diff --git a/lib/nostrum/voice.ex b/lib/nostrum/voice.ex
index d72cd1d0f..2e813a7e0 100644
--- a/lib/nostrum/voice.ex
+++ b/lib/nostrum/voice.ex
@@ -553,7 +553,7 @@ defmodule Nostrum.Voice do
     voice = get_voice(guild_id)
 
     if VoiceState.ready_for_rtp?(voice) do
-      Audio.send_frames(frames, voice)
+      {_voice, _done?} = Audio.send_frames(frames, voice)
       :ok
     else
       {:error, "Must be connected to voice channel to send frames."}
@@ -573,7 +573,7 @@ defmodule Nostrum.Voice do
 
     cond do
       VoiceState.ready_for_ws?(voice) ->
-        VoiceSupervisor.create_session(voice)
+        {:ok, _pid} = VoiceSupervisor.create_session(voice)
         :ok
 
       is_nil(voice) ->
diff --git a/lib/nostrum/voice/audio.ex b/lib/nostrum/voice/audio.ex
index ab43b147a..8ea92dc84 100644
--- a/lib/nostrum/voice/audio.ex
+++ b/lib/nostrum/voice/audio.ex
@@ -118,15 +118,15 @@ defmodule Nostrum.Voice.Audio do
     wait = if(init?, do: Application.get_env(:nostrum, :audio_timeout, 20_000), else: 500)
     {:ok, watchdog} = :timer.apply_after(wait, __MODULE__, :on_stall, [voice, self()])
 
-    {voice, done} =
+    {voice, done?} =
       voice
       |> get_source()
       |> Enum.take(frames_per_burst())
       |> send_frames(voice)
 
-    :timer.cancel(watchdog)
+    {:ok, :cancel} = :timer.cancel(watchdog)
 
-    if done,
+    if done?,
       do: on_complete(voice, init?),
       else: voice
   end
@@ -136,12 +136,13 @@ defmodule Nostrum.Voice.Audio do
   def send_frames(frames, %VoiceState{} = voice) do
     voice =
       Enum.reduce(frames, voice, fn f, v ->
-        :gen_udp.send(
-          v.udp_socket,
-          v.ip |> ip_to_tuple(),
-          v.port,
-          encrypt_packet(v, f)
-        )
+        :ok =
+          :gen_udp.send(
+            v.udp_socket,
+            v.ip |> ip_to_tuple(),
+            v.port,
+            encrypt_packet(v, f)
+          )
 
         %{
           v
diff --git a/lib/nostrum/voice/ports.ex b/lib/nostrum/voice/ports.ex
index 6fa280f55..fa9ca1d2a 100644
--- a/lib/nostrum/voice/ports.ex
+++ b/lib/nostrum/voice/ports.ex
@@ -22,8 +22,6 @@ defmodule Nostrum.Voice.Ports do
     end
   end
 
-  alias Nostrum.Voice.Ports.State
-
   require Logger
 
   use GenServer
@@ -41,7 +39,7 @@ defmodule Nostrum.Voice.Ports do
 
     # Spawn process to asynchronously send input to port
     unless is_nil(input) do
-      Task.start(fn -> send_input(port, input) end)
+      {:ok, _pid} = Task.start(fn -> send_input(port, input) end)
     end
 
     # Store reference if input is another process