diff --git a/cpu/stm32f0/include/stm32f030x8.h b/cpu/stm32f0/include/stm32f030x8.h
index b57ca2d90f..72197c54ff 100644
--- a/cpu/stm32f0/include/stm32f030x8.h
+++ b/cpu/stm32f0/include/stm32f030x8.h
@@ -51,8 +51,8 @@
   * @{
   */
 
-#ifndef __STM32F030x8_H
-#define __STM32F030x8_H
+#ifndef STM32F030x8_H
+#define STM32F030x8_H
 
 #ifdef __cplusplus
  extern "C" {
@@ -5385,7 +5385,7 @@ typedef struct
 }
 #endif /* __cplusplus */
 
-#endif /* __STM32F030x8_H */
+#endif /* STM32F030x8_H */
 
 /**
   * @}
diff --git a/cpu/stm32f0/include/stm32f070xb.h b/cpu/stm32f0/include/stm32f070xb.h
index aeed4e23d3..89556ca5fa 100644
--- a/cpu/stm32f0/include/stm32f070xb.h
+++ b/cpu/stm32f0/include/stm32f070xb.h
@@ -51,8 +51,8 @@
   * @{
   */
 
-#ifndef __STM32F070xB_H
-#define __STM32F070xB_H
+#ifndef STM32F070xB_H
+#define STM32F070xB_H
 
 #ifdef __cplusplus
  extern "C" {
@@ -5749,7 +5749,7 @@ typedef struct
 }
 #endif /* __cplusplus */
 
-#endif /* __STM32F070xB_H */
+#endif /* STM32F070xB_H */
 
 /**
   * @}