diff --git a/tests/test_dependencies.py b/tests/test_dependencies.py
index f9b2d853c..a39ed0694 100644
--- a/tests/test_dependencies.py
+++ b/tests/test_dependencies.py
@@ -37,7 +37,3 @@ class ScrapyUtilsTest(unittest.TestCase):
         pinned_twisted_version_string = match[1]
 
         self.assertEqual(twisted_version.short(), pinned_twisted_version_string)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py
index 893582a32..778f7162d 100644
--- a/tests/test_utils_iterators.py
+++ b/tests/test_utils_iterators.py
@@ -528,7 +528,3 @@ class TestHelper(unittest.TestCase):
             type(a) is type(b), f"Got {type(a)}, expected {type(b)} for { obj!r}"
         )
         self.assertEqual(a, b)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py
index 5caa5b8f2..8d2695b0d 100644
--- a/tests/test_utils_python.py
+++ b/tests/test_utils_python.py
@@ -258,7 +258,3 @@ class UtilsPythonTestCase(unittest.TestCase):
             without_none_values({"one": 1, "none": None, "three": 3, "four": 4}),
             {"one": 1, "three": 3, "four": 4},
         )
-
-
-if __name__ == "__main__":
-    unittest.main()