Deleted posts still show in the 'Popular posts tab'

Hi,

After initially setting my blog up (http://www.artisancode.co.uk) I added this plugin to the footer. After adding the plugin I deleted the Sample post “Hello World”. Unfortunately, the “Hello World” post is still appearing in my popular posts, even though it is deleted.

Is this designed behaviour?
Is there any way I can ‘reset’ the popularity stats to remove the deleted post?

Thanks

Tom Kuhn

https://wordpress.org/plugins/popular-posts-tab-widget-for-jetpack/