diff --git a/src/dependency_injector/ext/aiohttp.pyi b/src/dependency_injector/ext/aiohttp.pyi
index c524712c..97d7c090 100644
--- a/src/dependency_injector/ext/aiohttp.pyi
+++ b/src/dependency_injector/ext/aiohttp.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Awaitable as _Awaitable, TypeVar
+from typing import Awaitable as _Awaitable, TypeVar
 
 from dependency_injector import providers
 
diff --git a/src/dependency_injector/ext/flask.pyi b/src/dependency_injector/ext/flask.pyi
index 1c791b88..7e1e8412 100644
--- a/src/dependency_injector/ext/flask.pyi
+++ b/src/dependency_injector/ext/flask.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Callable as _Callable, Optional, TypeVar, Union
+from typing import Callable as _Callable, Optional, TypeVar, Union
 
 from flask.wrappers import Request
 
diff --git a/src/dependency_injector/providers.pyi b/src/dependency_injector/providers.pyi
index e8542eeb..da3d6a2d 100644
--- a/src/dependency_injector/providers.pyi
+++ b/src/dependency_injector/providers.pyi
@@ -9,7 +9,6 @@ from typing import (
     Callable as _Callable,
     Coroutine as _Coroutine,
     Dict as _Dict,
-    Generator as _Generator,
     Generic,
     Iterable as _Iterable,
     Iterator as _Iterator,
diff --git a/tests/typing/aggregate.py b/tests/typing/aggregate.py
index 6518257a..94bd5f27 100644
--- a/tests/typing/aggregate.py
+++ b/tests/typing/aggregate.py
@@ -1,5 +1,5 @@
 from dependency_injector import providers
-from typing_extensions import assert_type, Any
+from typing_extensions import assert_type
 
 
 class Animal: ...
diff --git a/tests/typing/coroutine.py b/tests/typing/coroutine.py
index 190d771a..b6628bfa 100644
--- a/tests/typing/coroutine.py
+++ b/tests/typing/coroutine.py
@@ -1,4 +1,4 @@
-from typing import Awaitable, Coroutine, Any
+from typing import Coroutine, Any
 from typing_extensions import assert_type
 
 from dependency_injector import providers
diff --git a/tests/typing/factory.py b/tests/typing/factory.py
index 314f267b..182291a3 100644
--- a/tests/typing/factory.py
+++ b/tests/typing/factory.py
@@ -1,4 +1,4 @@
-from typing import Any, Callable, Dict, Optional, Tuple, Type
+from typing import Any, Callable, Dict, Tuple, Type
 from typing_extensions import assert_type
 
 from dependency_injector import providers
diff --git a/tests/unit/samples/wiring/asyncinjections.py b/tests/unit/samples/wiring/asyncinjections.py
index befd59b0..b33f8aaa 100644
--- a/tests/unit/samples/wiring/asyncinjections.py
+++ b/tests/unit/samples/wiring/asyncinjections.py
@@ -1,6 +1,5 @@
 import asyncio
 
-from typing_extensions import Annotated
 
 from dependency_injector import containers, providers
 from dependency_injector.wiring import Closing, Provide, inject
diff --git a/tests/unit/samples/wiringfastapi/web.py b/tests/unit/samples/wiringfastapi/web.py
index c1ed5102..3256d559 100644
--- a/tests/unit/samples/wiringfastapi/web.py
+++ b/tests/unit/samples/wiringfastapi/web.py
@@ -3,9 +3,6 @@
 from typing_extensions import Annotated
 
 from fastapi import FastAPI, Depends
-from fastapi import (
-    Request,
-)  # See: https://github.com/ets-labs/python-dependency-injector/issues/398
 from fastapi.security import HTTPBasic, HTTPBasicCredentials
 from dependency_injector import containers, providers
 from dependency_injector.wiring import inject, Provide
diff --git a/tests/unit/wiring/provider_ids/test_main_annotated_py36.py b/tests/unit/wiring/provider_ids/test_main_annotated_py36.py
index 5e289cd0..d7cc3a28 100644
--- a/tests/unit/wiring/provider_ids/test_main_annotated_py36.py
+++ b/tests/unit/wiring/provider_ids/test_main_annotated_py36.py
@@ -4,8 +4,7 @@
 import typing
 
 from dependency_injector import errors
-from dependency_injector.wiring import Closing, Provide, Provider, wire
-from pytest import fixture, mark, raises
+from pytest import fixture, raises
 
 from samples.wiring import module_annotated as module, package, resourceclosing
 from samples.wiring.service import Service
diff --git a/tests/unit/wiring/test_fastapi_py36.py b/tests/unit/wiring/test_fastapi_py36.py
index 491c991c..cc549c09 100644
--- a/tests/unit/wiring/test_fastapi_py36.py
+++ b/tests/unit/wiring/test_fastapi_py36.py
@@ -1,5 +1,5 @@
 from httpx import ASGITransport, AsyncClient
-from pytest import fixture, mark
+from pytest import mark
 from pytest_asyncio import fixture as aio_fixture
 
 # Runtime import to avoid syntax errors in samples on Python < 3.5 and reach top-dir