Perform the following steps:
Choose Tools -> Settings to display the Evolution Settings dialog.
Click on the Sun Java System Accounts
button in the left pane. Evolution
displays a table
of accounts that you have created, in the right pane.
Select the account that you want to delete.
Click Remove to display a confirmation alert.
Click Delete to delete the selected account.
Click OK to close the Information alert that tells you that you must restart Evolution
for the change to take effect.
Restart Evolution
.