Too many devices duplicated device listed in "Send to Device" while in my account there is only one

When I want to share a tab to my other devices, I see too many times the same "IronManL" device. In my account, there is only one. I understand that it can depends from … (ulteriori informazioni)

When I want to share a tab to my other devices, I see too many times the same "IronManL" device. In my account, there is only one.

I understand that it can depends from different installation of Firefox on the same machine (I was looking for a Linux Distro, so I tried several ones) with same name assigned to my device.

Can you help me to to remove all others devices, please?

Thanks, Pierluigi

Chiesto da IoSonoPiero 37 minuti fa