chore(alerts): Remove NeglectedRule model

migrations_lockfile.txt

@@ -31,7 +31,7 @@ replays: 0007_organizationmember_replay_access
 
 seer: 0010_drop_legacy_columns
 
-sentry: 1080_backfill_deprecated_dashboard_widget_display_types
+sentry: 1081_remove_neglectedrule
 
 social_auth: 0003_social_auth_json_field
 

src/sentry/migrations/1081_remove_neglectedrule.py

@@ -0,0 +1,54 @@
+# Generated by Django 5.2.12 on 2026-05-05 22:43
+
+import django.db.models.deletion
+import sentry.db.models.fields.foreignkey
+from django.db import migrations
+
+from sentry.new_migrations.migrations import CheckedMigration
+from sentry.new_migrations.monkey.models import SafeDeleteModel
+from sentry.new_migrations.monkey.state import DeletionAction
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("sentry", "1080_backfill_deprecated_dashboard_widget_display_types"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="neglectedrule",
+            name="organization",
+            field=sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                db_constraint=False,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="sentry.organization",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="neglectedrule",
+            name="rule",
+            field=sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                db_constraint=False,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="sentry.rule",
+            ),
+        ),
+        SafeDeleteModel(
+            name="NeglectedRule",
+            deletion_action=DeletionAction.MOVE_TO_PENDING,
+        ),
+    ]

src/sentry/models/rule.py

@@ -189,8 +189,8 @@ class Meta:
 class NeglectedRule(Model):
     __relocation_scope__ = RelocationScope.Organization
 
-    rule = FlexibleForeignKey("sentry.Rule")
-    organization = FlexibleForeignKey("sentry.Organization")
+    rule = FlexibleForeignKey("sentry.Rule", db_constraint=False)
+    organization = FlexibleForeignKey("sentry.Organization", db_constraint=False)
     disable_date = models.DateTimeField()
     opted_out = models.BooleanField(default=False)
     sent_initial_email_date = models.DateTimeField(null=True)

src/sentry/testutils/helpers/backups.py

@@ -99,7 +99,7 @@
 from sentry.models.recentsearch import RecentSearch
 from sentry.models.relay import Relay, RelayUsage
 from sentry.models.repositorysettings import CodeReviewTrigger
-from sentry.models.rule import NeglectedRule, RuleActivity, RuleActivityType
+from sentry.models.rule import RuleActivity, RuleActivityType
 from sentry.models.savedsearch import SavedSearch, Visibility
 from sentry.models.search_common import SearchType
 from sentry.monitors.models import Monitor, ScheduleType
@@ -512,13 +512,6 @@ def create_exhaustive_organization(
             rule=rule, type=RuleActivityType.CREATED.value, user_id=owner_id
         )
         self.snooze_rule(user_id=owner_id, owner_id=owner_id, rule=rule)
-        NeglectedRule.objects.create(
-            rule=rule,
-            organization=org,
-            disable_date=timezone.now(),
-            sent_initial_email_date=timezone.now(),
-            sent_final_email_date=timezone.now(),
-        )
 
         # Environment*
         self.create_environment(project=project)