Can't remove hidden field completely

Remove hidden fields and update email sender name in ChronoForms.

Overview

Hidden fields persist in emails due to browser cookies, and email sender names don't automatically update from Joomla site settings.
Clear browser cookies to remove old hidden fields from emails. For the email sender name, manually update the 'From name' field in the CF email block, as it is separate from the Joomla site name.

Answered
ChronoForms v6
By ByBus 19 Dec, 2017
Answer
I've removed hidden field from designer tab, but it still exists in the received mail as label without value.
And I can't update site name too(From name in email block is empty). I changed site name in Joomla settings, but I still get emails with old name. Removing cache doesn't help.

Added:
Removing cookies helped with old hidden inputs.
"From name":
All is working fine. My mistake was that I thought that the name of the site is used in mailing.
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