   * `index_id` - Index's id
   """
   def unregister(index_id) do
-    do_unpercolate("/_percolator/#{namespace(index_id)}")
+    do_unregister("/_percolator/#{namespace(index_id)}")
   end
 
   @doc """

  * `uuid`     - Filter's id
  """
  def unregister(index_id, token, id) do
    do_unpercolate("/_percolator/#{namespace(index_id)}/#{token}-#{id}")
  end

  @doc """

  * `body`     - Filter in json
  """
  def register(index_id, token, body) do
    do_register(index_id, token, Funnel.Uuid.generate, body)
  end

  @doc """
