An Enchantment Extraction can be crafted and used to take enchantments off of enchanted items.

It is a one-time use item and you cannot control which enchantment is removed.

Drag and drop the Extractor onto an item with enchantments you wish to extract from, and it will remove one enchantment from that armor.

To craft it you need one Book, 4 Lapis Blocks, and 4 Eyes of Ender