Note: Contracts that are configured on account-packages or package frequencies are in use and cannot be deleted. In order to delete a contract that is in use, first determine which account-packages/package frequencies are configured with the contract from the 'References' tab. Next modify the account-packages/package frequencies so that they use an alternate contract.
Select the contract you wish to delete in the list on the left under the Contracts heading
Under the Contracts heading click the icon
On the confirmation dialog click Yes to confirm that the selected contract should be deleted