diff --git a/django-stubs/contrib/postgres/fields/jsonb.pyi b/django-stubs/contrib/postgres/fields/jsonb.pyi
index f071e74..48f0098 100644
--- a/django-stubs/contrib/postgres/fields/jsonb.pyi
+++ b/django-stubs/contrib/postgres/fields/jsonb.pyi
@@ -5,7 +5,7 @@ from django.db.models import Field
 from django.db.models.lookups import Transform
 from .mixins import CheckFieldDefaultMixin
 
-class JsonAdapter(object):
+class JsonAdapter:
     encoder: Any = ...
     def __init__(self, adapted: Any, dumps: Optional[Any] = ..., encoder: Optional[Any] = ...) -> None: ...
     def dumps(self, obj: Any): ...
@@ -22,12 +22,7 @@ class JSONField(CheckFieldDefaultMixin, Field):
         encoder: Optional[Type[JSONEncoder]] = ...,
         **kwargs: Any
     ) -> None: ...
-    def db_type(self, connection: Any): ...
-    def get_transform(self, name: Any): ...
-    def get_prep_value(self, value: Any): ...
-    def validate(self, value: Any, model_instance: Any) -> None: ...
     def value_to_string(self, obj: Any): ...
-    def formfield(self, **kwargs: Any): ...
 
 class KeyTransform(Transform):
     operator: str = ...
diff --git a/django-stubs/db/models/fields/__init__.pyi b/django-stubs/db/models/fields/__init__.pyi
index 98c91e2..8d599e6 100644
--- a/django-stubs/db/models/fields/__init__.pyi
+++ b/django-stubs/db/models/fields/__init__.pyi
@@ -119,6 +119,8 @@ class Field(RegisterLookupMixin, Generic[_ST, _GT]):
     def check(self, **kwargs: Any) -> List[checks.Error]: ...
     @property
     def validators(self) -> List[_ValidatorCallable]: ...
+    def validate(self, value: Any, model_instance: Model) -> None: ...
+    def run_validators(self, value: Any) -> None: ...
     def get_col(self, alias: str, output_field: Optional[Field] = ...) -> Col: ...
     @property
     def cached_col(self) -> Col: ...
diff --git a/django-stubs/forms/fields.pyi b/django-stubs/forms/fields.pyi
index 46999e8..06aefa9 100644
--- a/django-stubs/forms/fields.pyi
+++ b/django-stubs/forms/fields.pyi
@@ -100,8 +100,7 @@ class IntegerField(Field):
         label_suffix: Optional[Any] = ...,
     ) -> None: ...
 
-class FloatField(IntegerField):
-    def validate(self, value: Optional[float]) -> None: ...
+class FloatField(IntegerField): ...
 
 class DecimalField(IntegerField):
     decimal_places: Optional[int]
@@ -125,7 +124,6 @@ class DecimalField(IntegerField):
         disabled: bool = ...,
         label_suffix: Optional[Any] = ...,
     ) -> None: ...
-    def validate(self, value: Optional[Decimal]) -> None: ...
 
 class BaseTemporalField(Field):
     input_formats: Any = ...