Steps to reproduce the issue

1, ensure that all cache settings are off
2. go to maintentance / clear cache and make sure the cache is empty
3. ensure that the schema tab in an article loads correctly (if not then enable it)
4. visit various pages in the front end of the site
5. go to maintentance / clear cache

Expected result

No cache files

Actual result

Cache files for schema exists

System information (as much as possible)

Additional comments