```ruby
require 'sidekiq/web'

module Sidekiq
  module Grouping
    module Web
      VIEWS = File.expand_path('views', File.dirname(__FILE__))

      def self.registered(app)
        app.get "/grouping" do
          @batches = Sidekiq::Grouping::Batch.all
          erb File.read(File.join(VIEWS, 'index.erb')), locals: {view_path: VIEWS}
        end

        app.post "/grouping/*/delete" do |name|
          worker_class, queue = Sidekiq::Grouping::Batch.extract_worker_klass_and_queue(name)
          batch = Sidekiq::Grouping::Batch.new(worker_class, queue)
          batch.delete
          redirect "#{root_path}/grouping"
        end
      end

    end
  end
end

Sidekiq::Web.register(Sidekiq::Grouping::Web)
Sidekiq::Web.tabs["Grouping"] = "grouping"

```

Fix grouping delete from Sidekiq Web
user
```ruby
require 'sidekiq/web'

module Sidekiq
  module Grouping
    module Web
      VIEWS = File.expand_path('views', File.dirname(__FILE__))

      def self.registered(app)
        app.get "/grouping" do
          @batches = Sidekiq::Grouping::Batch.all
          erb File.read(File.join(VIEWS, 'index.erb')), locals: {view_path: VIEWS}
        end

        app.post "/grouping/:name/delete" do
          worker_class, queue = Sidekiq::Grouping::Batch.extract_worker_klass_and_queue(params['name'])
          batch = Sidekiq::Grouping::Batch.new(worker_class, queue)
          batch.delete
          redirect "#{root_path}grouping"
        end
      end

    end
  end
end

Sidekiq::Web.register(Sidekiq::Grouping::Web)
Sidekiq::Web.tabs["Grouping"] = "grouping"
```
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