[Plugin: Jetpack by WordPress.com] Exclude Jeatpack Sharing in a widget with popular post

hi and thanks for your support,
I have a widget that diaply popular post from category in a sidebar.
I need to exclude the Jetpack Sharing service at the end of the post inside the widget but not in a post-page .
sorry for my english but anyone can help me please?
now ive disabled Sharing in posts but if you want to view what i mean you can try to: http://www.cemea.eu/?p=456

http://wordpress.org/extend/plugins/jetpack/