diff --git a/platypush/plugins/tts/google.py b/platypush/plugins/tts/google.py
index 9d76862e..b2283c41 100644
--- a/platypush/plugins/tts/google.py
+++ b/platypush/plugins/tts/google.py
@@ -107,9 +107,6 @@ class TtsGooglePlugin(Plugin):
 
         with tempfile.NamedTemporaryFile() as f:
             f.write(response.audio_content)
-
-            output = None
-            errors = []
             cmd = ['mplayer -ao alsa -really-quiet -noconsolecontrols {}'
                    .format(f.name)]