How to delete it from the Wallet itself
1. Click the Extension icon in Chrome to display Wallet, and press the Account icon in the upper left corner of Wallet
2. When the account list screen appears, click on "...".
3. Click "Delete Account.
4. Click "Delete Account" in the confirmation dialog.
How to delete from the settings screen
1. Click on the Extension icon in Chrome to display Wallet, and then click on the "gear icon" in the upper right corner of Wallet
2.Go to the settings screen and click "Account" under "Wallet
3. From the list of accounts on the right, click the "..." button to the right of the account name you want to delete, and then select "Delete Account.
4. Click "Delete Account" in the confirmation dialog.