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 */