diff --git a/mopidy/backends/local/__init__.py b/mopidy/backends/local/__init__.py
index 5d6ab8e1..363c1b36 100644
--- a/mopidy/backends/local/__init__.py
+++ b/mopidy/backends/local/__init__.py
@@ -5,7 +5,6 @@ import os
 import shutil
 
 from pykka.actor import ThreadingActor
-from pykka.registry import ActorRegistry
 
 from mopidy import audio, core, settings
 from mopidy.backends import base
diff --git a/mopidy/backends/spotify/__init__.py b/mopidy/backends/spotify/__init__.py
index fccdd3f1..d41c70b4 100644
--- a/mopidy/backends/spotify/__init__.py
+++ b/mopidy/backends/spotify/__init__.py
@@ -1,7 +1,6 @@
 import logging
 
 from pykka.actor import ThreadingActor
-from pykka.registry import ActorRegistry
 
 from mopidy import audio, core, settings
 from mopidy.backends import base
diff --git a/mopidy/backends/spotify/session_manager.py b/mopidy/backends/spotify/session_manager.py
index 382f65f6..9fb6adcb 100644
--- a/mopidy/backends/spotify/session_manager.py
+++ b/mopidy/backends/spotify/session_manager.py
@@ -4,8 +4,6 @@ import threading
 
 from spotify.manager import SpotifySessionManager as PyspotifySessionManager
 
-from pykka.registry import ActorRegistry
-
 from mopidy import audio, get_version, settings
 from mopidy.backends.base import Backend
 from mopidy.backends.spotify import BITRATES