diff --git a/drivers/include/lm75a-temp-sensor.h b/drivers/include/lm75a-temp-sensor.h
deleted file mode 100644
index d99452927b..0000000000
--- a/drivers/include/lm75a-temp-sensor.h
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Copyright (C) 2013 Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @defgroup    drivers_lm75a LM75A
- * @ingroup     drivers_sensors
- * @brief       Driver for the LM75A digital temperature sensor and thermal watchdog
- *
- * The connection between the MCU and the LM75A is based on the i2c-interface.
- *
- * @{
- *
- * @file
- * @internal
- * @brief       Definitions of the LM75A temperature sensor driver.
- *
- * The connection between the LM75A and the MCU is based on the I2C-interface.
- *
- * @author      Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
- */
-
-#ifndef LM75A_H
-#define LM75A_H
-
-#include <stdint.h>
-#include <math.h>
-#include "i2c.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @name LM75A register addresses
- * @{
- */
-#define LM75A_ADDR                      0x48
-#define LM75A_TEMPERATURE_REG           0x0
-#define LM75A_CONFIG_REG                0x1
-#define LM75A_THYST_REG                 0x2
-#define LM75A_OVER_TEMP_REG             0x3
-/** @} */
-
-/**
- * @brief Define the used I2C Interface
- */
-//#define LM75A_I2C_INTERFACE I2C0                // P0.27 SDA0, P0.28 SCL0
-#define LM75A_I2C_INTERFACE             I2C1_0    // P0.0  SDA1, P0.1  SCL1
-//#define LM75A_I2C_INTERFACE I2C1_1              // P0.19 SDA1, P0.20 SCL1
-//#define LM75A_I2C_INTERFACE I2C2                // P0.10 SDA2, P0.11 SCL2
-
-/**
- * @brief LM75A operation modes
- */
-enum OPERATION_MODES {
-    LM75A_NORMAL_OPERATION_MODE,
-    LM75A_SHUTDOWN_MODE,
-    LM75A_COMPARATOR_MODE,
-    LM75A_INTERRUPT_MODE
-};
-
-/**
- * @name Common definitions for LMA75A
- * @{
- */
-#define LM75A_BIT0                      0x0
-#define LM75A_BIT1                      0x1
-#define LM75A_BIT2                      0x2
-#define LM75A_BIT3                      0x3
-#define LM75A_BIT4                      0x4
-#define LM75A_BIT5                      0x5
-#define LM75A_BIT6                      0x6
-#define LM75A_BIT7                      0x7
-#define LM75A_BIT8                      0x8
-#define LM75A_BIT9                      0x9
-#define LM75A_BIT10                     0xA
-#define LM75A_BIT15                     0xF
-#define LM75A_MOST_SIG_BYTE_MASK        0xFF00
-#define LM75A_LEAST_SIG_BYTE_MASK       0x00FF
-#define LM75A_DATA_BITS_MASK            0x07FF
-#define LM75A_SIGN_BIT_MASK             (1<<LM75A_BIT10)
-#define LM75A_LSB_MASK                  0x1
-#define LM75A_EXTINT_MODE               0x1
-/** @} */
-
-/**
- * @name LM75A configuration register
- * @{
- */
-#define LM75A_ACTIVE_LOW                0
-#define LM75A_ACTIVE_HIGH               1
-#define LM75A_DEFAULT_CONFIG_VALUE      0
-/** @} */
-
-/**
- * @brief LM75A default values
- */
-enum DEFAULT_VALUES {
-    LM75A_DEFAULT_TOS = 80,
-    LM75A_DEFAULT_THYST = 75,
-    LM75A_DEFAULT_OPERATION = LM75A_NORMAL_OPERATION_MODE,
-    LM75A_DEFAULT_MODE = LM75A_COMPARATOR_MODE,
-    LM75A_DEFAULT_POLARITY = LM75A_ACTIVE_LOW,
-    LM75A_DEFAULT_FAULT_NUM = 1
-};
-
-/**
- * @name define inter-threads messages
- * @{
- */
-#define LM75A_EXIT_MSG                  0
-#define LM75A_SAMPLING_MSG              1
-#define LM75A_SLEEP_MSG                 2
-#define LM75A_WEAKUP_MSG                3
-/** @} */
-
-/**
- * @brief       Set the over-temperature shutdown threshold (TOS).
