In short, you can't; you can only disassociate yourself from the wallet.
By design, blockchains are meant to be an uneditable record of everything that happens on that respective blockchain. Therefore, once an address is created on a blockchain, that information exists forever and cannot be removed or deleted.
The address can always be recovered by its paired Recovery Phrase. If you ever wish to access this address again, please write down its Recovery Phrase and store it in a safe location
Please note that SheFi never has access to your Recovery Phrase and cannot help restore your address.
We recommend the following steps if you wish to discontinue using your SheFi wallet: