diff --git a/drivers/include/cc110x_legacy/cc110x-arch.h b/drivers/include/cc110x_legacy/cc110x-arch.h
index ffbc9bb9d4..986ccf8546 100644
--- a/drivers/include/cc110x_legacy/cc110x-arch.h
+++ b/drivers/include/cc110x_legacy/cc110x-arch.h
@@ -16,8 +16,8 @@
  * @author      Heiko Will <hwill@inf.fu-berlin.de>
  */
 
-#ifndef __CC1100_ARCH_H
-#define __CC1100_ARCH_H
+#ifndef CC1100_ARCH_H
+#define CC1100_ARCH_H
 
 #include <stdint.h>
 
@@ -41,4 +41,4 @@ void cc110x_after_send(void);
 #endif
 
 /** @} */
-#endif /* __CC1100_ARCH_H */
+#endif /* CC1100_ARCH_H */
diff --git a/drivers/include/cc110x_legacy/cc110x-config.h b/drivers/include/cc110x_legacy/cc110x-config.h
index bc98e6869c..520f63c434 100644
--- a/drivers/include/cc110x_legacy/cc110x-config.h
+++ b/drivers/include/cc110x_legacy/cc110x-config.h
@@ -119,4 +119,4 @@ typedef struct cc110x_statistic {
 #endif
 
 /** @} */
-#endif /* __CC110X_CONFIG_H */
+#endif /* CC110X_CONFIG_H */
diff --git a/drivers/include/cc110x_legacy/cc110x-defaultSettings.h b/drivers/include/cc110x_legacy/cc110x-defaultSettings.h
index 5c6851f0dd..1a3f64aecb 100644
--- a/drivers/include/cc110x_legacy/cc110x-defaultSettings.h
+++ b/drivers/include/cc110x_legacy/cc110x-defaultSettings.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef __CC1100_DEFAULTSETTINGS_H
-#define __CC1100_DEFAULTSETTINGS_H
+#ifndef CC1100_DEFAULTSETTINGS_H
+#define CC1100_DEFAULTSETTINGS_H
 
 /**
  * @ingroup     drivers_cc110x_legacy
@@ -87,4 +87,4 @@ extern "C" {
 #endif
 
 /** @} */
-#endif /* __CC110X_DEFAULTSETTINGS_H */
+#endif /* CC110X_DEFAULTSETTINGS_H */
diff --git a/drivers/include/cc110x_legacy/cc110x-reg.h b/drivers/include/cc110x_legacy/cc110x-reg.h
index eb2a3203b6..3b4b71557a 100644
--- a/drivers/include/cc110x_legacy/cc110x-reg.h
+++ b/drivers/include/cc110x_legacy/cc110x-reg.h
@@ -17,8 +17,8 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef __CC110X_REG_H
-#define __CC110X_REG_H
+#ifndef CC110X_REG_H
+#define CC110X_REG_H
 
 #include <stdint.h>
 
@@ -97,4 +97,4 @@ uint8_t cc110x_strobe(uint8_t c);
 #endif
 
 /** @} */
-#endif /* __CC110X_REG_H */
+#endif /* CC110X_REG_H */
diff --git a/drivers/include/lps331ap.h b/drivers/include/lps331ap.h
index b732fd4ca5..3dd8d1bfc3 100644
--- a/drivers/include/lps331ap.h
+++ b/drivers/include/lps331ap.h
@@ -20,8 +20,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __LPS331AP_H
-#define __LPS331AP_H
+#ifndef LPS331AP_H
+#define LPS331AP_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -108,5 +108,5 @@ int lps331ap_disable(lps331ap_t *dev);
 }
 #endif
 
-#endif /* __LPS331AP_H */
+#endif /* LPS331AP_H */
 /** @} */
diff --git a/drivers/include/lsm303dlhc.h b/drivers/include/lsm303dlhc.h
index 50126b808f..28a60a438e 100644
--- a/drivers/include/lsm303dlhc.h
+++ b/drivers/include/lsm303dlhc.h
@@ -18,8 +18,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __LSM303DLHC_H
-#define __LSM303DLHC_H
+#ifndef LSM303DLHC_H
+#define LSM303DLHC_H
 
 #include <stdint.h>
 #include "periph/i2c.h"
@@ -213,5 +213,5 @@ int lsm303dlhc_disable(lsm303dlhc_t *dev);
 }
 #endif
 