- *
- * @param[in] tos       the TOS value.
- *
- */
-void lm75A_set_over_temperature(float_t tos);
-
-
-/**
- * @brief       Set the hysteresis temperature.
- *
- * @param[in]  thsyt    the hysteresis value.
- *
- */
-void lm75A_set_hysteresis_temperature(float_t thsyt);
-
-
-/**
- * @brief       Set various operation modes of the temperature sensor.
- *              The LM75A provide four modes: normal, comparator, interrupt,
- *              and the shutdown mode.
- *              All these modes are defined in the lm75a-temp-sensor.h
- *
- * @param[in]  op_mode  the operation mode value: the normal, shutdown,
- *             comparator, or interrupt mode.
- *
- */
-void lm75A_set_operation_mode(uint8_t op_mode);
-
-
-/**
- * @brief       Get the content of the configuration register.
- *
- * @return the configuration register value.
- *
- */
-uint8_t lm75A_get_config_reg(void);
-
-
-/**
- * @brief       Get the adjusted hysteresis temperature.
- *
- * @return the content of the hysteresis register.
- *
- */
-float_t lm75A_get_hysteresis_temperature(void);
-
-
-/**
- * @brief       Get the adjusted over-temperature shutdown threshold (TOS).
- *
- * @return the content of the TOS-register.
- *
- */
-float_t lm75A_get_over_temperature(void);
-
-
-/**
- * @brief       Get the ambient temperature which is measured from the
- *              LM75A sensor.
- *
- * @return the content of the temperature register.
- *
- */
-float_t lm75A_get_ambient_temperature(void);
-
-
-/**
- * @brief       Set the LM75A sensor in the initial state.
- *              The temperature sensor has the following values in this state:
- *              config_register = 0; hyst_register = 75; the tos_reg = 80.
- *
- */
-void lm75A_reset(void);
-
-
-/**
- * @brief       Start a continuous sampling of the temperature values.
- *              This function prints the values of all registers over
- *              the rs232 interface.
- *
- * @param[in] extern_interrupt_task  pointer to an external task handler that
- *                                   is executed, if an external interrupt
- *                                   occurrs left. This is an optional
- *                                   parameter therefore NULL is a legal value.
- */
-void lm75A_start_sensor_sampling(void (*extern_interrupt_task)(void));
-
-
-/**
- * @brief       Register an interrupt handler for the external interrupt.
- *              Only the port0 and port2 are supported.
- *
- * @param[in] port              port number.
- * @param[in] pin_bit_mask      pin number in form of a bit mask: Pin0 --> BIT0,
- *                              Pin1 --> BIT1, Pin2 --> BIT2 = 2^2 = 4
- * @param[in] flags             define if the interrupt is generated on rising
- *                              or falling edge (#GPIOINT_RISING_EDGE,
- *                              #GPIOINT_FALLING_EDGE).
- * @param[in] handler           pointer to an interrupt handler.
- *
- * @return true if the the external interrupt handler is successfully
- *         registered, otherwise false.
- */
-bool lm75A_ext_irq_handler_register(int32_t port, uint32_t pin_bit_mask,
-                                    int32_t flags, void *handler);
-
-
-/**
- * @brief       Initialize the LM75A temperature sensor.
- *              The baud rate and the handler for the external interrupt can be
- *              initialized. The external interrupt handler is optional, if no
- *              handler is available, the NULL-value can be entered.
- *              The hysteresis and the over-temperature are displayed before and
- *              after a rest action is performed. After this the LM7A sensor is
- *              set in the interrupt or the comparator mode.
- *
- * @param[in] i2c_interface             the i2c interface, several interfaces
- *                                      can be selected: i2c0, i2c1 and i2c2.
- * @param[in] baud_rate                 the baud rate.
- * @param[in] external_interr_handler   pointer to a handler for the external
- *                                      interrupt.
