diff --git a/Firmware/Filament_sensor.cpp b/Firmware/Filament_sensor.cpp
index c186d049e..b70ada3b3 100644
--- a/Firmware/Filament_sensor.cpp
+++ b/Firmware/Filament_sensor.cpp
@@ -8,6 +8,7 @@
 #include "language.h"
 #include "menu.h"
 #include "messages.h"
+#include "mmu2.h"
 #include "planner.h"
 #include "temperature.h"
 #include "ultralcd.h"
diff --git a/Firmware/Marlin.h b/Firmware/Marlin.h
index 6640f08a4..2ee72cf06 100755
--- a/Firmware/Marlin.h
+++ b/Firmware/Marlin.h
@@ -21,7 +21,6 @@
 #include "Configuration.h"
 #include "pins.h"
 #include "Timer.h"
-#include "mmu2.h"
 #include "printer_state.h"
 
 #ifndef AT90USB