Refs #12990 -- Removed django.contrib.postgres.fields.jsonb.KeyTransform/KeyTextTransform.

Per deprecation timeline.

django/contrib/postgres/fields/jsonb.py

@@ -1,11 +1,4 @@
-import warnings
-
 from django.db.models import JSONField as BuiltinJSONField
-from django.db.models.fields.json import (
-    KeyTextTransform as BuiltinKeyTextTransform,
-    KeyTransform as BuiltinKeyTransform,
-)
-from django.utils.deprecation import RemovedInDjango40Warning
 
 __all__ = ['JSONField']
 
@@ -19,24 +12,3 @@ class JSONField(BuiltinJSONField):
         'hint': 'Use django.db.models.JSONField instead.',
         'id': 'fields.E904',
     }
-
-
-class KeyTransform(BuiltinKeyTransform):
-    def __init__(self, *args, **kwargs):
-        warnings.warn(
-            'django.contrib.postgres.fields.jsonb.KeyTransform is deprecated '
-            'in favor of django.db.models.fields.json.KeyTransform.',
-            RemovedInDjango40Warning, stacklevel=2,
-        )
-        super().__init__(*args, **kwargs)
-
-
-class KeyTextTransform(BuiltinKeyTextTransform):
-    def __init__(self, *args, **kwargs):
-        warnings.warn(
-            'django.contrib.postgres.fields.jsonb.KeyTextTransform is '
-            'deprecated in favor of '
-            'django.db.models.fields.json.KeyTextTransform.',
-            RemovedInDjango40Warning, stacklevel=2,
-        )
-        super().__init__(*args, **kwargs)

docs/releases/4.0.txt

@@ -316,3 +316,6 @@ to remove usage of these features.
 
 * The ``django.contrib.postgres.fields.JSONField`` model field is removed,
   except for support in historical migrations.
+
+* ``django.contrib.postgres.fields.jsonb.KeyTransform`` and
+  ``django.contrib.postgres.fields.jsonb.KeyTextTransform`` are removed.

tests/postgres_tests/test_json_deprecation.py

@@ -1,8 +1,5 @@
 try:
     from django.contrib.postgres import forms
-    from django.contrib.postgres.fields.jsonb import (
-        KeyTextTransform, KeyTransform,
-    )
 except ImportError:
     pass
 
@@ -19,20 +16,3 @@ class DeprecationTests(PostgreSQLSimpleTestCase):
         )
         with self.assertWarnsMessage(RemovedInDjango40Warning, msg):
             forms.JSONField()
-
-    def test_key_transform_deprecation_message(self):
-        msg = (
-            'django.contrib.postgres.fields.jsonb.KeyTransform is deprecated '
-            'in favor of django.db.models.fields.json.KeyTransform.'
-        )
-        with self.assertWarnsMessage(RemovedInDjango40Warning, msg):
-            KeyTransform('foo', 'bar')
-
-    def test_key_text_transform_deprecation_message(self):
-        msg = (
-            'django.contrib.postgres.fields.jsonb.KeyTextTransform is '
-            'deprecated in favor of '
-            'django.db.models.fields.json.KeyTextTransform.'
-        )
-        with self.assertWarnsMessage(RemovedInDjango40Warning, msg):
-            KeyTextTransform('foo', 'bar')