diff --git a/django-stubs/db/models/fields/__init__.pyi b/django-stubs/db/models/fields/__init__.pyi
index 40f422781..95e37c5bc 100644
--- a/django-stubs/db/models/fields/__init__.pyi
+++ b/django-stubs/db/models/fields/__init__.pyi
@@ -219,6 +219,9 @@ class Field(RegisterLookupMixin, Generic[_ST, _GT]):
         limit_choices_to: Optional[_LimitChoicesTo] = ...,
         ordering: Sequence[str] = ...,
     ) -> _ChoicesList: ...
+    def _get_flatchoices(self) -> List[_Choice]: ...
+    @property
+    def flatchoices(self) -> List[_Choice]: ...
     def has_default(self) -> bool: ...
     def get_default(self) -> Any: ...
     def check(self, **kwargs: Any) -> List[CheckMessage]: ...