-#endif /* __LSM303DLHC_H */
+#endif /* LSM303DLHC_H */
  /** @} */
diff --git a/drivers/include/ltc4150.h b/drivers/include/ltc4150.h
index 9565a944f5..757f8e8244 100644
--- a/drivers/include/ltc4150.h
+++ b/drivers/include/ltc4150.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef __LTC4150_H
-#define __LTC4150_H
+#ifndef LTC4150_H
+#define LTC4150_H
 
 #include "ltc4150_arch.h"
 
@@ -30,4 +30,4 @@ long ltc4150_get_intcount(void);
 }
 #endif
 
-#endif /* __LTC4150_H */
+#endif /* LTC4150_H */
diff --git a/drivers/include/mq3.h b/drivers/include/mq3.h
index bdc16a60eb..cd73aa480d 100644
--- a/drivers/include/mq3.h
+++ b/drivers/include/mq3.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __MQ3_H
-#define __MQ3_H
+#ifndef MQ3_H
+#define MQ3_H
 
 #include "periph/adc.h"
 
@@ -76,5 +76,5 @@ int mq3_read(mq3_t *dev);
 }
 #endif
 
-#endif /* __MQ3_H */
+#endif /* MQ3_H */
 /** @} */
diff --git a/drivers/include/netdev/802154.h b/drivers/include/netdev/802154.h
index b83e3e44af..e83afb4a1d 100644
--- a/drivers/include/netdev/802154.h
+++ b/drivers/include/netdev/802154.h
@@ -17,8 +17,8 @@
  *
  */
 
-#ifndef __NETDEV_802154_H_
-#define __NETDEV_802154_H_
+#ifndef NETDEV_802154_H_
+#define NETDEV_802154_H_
 
 #include <stdint.h>
 
@@ -422,7 +422,7 @@ netdev_802154_tx_status_t netdev_802154_send(netdev_t *dev,
 }
 #endif
 
-#endif /* __NETDEV_802154_H_ */
+#endif /* NETDEV_802154_H_ */
 
 /**
  * @}
diff --git a/drivers/include/netdev/base.h b/drivers/include/netdev/base.h
index a6a4bcff73..e20137014e 100644
--- a/drivers/include/netdev/base.h
+++ b/drivers/include/netdev/base.h
@@ -16,8 +16,8 @@
  * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
  */
 
-#ifndef __NETDEV_BASE_H_
-#define __NETDEV_BASE_H_
+#ifndef NETDEV_BASE_H_
+#define NETDEV_BASE_H_
 
 #include <errno.h>
 #include <stdint.h>
@@ -402,7 +402,7 @@ static inline void netdev_hlist_remove(netdev_hlist_t **list,
 }
 #endif
 
-#endif /* __NETDEV_BASE_H_ */
+#endif /* NETDEV_BASE_H_ */
 /**
  * @}
  */
diff --git a/drivers/include/netdev/default.h b/drivers/include/netdev/default.h
index fe538c1f8e..130628c65e 100644
--- a/drivers/include/netdev/default.h
+++ b/drivers/include/netdev/default.h
@@ -17,8 +17,8 @@
  * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
  */
 
-#ifndef __NETDEV_DEFAULT_H_
-#define __NETDEV_DEFAULT_H_
+#ifndef NETDEV_DEFAULT_H_
+#define NETDEV_DEFAULT_H_
 
 #include "netdev/base.h"
 
@@ -59,5 +59,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __NETDEV_DEFAULT_H_ */
+#endif /* NETDEV_DEFAULT_H_ */
 /** @} */
diff --git a/drivers/include/nrf24l01p.h b/drivers/include/nrf24l01p.h
index bbdad920d7..f515218254 100644
--- a/drivers/include/nrf24l01p.h
+++ b/drivers/include/nrf24l01p.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef __NRF24L01P_H
-#define __NRF24L01P_H
+#ifndef NRF24L01P_H
+#define NRF24L01P_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -583,5 +583,5 @@ void nrf24l01p_rx_cb(void *arg);
 }
 #endif
 
-#endif /* __NRF24L01P_H */
+#endif /* NRF24L01P_H */
 /** @} */
diff --git a/drivers/include/periph/adc.h b/drivers/include/periph/adc.h
index b7c0bb04b0..d6c841087b 100644
--- a/drivers/include/periph/adc.h
+++ b/drivers/include/periph/adc.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __ADC_H
-#define __ADC_H
+#ifndef ADC_H
+#define ADC_H
 
 #include "periph_conf.h"
 
@@ -141,5 +141,5 @@ float adc_mapf(adc_t dev, int value, float min, float max);
 }
 #endif
 
