CELERY_TASK_RESULT_EXPIRES now defaults to 1 day instead of 5 days.

celery/conf.py

@@ -25,7 +25,7 @@ _DEFAULTS = {
     "CELERY_RESULT_BACKEND": "database",
     "CELERY_ALWAYS_EAGER": False,
     "CELERY_EAGER_PROPAGATES_EXCEPTIONS": False,
-    "CELERY_TASK_RESULT_EXPIRES": timedelta(days=5),
+    "CELERY_TASK_RESULT_EXPIRES": timedelta(days=1),
     "CELERY_SEND_EVENTS": False,
     "CELERY_IGNORE_RESULT": False,
     "CELERY_STORE_ERRORS_EVEN_IF_IGNORED": False,