diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py
index f80eff3e6..ec4e87ffb 100644
--- a/tests/test_downloadermiddleware_httpcache.py
+++ b/tests/test_downloadermiddleware_httpcache.py
@@ -566,7 +566,3 @@ class RFC2616PolicyTest(DefaultStorageTest):
                 res2 = self._process_requestresponse(mw, req0, None)
                 self.assertEqualResponse(res1, res2)
                 assert "cached" in res2.flags
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py
index e37da9715..7b19ab781 100644
--- a/tests/test_downloadermiddleware_redirect.py
+++ b/tests/test_downloadermiddleware_redirect.py
@@ -1314,7 +1314,3 @@ def test_meta_refresh_schemes(url, location, target):
     else:
         assert isinstance(redirect, Request)
         assert redirect.url == target
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py
index c99f19b03..9b39b84d9 100644
--- a/tests/test_downloadermiddleware_retry.py
+++ b/tests/test_downloadermiddleware_retry.py
@@ -643,7 +643,3 @@ class GetRetryRequestTest(unittest.TestCase):
             f"{stats_key}/reason_count/{expected_reason}",
         ):
             self.assertEqual(spider.crawler.stats.get_value(stat), 1)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_exporters.py b/tests/test_exporters.py
index fa9389044..0f70887af 100644
--- a/tests/test_exporters.py
+++ b/tests/test_exporters.py
@@ -699,7 +699,3 @@ class CustomExporterItemTest(unittest.TestCase):
 
 class CustomExporterDataclassTest(CustomExporterItemTest):
     item_class = TestDataClass
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_http_request.py b/tests/test_http_request.py
index 9997b7ab3..d020a8911 100644
--- a/tests/test_http_request.py
+++ b/tests/test_http_request.py
@@ -1717,7 +1717,3 @@ class JsonRequestTest(RequestTest):
     def tearDown(self):
         warnings.resetwarnings()
         super().tearDown()
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_item.py b/tests/test_item.py
index 13243b67f..3f10a724d 100644
--- a/tests/test_item.py
+++ b/tests/test_item.py
@@ -296,7 +296,3 @@ class ItemMetaClassCellRegression(unittest.TestCase):
                 # TypeError: __class__ set to <class '__main__.MyItem'>
                 # defining 'MyItem' as <class '__main__.MyItem'>
                 super().__init__(*args, **kwargs)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_loader.py b/tests/test_loader.py
index aca428bbe..824d7aecf 100644
--- a/tests/test_loader.py
+++ b/tests/test_loader.py
@@ -586,7 +586,3 @@ class FunctionProcessorTestCase(unittest.TestCase):
         lo.add_value("foo", "  bar  ")
         lo.add_value("foo", ["  asdf  ", "  qwerty  "])
         self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]})
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py
index 4bf22f6a0..8d4bd6bc1 100644
--- a/tests/test_loader_deprecated.py
+++ b/tests/test_loader_deprecated.py
@@ -715,7 +715,3 @@ class FunctionProcessorTestCase(unittest.TestCase):
         lo.add_value("foo", "  bar  ")
         lo.add_value("foo", ["  asdf  ", "  qwerty  "])
         self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]})
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py
index 5a92521cc..61a9f3f8d 100644
--- a/tests/test_logformatter.py
+++ b/tests/test_logformatter.py
@@ -234,7 +234,3 @@ class ShowOrSkipMessagesTestCase(TwistedTestCase):
         self.assertNotIn("Scraped from <200 http://127.0.0.1:", str(lc))
         self.assertNotIn("Crawled (200) <GET http://127.0.0.1:", str(lc))
         self.assertNotIn("Dropped: Ignoring item", str(lc))
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_mail.py b/tests/test_mail.py
index c6af2b1b8..cf40c342e 100644
--- a/tests/test_mail.py
+++ b/tests/test_mail.py
@@ -157,7 +157,3 @@ class MailSenderTest(unittest.TestCase):
 
