5 files changed, 5 insertions, 34 deletions
diff --git a/pylint/testutils/_primer/package_to_lint.py b/pylint/testutils/_primer/package_to_lint.py
index 11df63bd2..1f596f02b 100644
--- a/pylint/testutils/_primer/package_to_lint.py
+++ b/pylint/testutils/_primer/package_to_lint.py
@@ -5,18 +5,13 @@
 from __future__ import annotations
 
 import logging
-import sys
 from pathlib import Path
+from typing import Literal
 
 from git import GitCommandError
 from git.cmd import Git
 from git.repo import Repo
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal
-
 PRIMER_DIRECTORY_PATH = Path("tests") / ".pylint_primer_tests"
 
 
diff --git a/pylint/testutils/_primer/primer_command.py b/pylint/testutils/_primer/primer_command.py
index 08adedd4c..817c1a0d3 100644
--- a/pylint/testutils/_primer/primer_command.py
+++ b/pylint/testutils/_primer/primer_command.py
@@ -6,18 +6,12 @@ from __future__ import annotations
 
 import abc
 import argparse
-import sys
 from pathlib import Path
-from typing import Dict
+from typing import Dict, TypedDict
 
 from pylint.reporters.json_reporter import OldJsonExport
 from pylint.testutils._primer import PackageToLint
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
-
 
 class PackageData(TypedDict):
     commit: str
diff --git a/pylint/testutils/functional/test_file.py b/pylint/testutils/functional/test_file.py
index 5b2e4efb6..16593b5c4 100644
--- a/pylint/testutils/functional/test_file.py
+++ b/pylint/testutils/functional/test_file.py
@@ -5,9 +5,9 @@
 from __future__ import annotations
 
 import configparser
-import sys
 from collections.abc import Callable
 from os.path import basename, exists, join
+from typing import TypedDict
 
 
 def parse_python_version(ver_str: str) -> tuple[int, ...]:
@@ -19,12 +19,6 @@ class NoFileError(Exception):
     pass
 
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
-
-
 class TestFileOptions(TypedDict):
     min_pyver: tuple[int, ...]
     max_pyver: tuple[int, ...]
diff --git a/pylint/testutils/pyreverse.py b/pylint/testutils/pyreverse.py
index 24fddad77..c621f9e7a 100644
--- a/pylint/testutils/pyreverse.py
+++ b/pylint/testutils/pyreverse.py
@@ -7,17 +7,11 @@ from __future__ import annotations
 import argparse
 import configparser
 import shlex
-import sys
 from pathlib import Path
-from typing import NamedTuple
+from typing import NamedTuple, TypedDict
 
 from pylint.pyreverse.main import DEFAULT_COLOR_PALETTE
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
-
 
 # This class could and should be replaced with a simple dataclass when support for Python < 3.7 is dropped.
 # A NamedTuple is not possible as some tests need to modify attributes during the test.
diff --git a/pylint/testutils/unittest_linter.py b/pylint/testutils/unittest_linter.py
index 84fc53bc8..a19afec56 100644
--- a/pylint/testutils/unittest_linter.py
+++ b/pylint/testutils/unittest_linter.py
@@ -6,8 +6,7 @@
 
 from __future__ import annotations
 
-import sys
-from typing import Any
+from typing import Any, Literal
 
 from astroid import nodes
 
@@ -15,11 +14,6 @@ from pylint.interfaces import UNDEFINED, Confidence
 from pylint.lint import PyLinter
 from pylint.testutils.output_line import MessageTest
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal
-
 
 class UnittestLinter(PyLinter):
     """A fake linter class to capture checker messages."""