diff --git a/third_party/2and3/click/_termui_impl.pyi b/third_party/2and3/click/_termui_impl.pyi
index 749acc75d..43e98ac34 100644
--- a/third_party/2and3/click/_termui_impl.pyi
+++ b/third_party/2and3/click/_termui_impl.pyi
@@ -2,7 +2,7 @@ from typing import Generic, Optional, TypeVar
 
 _T = TypeVar("_T")
 
-class ProgressBar(object, Generic[_T]):
+class ProgressBar(Generic[_T]):
     def update(self, n_steps: int) -> None: ...
     def finish(self) -> None: ...
     def __enter__(self) -> ProgressBar[_T]: ...
diff --git a/third_party/2and3/pynamodb/attributes.pyi b/third_party/2and3/pynamodb/attributes.pyi
index 493e69509..2dea16016 100644
--- a/third_party/2and3/pynamodb/attributes.pyi
+++ b/third_party/2and3/pynamodb/attributes.pyi
@@ -81,7 +81,7 @@ class NullAttribute(Attribute[None]):
 class MapAttributeMeta(type):
     def __init__(self, name, bases, attrs) -> None: ...
 
-class MapAttribute(Generic[_KT, _VT], Attribute[Mapping[_KT, _VT]], metaclass=MapAttributeMeta):
+class MapAttribute(Attribute[Mapping[_KT, _VT]], metaclass=MapAttributeMeta):
     attribute_values: Any
     def __init__(
         self,
@@ -100,7 +100,7 @@ class MapAttribute(Generic[_KT, _VT], Attribute[Mapping[_KT, _VT]], metaclass=Ma
     def is_type_safe(self, key: Any, value: Any) -> bool: ...
     def validate(self) -> bool: ...
 
-class ListAttribute(Generic[_T], Attribute[List[_T]]):
+class ListAttribute(Attribute[List[_T]]):
     element_type: Any
     def __init__(
         self,
diff --git a/third_party/2and3/pynamodb/models.pyi b/third_party/2and3/pynamodb/models.pyi
index 00eb4dc03..023a2eef5 100644
--- a/third_party/2and3/pynamodb/models.pyi
+++ b/third_party/2and3/pynamodb/models.pyi
@@ -150,7 +150,7 @@ class ModelContextManager(Generic[_T]):
     def __init__(self, model: Type[_T], auto_commit: bool = ...) -> None: ...
     def __enter__(self) -> ModelContextManager[_T]: ...
 
-class BatchWrite(Generic[_T], ModelContextManager[_T]):
+class BatchWrite(ModelContextManager[_T]):
     def save(self, put_item: _T) -> None: ...
     def delete(self, del_item: _T) -> None: ...
     def __enter__(self) -> BatchWrite[_T]: ...
diff --git a/third_party/2and3/werkzeug/datastructures.pyi b/third_party/2and3/werkzeug/datastructures.pyi
index c49c60d71..d04de7ce6 100644
--- a/third_party/2and3/werkzeug/datastructures.pyi
+++ b/third_party/2and3/werkzeug/datastructures.pyi
@@ -30,7 +30,7 @@ def is_immutable(self) -> NoReturn: ...
 def iter_multi_items(mapping): ...
 def native_itermethods(names): ...
 
-class ImmutableListMixin(object, Generic[_V]):
+class ImmutableListMixin(Generic[_V]):
     def __hash__(self) -> int: ...
     def __reduce_ex__(self: _D, protocol) -> Tuple[Type[_D], List[_V]]: ...
     def __delitem__(self, key: _V) -> NoReturn: ...