How do I remove a xp blocker from a pokemon

[burnt forge]

P!i

[limpid ferry]

:star: Level 99 Gigantamax Corviknight "Halloween"

50/2725XP
Types: Flying | Steel
Holding: XP Blocker
Nature: Brave
Chilli Type: None
HP: 385/385 - IV: 23/31 - EV: 0
Attack: 261 - IV: 22/31 - EV: 0
Defense: 280 - IV: 28/31 - EV: 0
Sp. Atk: 180 - IV: 31/31 - EV: 0
Sp. Def: 239 - IV: 27/31 - EV: 0
Speed: 180 - IV: 23/31 - EV: 0
Total IV %: 82.8%
Total EV : 0/508

Displaying Pokémon: 7628/10725 - Use P!back and P!next to cycle through your pokémon!

[molten thistle]

P!remove item 7628

Not sure

[burnt forge]

Ty