diff --git a/include/core/audio.h b/include/core/audio.h
index 19b2757e..1dabe0ce 100644
--- a/include/core/audio.h
+++ b/include/core/audio.h
@@ -23,9 +23,6 @@ struct audio_ops {
  * audio frameworks for audio playback.
  */
 class AudioDriver {
-protected:
-	void (*on_error) (); /**< Error handling callback function.  */
-
 public:
 	AudioDriver();  /**< Default AudioDriver constructor. */
 	virtual ~AudioDriver(); /**< AudioDriver destructor.          */