diff --git a/libraries/audio/src/AudioSourceTone.cpp b/libraries/audio/src/AudioSourceTone.cpp
deleted file mode 100644
index 80a6aed48e..0000000000
--- a/libraries/audio/src/AudioSourceTone.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-//
-//  AudioSourceTone.cpp
-//  hifi
-//
-//  Created by Craig Hansen-Sturm on 8/10/14.
-//  Copyright 2014 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-
-#include <assert.h>
-#include <math.h>
-#include <SharedUtil.h>
-#include "AudioRingBuffer.h"
-#include "AudioFormat.h"
-#include "AudioBuffer.h"
-#include "AudioSourceTone.h"
-
-uint32_t AudioSourceTone::_frameOffset = 0;