Custom Fields
Re-Envisioned
Support General No custom post fields for Authors and Editors with Guttenberg Reply To: No custom post fields for Authors and Editors with Guttenberg

#13441

Anh Tran
Keymaster

Oh, I got it. These user meta are used by WP to store meta boxes state (visible/hidden) and their order (users can reorder). Looks like Gutenberg doesn’t handle these settings properly.

Yes, you can remove them without any problem. Meta Box won’t be affected by that.