-#endif /* __ADC_H */
+#endif /* ADC_H */
 /** @} */
diff --git a/drivers/include/periph/cpuid.h b/drivers/include/periph/cpuid.h
index 2bd6e5e685..b7e38767aa 100644
--- a/drivers/include/periph/cpuid.h
+++ b/drivers/include/periph/cpuid.h
@@ -20,8 +20,8 @@
  * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
  */
 
-#ifndef __PERIPH_CPUID_H_
-#define __PERIPH_CPUID_H_
+#ifndef PERIPH_CPUID_H_
+#define PERIPH_CPUID_H_
 
 #include "cpu-conf.h"
 
@@ -51,7 +51,7 @@ void cpuid_get(void *id);
 }
 #endif
 
-#endif /* __PERIPH_CPUID_H_ */
+#endif /* PERIPH_CPUID_H_ */
 /**
  * @}
  */
diff --git a/drivers/include/periph/dac.h b/drivers/include/periph/dac.h
index 7aef465d64..b827ece489 100644
--- a/drivers/include/periph/dac.h
+++ b/drivers/include/periph/dac.h
@@ -18,8 +18,8 @@
  * @author      Simon Brummer <simon.brummer@haw-hamburg.de>
  */
 
-#ifndef __DAC_H
-#define __DAC_H
+#ifndef DAC_H
+#define DAC_H
 
 #include <stdint.h>
 #include "periph_conf.h"
@@ -148,5 +148,5 @@ uint16_t dac_mapf(dac_t dev, float value, float min, float max);
 #ifdef __cplusplus
 }
 #endif
-#endif /* __DAC_H */
+#endif /* DAC_H */
 /** @} */
diff --git a/drivers/include/periph/gpio.h b/drivers/include/periph/gpio.h
index 40a0fb3f74..6d02fe3b55 100644
--- a/drivers/include/periph/gpio.h
+++ b/drivers/include/periph/gpio.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __GPIO_H
-#define __GPIO_H
+#ifndef GPIO_H
+#define GPIO_H
 
 #include "periph_conf.h"
 
@@ -259,5 +259,5 @@ void gpio_write(gpio_t dev, int value);
 }
 #endif
 
-#endif /* __GPIO_H */
+#endif /* GPIO_H */
 /** @} */
diff --git a/drivers/include/periph/i2c.h b/drivers/include/periph/i2c.h
index a44c7ea665..552f1fdd10 100644
--- a/drivers/include/periph/i2c.h
+++ b/drivers/include/periph/i2c.h
@@ -49,8 +49,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __I2C_H
-#define __I2C_H
+#ifndef I2C_H
+#define I2C_H
 
 #include <stdint.h>
 
@@ -267,5 +267,5 @@ void i2c_poweroff(i2c_t dev);
 }
 #endif
 
-#endif /* __I2C_H */
+#endif /* I2C_H */
 /** @} */
diff --git a/drivers/include/periph/pwm.h b/drivers/include/periph/pwm.h
index 14b492cf96..15b7792b3e 100644
--- a/drivers/include/periph/pwm.h
+++ b/drivers/include/periph/pwm.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PWM_H
-#define __PWM_H
+#ifndef PWM_H
+#define PWM_H
 
 #include "periph_conf.h"
 
@@ -137,5 +137,5 @@ void pwm_poweroff(pwm_t dev);
 }
 #endif
 
-#endif /* __PWM_H */
+#endif /* PWM_H */
 /** @} */
diff --git a/drivers/include/periph/random.h b/drivers/include/periph/random.h
index c0b4823dd9..7eb587d961 100644
--- a/drivers/include/periph/random.h
+++ b/drivers/include/periph/random.h
@@ -26,8 +26,8 @@
  * @author      Christian Mehlis <mehlis@inf.fu-berlin.de>
  */
 
-#ifndef __RANDOM_H
-#define __RANDOM_H
+#ifndef RANDOM_H
+#define RANDOM_H
 
 #include "periph_conf.h"
 
@@ -77,5 +77,5 @@ void random_poweroff(void);
 }
 #endif
 
-#endif /* __RANDOM_H */
+#endif /* RANDOM_H */
 /** @} */
diff --git a/drivers/include/periph/rtc.h b/drivers/include/periph/rtc.h
index 1451439c3d..9e336043ad 100644
--- a/drivers/include/periph/rtc.h
+++ b/drivers/include/periph/rtc.h
@@ -23,8 +23,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __RTC_H
-#define __RTC_H
+#ifndef RTC_H
+#define RTC_H
 
 #include <time.h>
 #include "periph_conf.h"
@@ -114,5 +114,5 @@ void rtc_poweroff(void);
 }
 #endif
 
