You shouldn't declaw your Bengal cat. Declawing is quickly being made illegal in many places as a cruel practice that harms the cat both physically and psychologically. It could be even worse for a Bengal than a domestic cat.

Is it really cruel to declaw a cat?

After the surgery, the nails can grow back inside the paw, causing extreme pain unbeknownst to the cat's guardian. ... Many compassionate veterinarians refuse to declaw cats, even in areas where the procedure is legal, because declawing is cruel and of no benefit to cats—and it violates veterinarians' oath to “do no harm.”

Do Bengal cats need their nails trimmed?

Bengals claws grow very quickly as they love to have long and sharp nails to scratch the whole world surrounding them?. ... Bengal Cats do not like to have their nails trimmed so it is important to train your cat as a kitten to enjoy nail clipping routine.