diff --git a/mypy/fastparse.py b/mypy/fastparse.py
index 0e1b66f0db59..e86b73deafac 100644
--- a/mypy/fastparse.py
+++ b/mypy/fastparse.py
@@ -2,7 +2,6 @@
 
 import re
 import sys
-import warnings
 from collections.abc import Sequence
 from typing import Any, Callable, Final, Literal, Optional, TypeVar, Union, cast, overload
 
@@ -227,11 +226,7 @@ def parse(
         assert options.python_version[0] >= 3
         feature_version = options.python_version[1]
     try:
-        # Disable deprecation warnings about \u
-        with warnings.catch_warnings():
-            warnings.filterwarnings("ignore", category=DeprecationWarning)
-            ast = ast3_parse(source, fnam, "exec", feature_version=feature_version)
-
+        ast = ast3_parse(source, fnam, "exec", feature_version=feature_version)
         tree = ASTConverter(
             options=options,
             is_stub=is_stub_file,
diff --git a/mypy/test/testparse.py b/mypy/test/testparse.py
index 027ca4dd2887..b7b26c689c5e 100644
--- a/mypy/test/testparse.py
+++ b/mypy/test/testparse.py
@@ -6,7 +6,6 @@
 
 from pytest import skip
 
-from mypy import defaults
 from mypy.config_parser import parse_mypy_comments
 from mypy.errors import CompileError, Errors
 from mypy.options import Options
@@ -47,7 +46,7 @@ def test_parser(testcase: DataDrivenTestCase) -> None:
     elif testcase.file.endswith("python313.test"):
         options.python_version = (3, 13)
     else:
-        options.python_version = defaults.PYTHON3_VERSION
+        options.python_version = sys.version_info[:2]
 
     source = "\n".join(testcase.input)