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diff --git a/peripheral/libupm/src/ht9170/ht9170.h b/peripheral/libupm/src/ht9170/ht9170.h
deleted file mode 100644
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--- a/peripheral/libupm/src/ht9170/ht9170.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Author: Jon Trulson <jtrulson@ics.com>
- * Copyright (c) 2015 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.
- */
-#pragma once
-
-#include <stdint.h>
-
-#include <mraa/gpio.h>
-
-namespace upm {
-  /**
-   * @brief HT9170 DTMF Decoder library
-   * @defgroup ht9170 libupm-ht9170
-   * @ingroup seeed gpio other
-   */
-
-  /**
-   * @library ht9170
-   * @sensor ht9170
-   * @comname HT9170 DTMF Decoder
-   * @altname HT9170B, HT9170D
-   * @type other
-   * @man seeed 
-   * @web http://www.seeedstudio.com/depot/DTMFDual-Tone-Multi-Frequency-Shield-p-1839.html
-   * @con gpio
-   *
-   * @brief API for the HT9170 DTMF Decoder
-   *
-   * This driver was developed using the DTMF (Dual-Tone
-   * Multi-Frequency) Shield by Seeed Studio*. It can decode DTMF signals presented at
-   * its audio input. It does not generate DTMF signals.
-   *
-   * @image html ht9170.jpg
-   * @snippet ht9170.cxx Interesting
-   */
-  class HT9170 {
-  public:
-
-    /**
-     * HT9170 constructor
-     *
-     * @param dr Data ready pin
-     * @param o1 Digital pin for data output 1
-     * @param o2 Digital pin for data output 2
-     * @param o3 Digital pin for data output 3
-     * @param o4 Digital pin for data output 4
-     */
-    HT9170(int dr, int o1, int o2, int o3, int o4);
-
-    /**
-     * HT9170 destructor
-     */
-    ~HT9170();
-
-    /**
-     * Checks to see if a DTMF number is ready to be read
-     *
-     * @return True if there is a digit available to decode
-     */
-    bool digitReady();
-
-    /**
-     * Decodes a digit and returns it
-     *
-     */
-    char decodeDigit();
-
-  private:
-    mraa_gpio_context m_dr;
-    mraa_gpio_context m_o1;
-    mraa_gpio_context m_o2;
-    mraa_gpio_context m_o3;
-    mraa_gpio_context m_o4;
-  };
-}
-
-