diff --git a/Firmware/backlight.cpp b/Firmware/backlight.cpp
index ae9122160..f5fccf046 100644
--- a/Firmware/backlight.cpp
+++ b/Firmware/backlight.cpp
@@ -1,12 +1,12 @@
 //backlight.cpp
-
-#include "backlight.h"
-#include "macros.h"
-#include <avr/eeprom.h>
 #include <Arduino.h>
+#include <avr/eeprom.h>
+#include "backlight.h"
 #include "eeprom.h"
-#include "pins.h"
 #include "fastio.h"
+#include "macros.h"
+#include "pins.h"
+#include "system_timer.h"
 #include "Timer.h"
 
 #ifdef LCD_BL_PIN
diff --git a/Firmware/backlight.h b/Firmware/backlight.h
index 7d1300b62..0050da7d9 100644
--- a/Firmware/backlight.h
+++ b/Firmware/backlight.h
@@ -3,8 +3,6 @@
 #define _BACKLIGHT_H
 
 #include <inttypes.h>
-#include "Marlin.h"
-#include "pins.h"
 
 enum Backlight_Mode
 {
diff --git a/Firmware/sound.cpp b/Firmware/sound.cpp
index 9630aacb7..5e1f00f36 100644
--- a/Firmware/sound.cpp
+++ b/Firmware/sound.cpp
@@ -1,11 +1,12 @@
-#include "sound.h"
-
-#include "Marlin.h"
-
-//#include <inttypes.h>
-//#include <avr/eeprom.h>
-//#include "eeprom.h"
+#include <Arduino.h>
 #include "backlight.h"
+#include "eeprom.h"
+#include "fastio.h"
+#include "pins.h"
+#include "sound.h"
+#include "system_timer.h"
+#include "Timer.h"
+
 
 
 //eSOUND_MODE eSoundMode=e_SOUND_MODE_LOUD;