1. Click Management
  2. Select My Organization
  3. Select eCommerce tab
  4. Click Enabled under the processor. The text will change to Disabled and it will become greyed out
* Note: The default payment processor cannot be disabled.

If this processor is needed again, click Disabled to make it active. You can click either Hide Disabled Processors or Show Disabled Processors from the task bar on the left to see the desired processors.