-#endif /* __RTC_H */
+#endif /* RTC_H */
 /** @} */
diff --git a/drivers/include/periph/rtt.h b/drivers/include/periph/rtt.h
index 8ed18cb0f5..b41cc20f7f 100644
--- a/drivers/include/periph/rtt.h
+++ b/drivers/include/periph/rtt.h
@@ -20,8 +20,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __RTT_H
-#define __RTT_H
+#ifndef RTT_H
+#define RTT_H
 
 #include "periph_conf.h"
 
@@ -111,5 +111,5 @@ void rtt_poweroff(void);
 }
 #endif
 
-#endif /* __RTT_H */
+#endif /* RTT_H */
 /** @} */
diff --git a/drivers/include/periph/spi.h b/drivers/include/periph/spi.h
index 2dc520f561..786c161abe 100644
--- a/drivers/include/periph/spi.h
+++ b/drivers/include/periph/spi.h
@@ -22,8 +22,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __SPI_H
-#define __SPI_H
+#ifndef SPI_H
+#define SPI_H
 
 #include "periph_conf.h"
 
@@ -252,5 +252,5 @@ void spi_poweroff(spi_t dev);
 }
 #endif
 
-#endif /* __SPI_H */
+#endif /* SPI_H */
 /** @} */
diff --git a/drivers/include/periph/timer.h b/drivers/include/periph/timer.h
index 475bb20571..1f51040166 100644
--- a/drivers/include/periph/timer.h
+++ b/drivers/include/periph/timer.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __TIMER_H
-#define __TIMER_H
+#ifndef TIMER_H
+#define TIMER_H
 
 #include "periph_conf.h"
 
@@ -151,5 +151,5 @@ void timer_reset(tim_t dev);
 }
 #endif
 
-#endif /* __TIMER_H */
+#endif /* TIMER_H */
 /** @} */
diff --git a/drivers/include/periph/uart.h b/drivers/include/periph/uart.h
index 1ef0e4945c..c964858943 100644
--- a/drivers/include/periph/uart.h
+++ b/drivers/include/periph/uart.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_UART_H
-#define __PERIPH_UART_H
+#ifndef PERIPH_UART_H
+#define PERIPH_UART_H
 
 #include <stdint.h>
 
@@ -179,5 +179,5 @@ void uart_poweroff(uart_t uart);
 }
 #endif
 
-#endif /* __PERIPH_UART_H */
+#endif /* PERIPH_UART_H */
 /** @} */
diff --git a/drivers/include/pir.h b/drivers/include/pir.h
index a0f25dcf4f..bfa70697e6 100644
--- a/drivers/include/pir.h
+++ b/drivers/include/pir.h
@@ -18,8 +18,8 @@
  * @author      Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
  */
 
-#ifndef __PIR_H
-#define __PIR_H
+#ifndef PIR_H
+#define PIR_H
 
 #include "kernel_types.h"
 #include "periph/gpio.h"
@@ -92,5 +92,5 @@ int pir_register_thread(pir_t *dev);
 }
 #endif
 
-#endif /* __PIR_H */
+#endif /* PIR_H */
 /** @} */
diff --git a/drivers/include/rgbled.h b/drivers/include/rgbled.h
index f3ea0b3740..c53cd63bb0 100644
--- a/drivers/include/rgbled.h
+++ b/drivers/include/rgbled.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __RGBLED_H
-#define __RGBLED_H
+#ifndef RGBLED_H
+#define RGBLED_H
 
 #include "color.h"
 #include "periph/pwm.h"
@@ -62,5 +62,5 @@ void rgbled_set(rgbled_t *led, color_rgb_t *color);
 }
 #endif
 
-#endif /* __RGBLED_H */
+#endif /* RGBLED_H */
 /** @} */
diff --git a/drivers/include/servo.h b/drivers/include/servo.h
index 6d0a9d03cc..3ab000786f 100644
--- a/drivers/include/servo.h
+++ b/drivers/include/servo.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __SERVO_H
-#define __SERVO_H
+#ifndef SERVO_H
+#define SERVO_H
 
 #include "periph/pwm.h"
 
@@ -89,5 +89,5 @@ int servo_set(servo_t *dev, unsigned int pos);
 }
 #endif
 
-#endif /* __SERVO_H */
+#endif /* SERVO_H */
 /** @} */
diff --git a/drivers/l3g4200d/include/l3g4200d-regs.h b/drivers/l3g4200d/include/l3g4200d-regs.h
index b269098f50..736d134a0f 100644
--- a/drivers/l3g4200d/include/l3g4200d-regs.h
+++ b/drivers/l3g4200d/include/l3g4200d-regs.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __L3G4200D_REGS_H
-#define __L3G4200D_REGS_H
+#ifndef L3G4200D_REGS_H
+#define L3G4200D_REGS_H
 
