It should be removed. What you give is your intention, not the price you pay for it. You can know the brand of the clothes from other parts of the clothes, and the owner can naturally guess the price, and your intentions are clear at a glance. If you don’t dismantle it, the owner will think: Just give me some clothes and mark the price on them, just to show off. Do you want me to give them the same thing next time? It will make the owner feel uncomfortable. Removing the trademark is also a sign of respect for the owner