Message appear behind post

Hello,
Since I have install other plugins in the theme, I have some text behind each post.
How can I delete or remove them please ?

Hello,

You can disable all (or only selected) custom fields from Template Opitons, please check the following articles:
https://www.gavick.com/blog/gavernwp-qu ... ost-fields
https://www.gavick.com/blog/gavernwp-qu ... ost-fields

Hi,
Thank you for your answer in a quick time.
I hadn't think to search on the postfields side.
Thank you very much