diff --git a/frappe/core/doctype/prepared_report/prepared_report.py b/frappe/core/doctype/prepared_report/prepared_report.py
index c575ce409c..e947cee8ed 100644
--- a/frappe/core/doctype/prepared_report/prepared_report.py
+++ b/frappe/core/doctype/prepared_report/prepared_report.py
@@ -98,7 +98,7 @@ def delete_expired_prepared_reports():
 def delete_prepared_reports(reports):
 	reports = frappe.parse_json(reports)
 	for report in reports:
-		frappe.delete_doc('Prepared Report', report['name'], ignore_permissions=True)
+		frappe.delete_doc('Prepared Report', report['name'], ignore_permissions=True, delete_permanently=True)
 
 def create_json_gz_file(data, dt, dn):
 	# Storing data in CSV file causes information loss