diff --git a/src/groveloudness/groveloudness.cxx b/src/groveloudness/groveloudness.cxx
deleted file mode 100644
index d9df9e08..00000000
--- a/src/groveloudness/groveloudness.cxx
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Author: Jon Trulson <jtrulson@ics.com>
- * Copyright (c) 2014 Intel Corporation.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <iostream>
-#include <string>
-#include <stdexcept>
-
-#include "groveloudness.hpp"
-
-using namespace upm;
-
-GroveLoudness::GroveLoudness(int pin)
-{
-  if ( !(m_aio = mraa_aio_init(pin)) ) 
-    {
-      throw std::invalid_argument(std::string(__FUNCTION__) +
-                                  ": mraa_aio_init() failed, invalid pin?");
-      return;
-    }
-}
-
-GroveLoudness::~GroveLoudness()
-{
-  mraa_aio_close(m_aio);
-}
-
-int GroveLoudness::value()
-{
-  return mraa_aio_read(m_aio);
-}