diff --git a/Firmware/variants/obsolete/1_75mm_MK2-RAMBo10a-E3Dv6full.h b/Firmware/variants/obsolete/1_75mm_MK2-RAMBo10a-E3Dv6full.h
index f3f94cf39..e7bee2cea 100644
--- a/Firmware/variants/obsolete/1_75mm_MK2-RAMBo10a-E3Dv6full.h
+++ b/Firmware/variants/obsolete/1_75mm_MK2-RAMBo10a-E3Dv6full.h
@@ -180,14 +180,6 @@ CHANGE FILAMENT SETTINGS
 ADDITIONAL FEATURES SETTINGS
 *------------------------------------*/
 
-// Define Prusa filament runout sensor
-//#define FILAMENT_RUNOUT_SUPPORT
-
-#ifdef FILAMENT_RUNOUT_SUPPORT
-#define FILAMENT_RUNOUT_SENSOR 1
-#define FILAMENT_RUNOUT_SCRIPT "M600"
-#endif
-
 // temperature runaway
 #define TEMP_RUNAWAY_BED_HYSTERESIS 5
 #define TEMP_RUNAWAY_BED_TIMEOUT 360
diff --git a/Firmware/variants/obsolete/1_75mm_MK2-RAMBo13a-E3Dv6full.h b/Firmware/variants/obsolete/1_75mm_MK2-RAMBo13a-E3Dv6full.h
index a5af91404..788ab7906 100644
--- a/Firmware/variants/obsolete/1_75mm_MK2-RAMBo13a-E3Dv6full.h
+++ b/Firmware/variants/obsolete/1_75mm_MK2-RAMBo13a-E3Dv6full.h
@@ -179,14 +179,6 @@ CHANGE FILAMENT SETTINGS
 ADDITIONAL FEATURES SETTINGS
 *------------------------------------*/
 
-// Define Prusa filament runout sensor
-//#define FILAMENT_RUNOUT_SUPPORT
-
-#ifdef FILAMENT_RUNOUT_SUPPORT
-#define FILAMENT_RUNOUT_SENSOR 1
-#define FILAMENT_RUNOUT_SCRIPT "M600"
-#endif
-
 // temperature runaway
 #define TEMP_RUNAWAY_BED_HYSTERESIS 5
 #define TEMP_RUNAWAY_BED_TIMEOUT 360