How to remove a withdrawal address from your account:
1. Log in to your Kraken account, navigate to "Funding".
2. Click the "Show all assets" box or use the Search bar and type the asset you wish to delete the withdrawal address for.
3. Select "Withdraw" for the digital asset/cryptocurrency you wish to remove an address.
4. Select the “Manage” button.
5. Click the red “X” of the address you wish to delete.
6. Click the “Delete address” button.
7. Withdrawal address has successfully been deleted.