From linkedin.com/settings I clicked sync contacts, which took me to this url: https://www.linkedin.com/mynetwork/settings/manage-syncing https://www.linkedin.c

From linkedin.com/settings I clicked sync contacts, which took me to this url: https://www.linkedin.com/mynetwork/settings/manage-syncing https://www.linkedin.com/mynetwork/settings/manage-syncing There you will find an an option to "remove all."