Pleroma.ReverseProxy: dialyzer errors

lib/pleroma/reverse_proxy.ex:225:pattern_match
The pattern can never match the type.

Pattern:
:done

Type:
{:ok, :no_duration_limit, :no_duration_limit}

lib/pleroma/reverse_proxy.ex:226:pattern_match
The pattern can never match the type.

Pattern:
{:error, _error}

Type:
{:ok, :no_duration_limit, :no_duration_limit}

lib/pleroma/reverse_proxy.ex:391:pattern_match
The pattern can never match the type.

Pattern:
__duration = nil, _max

Type:
integer(), _

lib/pleroma/reverse_proxy.ex

@@ -388,8 +388,6 @@ defmodule Pleroma.ReverseProxy do
 
   defp body_size_constraint(_, _), do: :ok
 
-  defp check_read_duration(nil = _duration, max), do: check_read_duration(@max_read_duration, max)
-
   defp check_read_duration(duration, max)
        when is_integer(duration) and is_integer(max) and max > 0 do
     if duration > max do
@@ -407,10 +405,6 @@ defmodule Pleroma.ReverseProxy do
     {:ok, previous_duration + duration}
   end
 
-  defp increase_read_duration(_) do
-    {:ok, :no_duration_limit, :no_duration_limit}
-  end
-
   defp client, do: Pleroma.ReverseProxy.Client.Wrapper
 
   defp track_failed_url(url, error, opts) do