diff --git a/tests/regr_test.py b/tests/regr_test.py
index ef53c5b1ddd7..c8fc9e91202c 100755
--- a/tests/regr_test.py
+++ b/tests/regr_test.py
@@ -184,7 +184,6 @@ def run_testcases(
         "--no-incremental",
         # Not useful for the test cases
         "--disable-error-code=empty-body",
-        "--disable-error-code=overload-overlap",
     ]
 
     if package.is_stdlib:
diff --git a/tests/stubtest_stdlib.py b/tests/stubtest_stdlib.py
index bc3f2dae8959..28ec3776062c 100755
--- a/tests/stubtest_stdlib.py
+++ b/tests/stubtest_stdlib.py
@@ -36,7 +36,7 @@ def run_stubtest(typeshed_dir: Path) -> int:
             *allowlist_stubtest_arguments("stdlib"),
             # Options for mypy check before the stubtest:
             "--mypy-config-file",
-            str(temp),
+            temp.name,
         ]
         if sys.version_info < (3, 10):
             # As discussed in https://github.com/python/typeshed/issues/3693, we only aim for