Groups shared by others problems

I’ve encountered a related problem on EndNote X9.

Recently, a colleague of mine shared his group of the library via EndNote Web. After that, he stopped the sharing.

I also shared a group and stopped.

Now, a group of my lib does not appear in his EndNote Desktop version. It’s fine.

However, his group still appears in my EndNote Desktop version. It’s not good.

If I clicked the group as displayed “name@example, <group name>”, I found “The group, <group name>, is no longer shared.”

I do want to remove the “Group Shared by Others”, how can I do that?

Best regards,

rg111