diff --git a/mopidy/softwaremixer/mixer.py b/mopidy/softwaremixer/mixer.py
index b489730f..a589ff76 100644
--- a/mopidy/softwaremixer/mixer.py
+++ b/mopidy/softwaremixer/mixer.py
@@ -16,7 +16,6 @@ class SoftwareMixer(pykka.ThreadingActor, mixer.Mixer):
 
     def __init__(self, config, audio):
         super(SoftwareMixer, self).__init__()
-        self.config = config
         self.audio = audio
 
         logger.info('Mixing using GStreamer software mixing')