Delete web functionality doesn't work if worker class has namespace(s), like NameSpace::Worker, NameSpace1::NameSpace2::Worker, the delete link has the /sidekiq/grouping/name_space1/worker:queue_name/delete//sidekiq/grouping/name_space1/name_space2/worker:queue_name/delete path which doesn't match with https://github.com/gzigzigzeo/sidekiq-grouping/blob/master/lib/sidekiq/grouping/web.rb#L17