 
 #ifdef __cplusplus
@@ -90,5 +90,5 @@
 }
 #endif
 
-#endif /* __L3G4200D_REGS_H */
+#endif /* L3G4200D_REGS_H */
 /** @} */
diff --git a/drivers/lps331ap/include/lps331ap-internal.h b/drivers/lps331ap/include/lps331ap-internal.h
index ee109abf20..fc77a8592b 100644
--- a/drivers/lps331ap/include/lps331ap-internal.h
+++ b/drivers/lps331ap/include/lps331ap-internal.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __LPS331AP_INTERNAL_H
-#define __LPS331AP_INTERNAL_H
+#ifndef LPS331AP_INTERNAL_H
+#define LPS331AP_INTERNAL_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -66,5 +66,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __LPS331AP_INTERNAL_H */
+#endif /* LPS331AP_INTERNAL_H */
 /** @} */
diff --git a/drivers/lsm303dlhc/include/lsm303dlhc-internal.h b/drivers/lsm303dlhc/include/lsm303dlhc-internal.h
index ff4526e6a6..d25ab71a26 100644
--- a/drivers/lsm303dlhc/include/lsm303dlhc-internal.h
+++ b/drivers/lsm303dlhc/include/lsm303dlhc-internal.h
@@ -17,8 +17,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __LSM303DLHC_INTERNAL_H
-#define __LSM303DLHC_INTERNAL_H
+#ifndef LSM303DLHC_INTERNAL_H
+#define LSM303DLHC_INTERNAL_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -174,5 +174,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __LSM303DLHC_INTERNAL_H */
+#endif /* LSM303DLHC_INTERNAL_H */
 /** @} */
diff --git a/drivers/mag3110/include/mag3110_reg.h b/drivers/mag3110/include/mag3110_reg.h
index 928ba2c4d0..81311aa3c4 100644
--- a/drivers/mag3110/include/mag3110_reg.h
+++ b/drivers/mag3110/include/mag3110_reg.h
@@ -18,8 +18,8 @@
  *
  */
 
-#ifndef __MAG3110_REG_H__
-#define __MAG3110_REG_H__
+#ifndef MAG3110_REG_H
+#define MAG3110_REG_H
 
 #ifdef __cplusplus
 extern "C"
diff --git a/drivers/mma8652/include/mma8652_reg.h b/drivers/mma8652/include/mma8652_reg.h
index fe3ed7a2a4..8ab89844e0 100644
--- a/drivers/mma8652/include/mma8652_reg.h
+++ b/drivers/mma8652/include/mma8652_reg.h
@@ -18,8 +18,8 @@
  *
  */
 
-#ifndef __MMA8652_REG_H__
-#define __MMA8652_REG_H__
+#ifndef MMA8652_REG_H
+#define MMA8652_REG_H
 
 #ifdef __cplusplus
 extern "C"
diff --git a/drivers/mpl3115a2/include/mpl3115a2_reg.h b/drivers/mpl3115a2/include/mpl3115a2_reg.h
index 5f89a570ac..d9a77106a7 100644
--- a/drivers/mpl3115a2/include/mpl3115a2_reg.h
+++ b/drivers/mpl3115a2/include/mpl3115a2_reg.h
@@ -18,8 +18,8 @@
  *
  */
 
-#ifndef __MPL3115A2_REG_H__
-#define __MPL3115A2_REG_H__
+#ifndef MPL3115A2_REG_H
+#define MPL3115A2_REG_H
 
 #ifdef __cplusplus
 extern "C"
diff --git a/drivers/nrf24l01p/include/nrf24l01p_settings.h b/drivers/nrf24l01p/include/nrf24l01p_settings.h
index 01182d571f..0a762378e7 100644
--- a/drivers/nrf24l01p/include/nrf24l01p_settings.h
+++ b/drivers/nrf24l01p/include/nrf24l01p_settings.h
@@ -19,8 +19,8 @@
  * @}
  */
 
-#ifndef __NRF24L01P_SETTINGS_H
-#define __NRF24L01P_SETTINGS_H
+#ifndef NRF24L01P_SETTINGS_H
+#define NRF24L01P_SETTINGS_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -127,4 +127,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __NRF24L01P_SETTINGS_H */
+#endif /* NRF24L01P_SETTINGS_H */