diff --git a/libraries/audio/src/AudioInjector.h b/libraries/audio/src/AudioInjector.h
index fdc81a72a4..beff33a9ef 100644
--- a/libraries/audio/src/AudioInjector.h
+++ b/libraries/audio/src/AudioInjector.h
@@ -18,8 +18,6 @@
 #include "AudioInjectorOptions.h"
 #include "Sound.h"
 
-class AbstractAudioInterface;
-
 class AudioInjector : public QObject {
     Q_OBJECT
 public: