At the top right, click More and then Settings.

At the bottom, click Advanced.

Under 'Privacy and security', click Site settings.

Click Cookies and then See all cookies and site data.

At the top right, search for prospectnow.com.

To the right of the site, click Remove.

Select the menu button and select Options.

Select the Privacy & Security panel and go to the Cookies and Site Data section.

Select the Manage Data button.

In the Search websites field, type prospectnow.com.

To remove selected items, select an entry and click Remove Selected.

Select Save Changes.

Select Preferences from the Safari menu or hold down the Command key and the comma key at the same time (Command+,).

Go to the Privacy tab.

To remove stored data by site, select the Details button.

Select prospectnow.com.

Select Remove.

Select Done.

Currently, there isn't a way to delete specific cookies from these browsers.

If cookies need to be removed, all the cookies will be deleted.