3 files changed, 9 insertions, 9 deletions
diff --git a/os/common/ports/AVR/chcore.h b/os/common/ports/AVR/chcore.h
index 175c00e19..823b38d8c 100644
--- a/os/common/ports/AVR/chcore.h
+++ b/os/common/ports/AVR/chcore.h
@@ -27,8 +27,8 @@
  * @{
  */
 
-#ifndef _CHCORE_H_
-#define _CHCORE_H_
+#ifndef CHCORE_H
+#define CHCORE_H
 
 /*===========================================================================*/
 /* Module constants.                                                         */
@@ -525,6 +525,6 @@ static inline rtcnt_t port_rt_get_counter_value(void) {
 
 #endif /* !defined(_FROM_ASM_) */
 
-#endif /* _CHCORE_H_ */
+#endif /* CHCORE_H */
 
 /** @} */
diff --git a/os/common/ports/AVR/chcore_timer.h b/os/common/ports/AVR/chcore_timer.h
index 3d99af347..f1aaf1c73 100644
--- a/os/common/ports/AVR/chcore_timer.h
+++ b/os/common/ports/AVR/chcore_timer.h
@@ -25,8 +25,8 @@
  * @{
  */
 
-#ifndef _CHCORE_TIMER_H_
-#define _CHCORE_TIMER_H_
+#ifndef CHCORE_TIMER_H
+#define CHCORE_TIMER_H
 
 /* This is the only header in the HAL designed to be include-able alone.*/
 #include "hal_st.h"
@@ -119,6 +119,6 @@ static inline systime_t port_timer_get_alarm(void) {
   return stGetAlarm();
 }
 
-#endif /* _CHCORE_TIMER_H_ */
+#endif /* CHCORE_TIMER_H */
 
 /** @} */
diff --git a/os/common/ports/AVR/compilers/GCC/chtypes.h b/os/common/ports/AVR/compilers/GCC/chtypes.h
index 20aae8ce1..8222a3f8e 100644
--- a/os/common/ports/AVR/compilers/GCC/chtypes.h
+++ b/os/common/ports/AVR/compilers/GCC/chtypes.h
@@ -25,8 +25,8 @@
  * @{
  */
 
-#ifndef _CHTYPES_H_
-#define _CHTYPES_H_
+#ifndef CHTYPES_H
+#define CHTYPES_H
 
 #include <stddef.h>
 #include <stdint.h>
@@ -98,6 +98,6 @@ typedef uint8_t             ucnt_t;         /**< Generic unsigned counter.  */
  */
 #define ALIGNED_VAR(n) __attribute__((aligned(n)))
 
-#endif /* _CHTYPES_H_ */
+#endif /* CHTYPES_H */
 
 /** @} */