Bacnet modules doesn't need to be a GenServer

lib/bacnet.ex

@@ -3,25 +3,13 @@ defmodule Bacnet do
   BACNet client.
   """
 
-  use GenServer
-
   require Logger
 
-  @spec start_link(any) :: GenServer.on_start()
-  def start_link(_opts) do
-    GenServer.start_link(__MODULE__, nil, name: __MODULE__)
-  end
-
   @spec add_device(device :: term) :: :ok | {:error, term}
   def add_device(device) do
     GenServer.call({:global, :bacnetd}, {:add_device, device})
   end
 
-  @impl GenServer
-  def init(_) do
-    {:ok, nil}
-  end
-
   @doc false
   defdelegate ei_log(level, term), to: Logger, as: :log
 end

lib/bacnet/application.ex

@@ -13,7 +13,6 @@ defmodule Bacnet.Application do
 
   defp children() do
     [
-      {Bacnet, nil},
       {MuonTrap.Daemon, [bacnetd_exec(), bacnetd_args(), []]}
     ]
   end