- *
- * @return true if the I2C interface and the external interrupt handler are
- *         successfully initialized, otherwise false.
- */
-bool lm75A_init(uint8_t i2c_interface, uint32_t baud_rate,
-                void *external_interr_handler);
-
-
-/**
- * @brief       Register the external interrupt handler for the over-temperature
- *              shutdown output.
- *
- * @param[in] handler   pointer to a handler for the external interrupts.
- *
- * @return true if the the external interrupt handler is successfully
- *         registered, otherwise false.
- */
-bool lm75A_external_interrupt_register(void *handler);
-
-
-/**
- * @brief       Alarm the sensor sampling task about an external interrupt.
- *
- * @param[in] b is true if an external interrupt is occurred, otherwise false.
- *
- */
-void lm75A_set_in_alarm(bool b);
-
-#ifdef __cplusplus
-}
-#endif
-
-/** @} */
-#endif /* LM75A_H */
diff --git a/drivers/lm75a/Makefile b/drivers/lm75a/Makefile
deleted file mode 100644
index 48422e909a..0000000000
--- a/drivers/lm75a/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-include $(RIOTBASE)/Makefile.base
diff --git a/drivers/lm75a/lm75a-temp-sensor.c b/drivers/lm75a/lm75a-temp-sensor.c
deleted file mode 100644
index 0c82e6337f..0000000000
--- a/drivers/lm75a/lm75a-temp-sensor.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * lm75a-temp-sensor.c - Driver for the LM75A temperature sensor based on the
- * i2c interface.
- *
- * Copyright (C) 2013 Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- *
- */
-
-/**
- * @file
- * @internal
- * @brief       Driver for the LM75A temperature sensor.
- *              The communication between the LM75A and the MCU is
- *              based on the i2c interface.
- *
- * @author      Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
- * @version     $Revision: 3855 $
- *
- * @note        $Id: lm75a-temp-sensor.c 3855 2013-09-05 13:53:49 kasmi $
- */
-
-#include <stdlib.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <string.h>
-#include <math.h>
-#include "msg.h"
-#include "thread.h"
-#include "lpc2387.h"
-#include "gpioint.h"
-#include "i2c.h"
-#include "lm75a-temp-sensor.h"
-#include "board.h"
-#include "xtimer.h"
-
-//declaration as volatile is important, otherwise no interrupt is triggered.
-volatile bool my_alarm = false;
-
-static uint16_t get_2s_complement(uint16_t num)
-{
-    return ~(num) + 1;
-}
-
-//Write: MC --> Sensor
-static void to_bytes(float_t f, uint8_t *buff)
-{
-    int32_t i = (int32_t)(f * 2);
-    buff[0] = (uint8_t)((i >> LM75A_BIT1) & 0xFF);//Most signif. byte
-    buff[1] = (uint8_t)((i & LM75A_BIT1) << LM75A_BIT7);//Least signif. byte
-}
-
-static uint16_t to_uint16(uint8_t *buff)
-{
-    if (buff != NULL) {
-        return (buff[0] << LM75A_BIT8) | buff[1];
-    }
-    else {
-        return UINT16_MAX;
-    }
-}
-
-//Read: Sensor --> MC
-volatile static float_t to_float(uint8_t reg_addr, uint16_t reg_value)
-{
-    uint16_t sign = reg_value & LM75A_SIGN_BIT_MASK;
-    float_t f_temp = 0.0;
-    float_t factor = 0.0;
-
-    switch (reg_addr) {
-        case LM75A_OVER_TEMP_REG:
-        case LM75A_THYST_REG:
-            factor = 0.5;
-            break;
-
-        case LM75A_TEMPERATURE_REG:
-            factor = 0.125;
-    }
-
-    if (sign) { //the number is negative
-        f_temp = (get_2s_complement(reg_value) & LM75A_DATA_BITS_MASK)
-                 * -factor;
-    }
