diff --git a/os/hal/ports/LPC/LPC214x/hal_lld.h b/os/hal/ports/LPC/LPC214x/hal_lld.h
index eee898355..bc4b62e1f 100644
--- a/os/hal/ports/LPC/LPC214x/hal_lld.h
+++ b/os/hal/ports/LPC/LPC214x/hal_lld.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _HAL_LLD_H_
-#define _HAL_LLD_H_
+#ifndef HAL_LLD_H
+#define HAL_LLD_H
 
 #include "lpc214x.h"
 #include "vic.h"
@@ -78,6 +78,6 @@ extern "C" {
 }
 #endif
 
-#endif /* _HAL_LLD_H_ */
+#endif /* HAL_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/LPC/LPC214x/pal_lld.c b/os/hal/ports/LPC/LPC214x/hal_pal_lld.c
similarity index 100%
rename from os/hal/ports/LPC/LPC214x/pal_lld.c
rename to os/hal/ports/LPC/LPC214x/hal_pal_lld.c
diff --git a/os/hal/ports/LPC/LPC214x/pal_lld.h b/os/hal/ports/LPC/LPC214x/hal_pal_lld.h
similarity index 95%
rename from os/hal/ports/LPC/LPC214x/pal_lld.h
rename to os/hal/ports/LPC/LPC214x/hal_pal_lld.h
index 6db14eed7..5039f3813 100644
--- a/os/hal/ports/LPC/LPC214x/pal_lld.h
+++ b/os/hal/ports/LPC/LPC214x/hal_pal_lld.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _PAL_LLD_H_
-#define _PAL_LLD_H_
+#ifndef HAL_PAL_LLD_H
+#define HAL_PAL_LLD_H
 
 #if HAL_USE_PAL || defined(__DOXYGEN__)
 
@@ -256,6 +256,6 @@ extern "C" {
 
 #endif /* HAL_USE_PAL */
 
-#endif /* _PAL_LLD_H_ */
+#endif /* HAL_PAL_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/LPC/LPC214x/serial_lld.c b/os/hal/ports/LPC/LPC214x/hal_serial_lld.c
similarity index 100%
rename from os/hal/ports/LPC/LPC214x/serial_lld.c
rename to os/hal/ports/LPC/LPC214x/hal_serial_lld.c
diff --git a/os/hal/ports/LPC/LPC214x/serial_lld.h b/os/hal/ports/LPC/LPC214x/hal_serial_lld.h
similarity index 96%
rename from os/hal/ports/LPC/LPC214x/serial_lld.h
rename to os/hal/ports/LPC/LPC214x/hal_serial_lld.h
index 43723167e..7e60615bf 100644
--- a/os/hal/ports/LPC/LPC214x/serial_lld.h
+++ b/os/hal/ports/LPC/LPC214x/hal_serial_lld.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _SERIAL_LLD_H_
-#define _SERIAL_LLD_H_
+#ifndef HAL_SERIAL_LLD_H
+#define HAL_SERIAL_LLD_H
 
 #if HAL_USE_SERIAL || defined(__DOXYGEN__)
 
@@ -158,6 +158,6 @@ extern "C" {
 
 #endif /* HAL_USE_SERIAL */
 
-#endif /* _SERIAL_LLD_H_ */
+#endif /* HAL_SERIAL_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/LPC/LPC214x/spi_lld.c b/os/hal/ports/LPC/LPC214x/hal_spi_lld.c
similarity index 100%
rename from os/hal/ports/LPC/LPC214x/spi_lld.c
rename to os/hal/ports/LPC/LPC214x/hal_spi_lld.c
diff --git a/os/hal/ports/LPC/LPC214x/spi_lld.h b/os/hal/ports/LPC/LPC214x/hal_spi_lld.h
similarity index 95%
rename from os/hal/ports/LPC/LPC214x/spi_lld.h
rename to os/hal/ports/LPC/LPC214x/hal_spi_lld.h
index 4c20e8085..57dd92c97 100644
--- a/os/hal/ports/LPC/LPC214x/spi_lld.h
+++ b/os/hal/ports/LPC/LPC214x/hal_spi_lld.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _SPI_LLD_H_
-#define _SPI_LLD_H_
+#ifndef HAL_SPI_LLD_H
+#define HAL_SPI_LLD_H
 
 #if HAL_USE_SPI || defined(__DOXYGEN__)
 
@@ -202,6 +202,6 @@ extern "C" {
 
 #endif /* HAL_USE_SPI */
 
-#endif /* _SPI_LLD_H_ */
+#endif /* HAL_SPI_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/LPC/LPC214x/st_lld.c b/os/hal/ports/LPC/LPC214x/hal_st_lld.c
similarity index 100%
rename from os/hal/ports/LPC/LPC214x/st_lld.c
rename to os/hal/ports/LPC/LPC214x/hal_st_lld.c
diff --git a/os/hal/ports/LPC/LPC214x/st_lld.h b/os/hal/ports/LPC/LPC214x/hal_st_lld.h
similarity index 94%
rename from os/hal/ports/LPC/LPC214x/st_lld.h
rename to os/hal/ports/LPC/LPC214x/hal_st_lld.h
index 0554cdfc3..1d4beb59f 100644
--- a/os/hal/ports/LPC/LPC214x/st_lld.h
+++ b/os/hal/ports/LPC/LPC214x/hal_st_lld.h
@@ -24,8 +24,8 @@
  * @{
  */
 
-#ifndef _ST_LLD_H_
-#define _ST_LLD_H_
+#ifndef HAL_ST_LLD_H
+#define HAL_ST_LLD_H
 
 #include "mcuconf.h"
 
@@ -144,6 +144,6 @@ static inline bool st_lld_is_alarm_active(void) {
   return false;
 }
 
-#endif /* _ST_LLD_H_ */
+#endif /* HAL_ST_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/LPC/LPC214x/vic.h b/os/hal/ports/LPC/LPC214x/vic.h
index d13e79379..1961ae359 100644
--- a/os/hal/ports/LPC/LPC214x/vic.h
+++ b/os/hal/ports/LPC/LPC214x/vic.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _VIC_H_
-#define _VIC_H_
+#ifndef VIC_H
+#define VIC_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -34,6 +34,6 @@ extern "C" {
 }
 #endif
 
-#endif /* _VIC_H_ */
+#endif /* VIC_H */
 
 /** @} */