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diff --git a/peripheral/libupm/src/grovewfs/grovewfs.h b/peripheral/libupm/src/grovewfs/grovewfs.h
deleted file mode 100644
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--- a/peripheral/libupm/src/grovewfs/grovewfs.h
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@@ -1,140 +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 <string>
-#include <stdint.h>
-#include <sys/time.h>
-#include <mraa/gpio.h>
-
-namespace upm {
-
-  /**
-   * @brief Grove Water Flow Sensor library
-   * @defgroup grovewfs libupm-grovewfs
-   * @ingroup seeed gpio liquid eak
-   */
-
-  /**
-   * @library grovewfs
-   * @sensor grovewfs
-   * @comname Grove Water Flow Sensor
-   * @type liquid
-   * @man seeed
-   * @web http://www.seeedstudio.com/wiki/index.php?title=G1/2_Water_Flow_sensor
-   * @con gpio
-   * @kit eak
-
-   * @brief API for the Grove Water Flow Sensor
-   *
-   * This sensor is used to measure water flow in liters per
-   * minute (LPM). It incorporates a Hall Effect sensor. The UPM module
-   * defines an interrupt routine to be triggered on each low pulse,
-   * keeping count. This device requires a 10K pull-up resistor for
-   * the signal line (yellow wire). There is a schematic diagram on
-   * the SeeedStudio site (3/2015):
-   * http://www.seeedstudio.com/wiki/index.php?title=G1/2_Water_Flow_sensor
-   *
-   * However, be careful when wiring this up - the schematic appears to
-   * have a bug in it: the lower left connection of the signal line
-   * (yellow) to Vcc (red) should not be there. The sensor can work
-   * with this connection, but probably not for very long.
-   *
-   * @image html grovewfs.jpg
-   * @snippet grovewfs.cxx Interesting
-   */
-  class GroveWFS {
-  public:
-    /**
-     * Grove Water Flow sensor constructor
-     *
-     * @param pin Digital pin to use
-     */
-    GroveWFS(int pin);
-    /**
-     * GroveWFS destructor
-     */
-    ~GroveWFS();
-    /**
-     * Returns the number of milliseconds elapsed since initClock()
-     * was last called.
-     *
-     * @return Elapsed milliseconds
-     */
-    uint32_t getMillis();
-
-    /**
-     * Resets the clock
-     *
-     */
-    void initClock();
-
-    /**
-     * Resets the flow counter to 0. The flow counter should be
-     * stopped via stopFlowCounter() prior to calling this function.
-     *
-     */
-    void clearFlowCounter() { m_flowCounter = 0; };
-
-    /**
-     * Starts the flow counter
-     *
-     */
-    void startFlowCounter();
-
-    /**
-     * Stops the flow counter
-     *
-     */
-    void stopFlowCounter();
-
-    /**
-     * Gets the flow counter
-     *
-     * @return Flow counter
-     */
-    uint32_t flowCounter() { return m_flowCounter; };
-
-    /**
-     * Computes the flow rate in liters per minute (LPM)
-     *
-     * @return Computed flow rate
-     */
-    float flowRate();
-
-  private:
-    /**
-     * Flow interrupt service routine (ISR)
-     *
-     */
-    static void flowISR(void *ctx);
-
-    volatile uint32_t m_flowCounter;
-    struct timeval m_startTime;
-    mraa_gpio_context m_gpio;
-    bool m_isrInstalled;
-  };
-}
-
-