-    else {   //the number is positive
-        f_temp = reg_value * factor;
-    }
-    return f_temp;
-}
-
-static void set_register(uint8_t i2c_interface, uint8_t reg_addr, float_t value)
-{
-    bool status = false;
-    uint8_t tx_buff[2];
-
-    switch (reg_addr) {
-        case LM75A_OVER_TEMP_REG:
-        case LM75A_THYST_REG:
-            to_bytes(value, tx_buff);
-            status = i2c_write(i2c_interface, LM75A_ADDR, reg_addr, tx_buff, 2);
-            break;
-
-        case LM75A_CONFIG_REG:
-            tx_buff[0] = (uint8_t) value;
-            status = i2c_write(i2c_interface, LM75A_ADDR, reg_addr, tx_buff, 1);
-    }
-
-    if (!status) {
-        puts(
-            "[lm75a_tempSensorI2C/lm75A_setRegister]: Slave is not ready !!\n");
-    }
-}
-
-void lm75A_set_over_temperature(float_t tos)
-{
-    set_register(LM75A_I2C_INTERFACE, LM75A_OVER_TEMP_REG, tos);
-}
-
-void lm75A_set_hysteresis_temperature(float_t thsyt)
-{
-    set_register(LM75A_I2C_INTERFACE, LM75A_THYST_REG, thsyt);
-}
-
-static uint16_t lm75A_get_register_value(uint8_t i2c_interface,
-        uint8_t reg_addr,
-        uint8_t reg_size)
-{
-    uint8_t rx_buff[reg_size];
-
-    i2c_clear_buffer(rx_buff, sizeof(rx_buff));
-    if ((reg_size > 0) && (reg_size < 3)) {
-        bool status = i2c_read(i2c_interface, LM75A_ADDR, reg_addr, rx_buff, sizeof(rx_buff));
-        if (!status) { //Slave is not ready
-            puts(
-                "[lm75a_tempSensorI2C/lm75A_getConfigReg]: Slave is not\
-                ready !\n");
-
-            if (reg_size < 2) {
-                return UCHAR_MAX;
-            }
-            else {
-                return UINT16_MAX;
-            }
-        }
-        else {   //Slave acknowledged
-            if (reg_size < 2) {
-                return rx_buff[0];
-            }
-            else {
-                return to_uint16(rx_buff);
-            }
-        }
-    }
-    else {
-        puts("the register size must be less than 2");
-        return UINT16_MAX;
-    }
-}
-
-uint8_t lm75A_get_config_reg(void)
-{
-    return lm75A_get_register_value(LM75A_I2C_INTERFACE, LM75A_CONFIG_REG, 1);
-}
-
-float_t lm75A_get_hysteresis_temperature(void)
-{
-    uint16_t hyst_reg_value = 0;
-    hyst_reg_value = lm75A_get_register_value(LM75A_I2C_INTERFACE,
-                     LM75A_THYST_REG, 2);
-    hyst_reg_value = (hyst_reg_value >> LM75A_BIT7);
-    return to_float(LM75A_THYST_REG, hyst_reg_value);
-}
-
-float_t lm75A_get_over_temperature(void)
-{
-    uint16_t over_temp = 0;
-
-    over_temp = lm75A_get_register_value(LM75A_I2C_INTERFACE,
-                                         LM75A_OVER_TEMP_REG, 2);
-    over_temp = (over_temp >> LM75A_BIT7);
-    return to_float(LM75A_OVER_TEMP_REG, over_temp);
-}
-
-float_t lm75A_get_ambient_temperature(void)
-{
-    uint16_t amb_temp = 0;
-    amb_temp = lm75A_get_register_value(LM75A_I2C_INTERFACE,
-                                        LM75A_TEMPERATURE_REG, 2);
-    amb_temp = (amb_temp >> LM75A_BIT5);
-    return to_float(LM75A_TEMPERATURE_REG, amb_temp);
-}
-
-void lm75A_reset(void)
-{
-    lm75A_set_over_temperature(LM75A_DEFAULT_TOS);
-    lm75A_set_hysteresis_temperature(LM75A_DEFAULT_THYST);
-    set_register(LM75A_I2C_INTERFACE, LM75A_CONFIG_REG,
-                 LM75A_DEFAULT_CONFIG_VALUE);
-}
-
-void lm75A_set_operation_mode(uint8_t op_mode)
-{
-    uint8_t config_reg = lm75A_get_config_reg();
-
-    switch (op_mode) {
