diff --git a/src/main/io/rc_controls.c b/src/main/io/rc_controls.c
index 2b026402a6..539780a36e 100644
--- a/src/main/io/rc_controls.c
+++ b/src/main/io/rc_controls.c
@@ -225,10 +225,6 @@ void processRcStickPositions(rxConfig_t *rxConfig, throttleStatus_e throttleStat
     }
 }
 
-#define MAX_AUX_CHANNEL_COUNT (MAX_SUPPORTED_RC_CHANNEL_COUNT - NON_AUX_CHANNEL_COUNT)
-
-#define IS_MODE_RANGE_USABLE(modeActivationCondition) (modeActivationCondition->rangeStartStep < modeActivationCondition->rangeEndStep)
-
 void updateActivatedModes(modeActivationCondition_t *modeActivationConditions)
 {
     rcModeActivationMask = 0; // FIXME implement, use rcData & modeActivationConditions
diff --git a/src/main/io/rc_controls.h b/src/main/io/rc_controls.h
index a8727197ec..4a95d33df4 100644
--- a/src/main/io/rc_controls.h
+++ b/src/main/io/rc_controls.h
@@ -110,9 +110,7 @@ typedef struct modeActivationCondition_s {
     uint8_t rangeEndStep;
 } modeActivationCondition_t;
 
-// sizeof(modeActivationCondition_t) * MAX_MODE_ACTIVATION_COUNT  = 4 * 40 = 160 bytes
-// sizeof(uint32_t) * CHECKBOX_ITEM_COUNT = 4 * 21 = 84
-
+#define IS_MODE_RANGE_USABLE(modeActivationCondition) (modeActivationCondition->rangeStartStep < modeActivationCondition->rangeEndStep)
 
 typedef struct controlRateConfig_s {
     uint8_t rcRate8;