diff --git a/frappe/core/doctype/report/report.py b/frappe/core/doctype/report/report.py
index 19be3fe1a4..6d890a6736 100644
--- a/frappe/core/doctype/report/report.py
+++ b/frappe/core/doctype/report/report.py
@@ -102,6 +102,12 @@ class Report(Document):
 			frappe.throw(_("You are not allowed to delete Standard Report"))
 		delete_custom_role("report", self.name)
 
+	def after_delete(self):
+		from frappe.modules.export_file import delete_folder
+
+		if not frappe.flags.in_test and frappe.conf.developer_mode:
+			delete_folder(self.module, "Report", self.name)
+
 	def get_permission_log_options(self, event=None):
 		return {"fields": ["roles"]}
 
diff --git a/frappe/email/doctype/notification/notification.py b/frappe/email/doctype/notification/notification.py
index 875796c395..04fc726272 100644
--- a/frappe/email/doctype/notification/notification.py
+++ b/frappe/email/doctype/notification/notification.py
@@ -14,7 +14,7 @@ from frappe.desk.doctype.notification_log.notification_log import enqueue_create
 from frappe.integrations.doctype.slack_webhook_url.slack_webhook_url import send_slack_message
 from frappe.model.document import Document
 from frappe.modules.utils import export_module_json, get_doc_module
-from frappe.utils import add_to_date, cast, now_datetime, nowdate, validate_email_address
+from frappe.utils import add_to_date, cast, cint, now_datetime, nowdate, validate_email_address
 from frappe.utils.data import evaluate_filters
 from frappe.utils.jinja import validate_template
 from frappe.utils.safe_exec import get_safe_globals
@@ -721,8 +721,24 @@ def get_context(context):
 		self.message = self.get_template(md_as_html=True)
 
 	def on_trash(self):
+		# Prevent deletion of standard notifications outside developer mode to avoid restoration during migration
+		if (
+			self.is_standard
+			and not frappe.conf.developer_mode
+			and not frappe.flags.in_migrate
+			and not frappe.flags.in_patch
+		):
+			frappe.throw(
+				_("You are not allowed to delete a standard Notification. You can disable it instead.")
+			)
 		clear_notification_cache()
 
+	def after_delete(self):
+		from frappe.modules.export_file import delete_folder
+
+		if not frappe.flags.in_test and frappe.conf.developer_mode:
+			delete_folder(self.module, "Notification", self.name)
+
 
 def clear_notification_cache():
 	frappe.client_cache.delete_keys("notifications::")