         context = factory.buildProtocol("test@scrapy.org").context
         self.assertIsInstance(context, ClientTLSOptions)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_responsetypes.py b/tests/test_responsetypes.py
index 7be8150fc..f9f56ff97 100644
--- a/tests/test_responsetypes.py
+++ b/tests/test_responsetypes.py
@@ -126,7 +126,3 @@ class ResponseTypesTest(unittest.TestCase):
         self.assertEqual(
             responsetypes.mimetypes.guess_type("x.scrapytest")[0], "x-scrapy/test"
         )
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py
index 503c29e32..8bc48aa7b 100644
--- a/tests/test_settings/__init__.py
+++ b/tests/test_settings/__init__.py
@@ -497,7 +497,3 @@ class SettingsTest(unittest.TestCase):
         self.assertEqual(
             str(error.exception), "Trying to modify an immutable Settings object"
         )
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py
index 2ce7948eb..cbea41129 100644
--- a/tests/test_utils_conf.py
+++ b/tests/test_utils_conf.py
@@ -177,7 +177,3 @@ class FeedExportConfigTestCase(unittest.TestCase):
                 "item_export_kwargs": {},
             },
         )
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_console.py b/tests/test_utils_console.py
index dabd6054d..0bc86e1b9 100644
--- a/tests/test_utils_console.py
+++ b/tests/test_utils_console.py
@@ -38,7 +38,3 @@ class UtilsConsoleTestCase(unittest.TestCase):
         # default shell should be 'ipython'
         shell = get_shell_embed_func()
         self.assertEqual(shell.__name__, "_embed_ipython_shell")
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py
index 5a76593c3..e80381671 100644
--- a/tests/test_utils_datatypes.py
+++ b/tests/test_utils_datatypes.py
@@ -372,7 +372,3 @@ class LocalWeakReferencedCacheTest(unittest.TestCase):
         for i, r in enumerate(refs):
             self.assertIn(r, cache)
             self.assertEqual(cache[r], i)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_httpobj.py b/tests/test_utils_httpobj.py
index b824972d5..741e69559 100644
--- a/tests/test_utils_httpobj.py
+++ b/tests/test_utils_httpobj.py
@@ -20,7 +20,3 @@ class HttpobjUtilsTest(unittest.TestCase):
         assert req1a is req1b
         assert req1a is not req2
         assert req1a is not req2
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py
index f71b2b034..478c1e73a 100644
--- a/tests/test_utils_misc/__init__.py
+++ b/tests/test_utils_misc/__init__.py
@@ -216,7 +216,3 @@ class UtilsMiscTestCase(unittest.TestCase):
         assert rel_has_nofollow("nofollowfoo") is False
         assert rel_has_nofollow("foonofollow") is False
         assert rel_has_nofollow("ugc,  ,  nofollow") is True
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py
index 0a3e3b00b..51bca9a31 100644
--- a/tests/test_utils_request.py
+++ b/tests/test_utils_request.py
@@ -481,7 +481,3 @@ class RequestToCurlTest(unittest.TestCase):
             " --data-raw '{\"foo\": \"bar\"}' --cookie 'foo=bar'"
         )
         self._test_request(request_object, expected_curl_command)
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_sitemap.py b/tests/test_utils_sitemap.py
index ce0de0722..69a459d8b 100644
--- a/tests/test_utils_sitemap.py
+++ b/tests/test_utils_sitemap.py
@@ -295,7 +295,3 @@ Disallow: /forum/active/
         )
 
         self.assertEqual(list(s), [{"loc": "http://127.0.0.1:8000/"}])
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_spider.py b/tests/test_utils_spider.py
index ae59d0137..df8f37103 100644
--- a/tests/test_utils_spider.py
+++ b/tests/test_utils_spider.py
@@ -30,7 +30,3 @@ class UtilsSpidersTestCase(unittest.TestCase):
 
         it = iter_spider_classes(tests.test_utils_spider)
         self.assertEqual(set(it), {MySpider1, MySpider2})
-
-
-if __name__ == "__main__":
-    unittest.main()
diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py
index fc42c0d2f..5fbbd74da 100644
--- a/tests/test_utils_template.py
+++ b/tests/test_utils_template.py
@@ -33,7 +33,3 @@ class UtilsRenderTemplateFileTestCase(unittest.TestCase):
 
         render_path.unlink()
         assert not render_path.exists()  # Failure of test itself
-
-
-if "__main__" == __name__:
-    unittest.main()
diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py
index 62e2b5c1e..94a59f883 100644
--- a/tests/test_utils_url.py
+++ b/tests/test_utils_url.py
@@ -630,7 +630,3 @@ def test_deprecated_imports_from_w3lib(obj_name):
         getattr(import_module("scrapy.utils.url"), obj_name)
 
         assert message in warns[0].message.args
-
-
-if __name__ == "__main__":
-    unittest.main()