
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 @pytest.mark.parametrize(
     "dependencies",
     [(), ("in.txt",), ("in_1.txt", "in_2.txt")],
diff --git a/tests/test_parallel.py b/tests/test_parallel.py
index e511f02..e884e0d 100644
--- a/tests/test_parallel.py
+++ b/tests/test_parallel.py
@@ -24,7 +24,7 @@
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_parallel_parametrization_over_source_files_w_loop(runner, tmp_path):
     source = """
     import pytask
@@ -56,7 +56,7 @@ def task_execute_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_parallel_parametrization_over_source_file_w_loop(runner, tmp_path):
     source = """
     import pytask
diff --git a/tests/test_parametrize.py b/tests/test_parametrize.py
index f571e8d..241ee02 100644
--- a/tests/test_parametrize.py
+++ b/tests/test_parametrize.py
@@ -11,7 +11,7 @@
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_parametrized_execution_of_do_file_w_loop(runner, tmp_path):
     source = """
     import pytask
@@ -41,7 +41,7 @@ def task_execute_do_file():
 
 
 @needs_stata
-@pytest.mark.end_to_end()
+@pytest.mark.end_to_end
 def test_parametrize_command_line_options_w_loop(runner, tmp_path):
     task_source = """
     import pytask