Hide the number of members andgroups form avatars

I 'used in my web site http://www.ikomor.com a BP default child theme and i dont want
the users to see the number of members in my activity and my members directories.
there are a function or a plugin to hide the numbers of members???

in Bp there not a difference avatar members and avatar groups i want to differentiate they
for exemples avatar members round ...
and avatar groups square ..