diff --git a/stdlib/_tkinter.pyi b/stdlib/_tkinter.pyi
index 9f9e851bc..378b04202 100644
--- a/stdlib/_tkinter.pyi
+++ b/stdlib/_tkinter.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Tuple, Union
+from typing import Any
 from typing_extensions import Literal
 
 # _tkinter is meant to be only used internally by tkinter, but some tkinter
diff --git a/stdlib/xml/dom/domreg.pyi b/stdlib/xml/dom/domreg.pyi
index 6f479b097..bf63ff09e 100644
--- a/stdlib/xml/dom/domreg.pyi
+++ b/stdlib/xml/dom/domreg.pyi
@@ -1,5 +1,5 @@
 from _typeshed.xml import DOMImplementation
-from typing import Any, Callable, Dict, Iterable, Optional, Tuple, Union
+from typing import Callable, Dict, Iterable, Optional, Tuple, Union
 
 well_known_implementations: Dict[str, str]
 registered: Dict[str, Callable[[], DOMImplementation]]
diff --git a/stubs/emoji/emoji/core.pyi b/stubs/emoji/emoji/core.pyi
index 03c0b4fa9..8fcd223d6 100644
--- a/stubs/emoji/emoji/core.pyi
+++ b/stubs/emoji/emoji/core.pyi
@@ -1,4 +1,4 @@
-from typing import Dict, List, Optional, Pattern, Text, Tuple, Union
+from typing import Dict, List, Pattern, Text, Tuple, Union
 from typing_extensions import Literal
 
 _DEFAULT_DELIMITER: str
diff --git a/stubs/futures/concurrent/futures/thread.pyi b/stubs/futures/concurrent/futures/thread.pyi
index fa5720024..6e272f38d 100644
--- a/stubs/futures/concurrent/futures/thread.pyi
+++ b/stubs/futures/concurrent/futures/thread.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Callable, Generic, Iterable, Mapping, Optional, Tuple, TypeVar
+from typing import Any, Callable, Generic, Iterable, Mapping, Optional, TypeVar
 
 from ._base import Executor, Future
 
diff --git a/stubs/jwt/jwt/algorithms.pyi b/stubs/jwt/jwt/algorithms.pyi
index eb76c6590..cb875074e 100644
--- a/stubs/jwt/jwt/algorithms.pyi
+++ b/stubs/jwt/jwt/algorithms.pyi
@@ -1,4 +1,3 @@
-import sys
 from hashlib import _Hash
 from typing import Any, ClassVar, Dict, Generic, Optional, Set, TypeVar, Union
 
@@ -6,20 +5,11 @@ from cryptography.hazmat.primitives import hashes
 from cryptography.hazmat.primitives.asymmetric.ec import (
     EllipticCurvePrivateKey,
     EllipticCurvePrivateKeyWithSerialization,
-    EllipticCurvePrivateNumbers,
     EllipticCurvePublicKey,
     EllipticCurvePublicKeyWithSerialization,
-    EllipticCurvePublicNumbers,
 )
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey, Ed25519PublicKey
-from cryptography.hazmat.primitives.asymmetric.rsa import (
-    RSAPrivateKey,
-    RSAPrivateKeyWithSerialization,
-    RSAPrivateNumbers,
-    RSAPublicKey,
-    RSAPublicKeyWithSerialization,
-    RSAPublicNumbers,
-)
+from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey, RSAPublicKey
 from cryptography.hazmat.primitives.asymmetric.utils import Prehashed
 from cryptography.hazmat.primitives.hashes import HashAlgorithm
 
diff --git a/stubs/pymssql/pymssql.pyi b/stubs/pymssql/pymssql.pyi
index 4f625626f..599f9d4b6 100644
--- a/stubs/pymssql/pymssql.pyi
+++ b/stubs/pymssql/pymssql.pyi
@@ -1,5 +1,5 @@
 from datetime import date, datetime, time
-from typing import Any, Dict, Iterable, List, Optional, Sequence, Tuple, Union
+from typing import Any, Dict, List, Optional, Sequence, Tuple, Union
 
 Scalar = Union[int, float, str, datetime, date, time]
 Result = Union[Tuple[Scalar, ...], Dict[str, Scalar]]
diff --git a/stubs/simplejson/simplejson/decoder.pyi b/stubs/simplejson/simplejson/decoder.pyi
index a0631945c..0d726afc5 100644
--- a/stubs/simplejson/simplejson/decoder.pyi
+++ b/stubs/simplejson/simplejson/decoder.pyi
@@ -1,6 +1,6 @@
-from typing import Match
+from typing import Any, Match
 
 class JSONDecoder(object):
-    def __init__(self, **kwargs): ...
+    def __init__(self, **kwargs: Any) -> None: ...
     def decode(self, s: str, _w: Match[str], _PY3: bool): ...
     def raw_decode(self, s: str, idx: int, _w: Match[str], _PY3: bool): ...
diff --git a/stubs/waitress/waitress/compat.pyi b/stubs/waitress/waitress/compat.pyi
index 3e8fd859c..42c62f43e 100644
--- a/stubs/waitress/waitress/compat.pyi
+++ b/stubs/waitress/waitress/compat.pyi
@@ -1,4 +1,3 @@
-import sys
 from io import TextIOWrapper
 from typing import Any, Optional, Tuple
 
diff --git a/stubs/waitress/waitress/parser.pyi b/stubs/waitress/waitress/parser.pyi
index 551bad0a3..48a3d210f 100644
--- a/stubs/waitress/waitress/parser.pyi
+++ b/stubs/waitress/waitress/parser.pyi
@@ -1,5 +1,5 @@
 from io import BytesIO
-from typing import Mapping, Optional, Pattern, Sequence, Tuple, Union
+from typing import Any, Mapping, Optional, Pattern, Sequence, Tuple, Union
 
 from waitress.adjustments import Adjustments
 from waitress.receiver import ChunkedReceiver, FixedStreamReceiver
@@ -38,6 +38,6 @@ class HTTPRequestParser:
 def split_uri(uri: bytes) -> Tuple[str, str, bytes, str, str]: ...
 def get_header_lines(header: bytes) -> Sequence[bytes]: ...
 
-first_line_re: Pattern
+first_line_re: Pattern[Any]
 
 def crack_first_line(line: str) -> Tuple[bytes, bytes, bytes]: ...