diff --git a/odoo-stubs/models.pyi b/odoo-stubs/models.pyi
index a3230c3..8416228 100644
--- a/odoo-stubs/models.pyi
+++ b/odoo-stubs/models.pyi
@@ -54,7 +54,6 @@ class MetaModel(api.Meta):
     ) -> None: ...
 
 class NewId:
-    __slots__: list[str]
     origin: int | None
     ref: Any
     def __init__(self, origin: int | None = ..., ref: Any | None = ...) -> None: ...
@@ -77,7 +76,6 @@ def is_definition_class(cls) -> bool: ...
 def is_registry_class(cls) -> bool: ...
 
 class BaseModel(metaclass=MetaModel):
-    __slots__: list[str]
     _auto: bool
     _register: bool
     _abstract: bool
diff --git a/odoo-stubs/tests/common.pyi b/odoo-stubs/tests/common.pyi
index 706ece5..dd8be4e 100644
--- a/odoo-stubs/tests/common.pyi
+++ b/odoo-stubs/tests/common.pyi
@@ -133,7 +133,6 @@ class BaseCase(unittest.TestCase, metaclass=MetaCase):
     def _callSetUp(self) -> None: ...
 
 class _ErrorCatcher(list):
-    __slots__ = ["test"]
     test: TestCase
     def __init__(self, test: TestCase) -> None: ...
     def append(self, error) -> None: ...
diff --git a/odoo-stubs/tools/_vendor/sessions.pyi b/odoo-stubs/tools/_vendor/sessions.pyi
index b969c9a..f4b61b1 100644
--- a/odoo-stubs/tools/_vendor/sessions.pyi
+++ b/odoo-stubs/tools/_vendor/sessions.pyi
@@ -13,14 +13,12 @@ _sha1_re: Pattern
 def generate_key(salt: Any = ...) -> str: ...
 
 class ModificationTrackingDict(CallbackDict):
-    __slots__ = ("modified",)
     modified: bool
     def __init__(self, *args, **kwargs): ...
     def copy(self: _ModificationTrackingDictT) -> _ModificationTrackingDictT: ...
     def __copy__(self: _ModificationTrackingDictT) -> _ModificationTrackingDictT: ...
 
 class Session(ModificationTrackingDict):
-    __slots__ = ("modified", "sid", "new")
     sid: str
     new: bool
     def __init__(self, data, sid, new: bool = ...): ...
diff --git a/odoo-stubs/tools/func.pyi b/odoo-stubs/tools/func.pyi
index 7930d66..0af5e53 100644
--- a/odoo-stubs/tools/func.pyi
+++ b/odoo-stubs/tools/func.pyi
@@ -26,7 +26,6 @@ class _ClassProperty(property, Generic[_T]):
 def classproperty(func: Callable[..., _T]) -> _ClassProperty[_T]: ...
 
 class lazy:
-    __slots__ = ["_func", "_args", "_kwargs", "_cached_value"]
     def __init__(self, func, *args, **kwargs) -> None: ...
     @property
     def _value(self): ...
diff --git a/odoo-stubs/tools/misc.pyi b/odoo-stubs/tools/misc.pyi
index a6aa0e0..d7dccba 100644
--- a/odoo-stubs/tools/misc.pyi
+++ b/odoo-stubs/tools/misc.pyi
@@ -142,7 +142,6 @@ class CountingStream(Generic[_T]):
 def stripped_sys_argv(*strip_args: str) -> list[str]: ...
 
 class ConstantMapping(Mapping[_KT, _VT]):
-    __slots__ = ["_value"]
     _value: _VT
     def __init__(self, val: _VT) -> None: ...
     def __len__(self) -> int: ...
@@ -156,7 +155,6 @@ def freehash(arg) -> int: ...
 def clean_context(context: dict[str, Any]) -> dict[str, Any]: ...
 
 class frozendict(dict):
-    __slots__ = ()
     def __delitem__(self, key) -> NoReturn: ...
     def __setitem__(self, key, val) -> NoReturn: ...
     def clear(self) -> NoReturn: ...
@@ -167,14 +165,12 @@ class frozendict(dict):
     def __hash__(self) -> int: ...
 
 class Collector(dict[_KT, tuple[_T]]):
-    __slots__ = ()
     def __getitem__(self, key: _KT) -> tuple[_T]: ...
     def __setitem__(self, key: _KT, val: Iterable[_T]) -> None: ...
     def add(self, key: _KT, val: _T) -> None: ...
     def discard_keys_and_values(self, excludes: Collection): ...
 
 class StackMap(MutableMapping):
-    __slots__ = ["_maps"]
     _maps: list[MutableMapping]
     def __init__(self, m: MutableMapping | None = ...) -> None: ...
     def __getitem__(self, key): ...
@@ -187,7 +183,6 @@ class StackMap(MutableMapping):
     def popmap(self) -> MutableMapping: ...
 
 class OrderedSet(MutableSet):
-    __slots__ = ["_map"]
     _map: dict
     def __init__(self, elems: Iterable = ...) -> None: ...
     def __contains__(self, elem) -> bool: ...
@@ -203,7 +198,6 @@ class LastOrderedSet(OrderedSet):
     def add(self, elem) -> None: ...
 
 class Callbacks:
-    __slots__ = ["_funcs", "data"]
     _funcs: deque
     data: dict
     def __init__(self) -> None: ...
@@ -212,7 +206,6 @@ class Callbacks:
     def clear(self) -> None: ...
 
 class IterableGenerator(Generic[_T]):
-    __slots__ = ["func", "args"]
     func: Callable
     args: tuple
     def __init__(self, func: Callable[..., _T], *args) -> None: ...
@@ -224,7 +217,6 @@ def groupby(
 def unique(it: Iterable[_T]) -> Iterator[_T]: ...
 
 class Reverse:
-    __slots__ = ["val"]
     val: Any
     def __init__(self, val) -> None: ...
     def __eq__(self, other) -> bool: ...
diff --git a/odoo-stubs/tools/translate.pyi b/odoo-stubs/tools/translate.pyi
index c7422d9..1ba2718 100644
--- a/odoo-stubs/tools/translate.pyi
+++ b/odoo-stubs/tools/translate.pyi
@@ -62,7 +62,6 @@ class GettextAlias:
     def _get_translation(self, source: str) -> str: ...
 
 class _lt:
-    __slots__ = ["_source", "_args"]
     _source: str
     _args: tuple
     def __init__(self, source: str, *args, **kwargs) -> None: ...