-        case LM75A_NORMAL_OPERATION_MODE:
-            config_reg &= ~(1 << LM75A_BIT0);
-            break;
-
-        case LM75A_SHUTDOWN_MODE:
-            config_reg |= (1 << LM75A_BIT0);
-            break;
-
-        case LM75A_COMPARATOR_MODE:
-            config_reg &= ~(1 << LM75A_BIT1);
-            break;
-
-        case LM75A_INTERRUPT_MODE:
-            config_reg |= (1 << LM75A_BIT1);
-            break;
-
-        default:
-            config_reg &= ~(1 << LM75A_BIT0);
-    }
-    set_register(LM75A_I2C_INTERFACE, LM75A_CONFIG_REG, config_reg);
-}
-
-bool lm75A_ext_irq_handler_register(int32_t port, uint32_t pin_bit_mask,
-                                    int32_t flags, void *handler)
-{
-    return gpioint_set(port, pin_bit_mask, flags, handler);
-}
-
-bool lm75A_init(uint8_t i2c_interface, uint32_t baud_rate,
-                void *external_interr_handler)
-{
-    if (i2c_initialize(i2c_interface, (uint32_t) I2CMASTER, 0, baud_rate, NULL)
-        == false) { /* initialize I2C */
-        puts("fatal error happened in i2c_initialize()\n");
-        return false;
-    }
-    //i2c_enable_pull_up_resistor(i2c_interface);
-    i2c_disable_pull_up_resistor(i2c_interface);
-
-    if ((external_interr_handler != NULL)
-        && lm75A_ext_irq_handler_register(2, BIT3, GPIOINT_FALLING_EDGE,
-                                          external_interr_handler)) {
-        printf("# %-70s%10s\n", "External interrupt handler registration",
-               "...[OK]");
-    }
-    else {
-        printf("# %-70s%10s\n", "External interrupt handler registration",
-               "...[FAILED]");
-        return false;
-    }
-
-    puts("################## Before reset ##################");
-    printf("configReg = %u\n", lm75A_get_config_reg());
-    printf("hystTemp = %f\n", lm75A_get_hysteresis_temperature());
-    printf("overTemp = %f\n", lm75A_get_over_temperature());
-    lm75A_reset();
-
-    puts("\n################## After reset ##################");
-    printf("configRegInitial = %u\n", lm75A_get_config_reg());
-    printf("initialHystTemp = %f\n", lm75A_get_hysteresis_temperature());
-    printf("initialOverTemp = %f\n", lm75A_get_over_temperature());
-
-    puts("\n################## New configuration ##################");
-    // set the hysteresis temperature
-    lm75A_set_hysteresis_temperature(32.0);
-    printf("hystTemp = %f\n", lm75A_get_hysteresis_temperature());
-    lm75A_set_over_temperature(33.0);
-    printf("overTemp = %f\n", lm75A_get_over_temperature());
-
-    puts("\n################## Go to comparator mode ##################");
-    lm75A_set_operation_mode(LM75A_COMPARATOR_MODE);
-    printf("configReg = %u\n", lm75A_get_config_reg());
-    //  puts("\n################## Go to interrupt mode ##################");
-    //  lm75A_set_operation_mode(LM75A_INTERRUPT_MODE);
-    //  printf("configReg = %u\n", lm75A_get_config_reg());
-
-    return true;
-}
-
-void lm75A_set_in_alarm(bool b)
-{
-    my_alarm = b;
-}
-
-/*
- * Application entry point.
- */
-void lm75A_start_sensor_sampling(void (*handler)(void))
-{
-    /*
-     * Normal main() thread activity.
-     */
-    while (true) {
-        printf("amb_temp = %3.3f\n", lm75A_get_ambient_temperature());
-
-        if (my_alarm && (handler != NULL)) {
-            handler();
-            my_alarm = false;
-        }
-        xtimer_usleep(100000);
-        xtimer_usleep(100000);
-    }
-}