diff --git a/libraries/RC_Channel/RC_Channel.h b/libraries/RC_Channel/RC_Channel.h
index 6a286b7e44..da7d5aa127 100644
--- a/libraries/RC_Channel/RC_Channel.h
+++ b/libraries/RC_Channel/RC_Channel.h
@@ -56,8 +56,6 @@ public:
     bool        within_min_dz() const;
 
     uint8_t     percent_input() const;
-    int16_t     pwm_to_range() const;
-    int16_t     pwm_to_range_dz(uint16_t dead_zone) const;
 
     static const struct AP_Param::GroupInfo var_info[];
 
@@ -358,6 +356,9 @@ private:
     int16_t pwm_to_angle() const;
     int16_t pwm_to_angle_dz(uint16_t dead_zone) const;
 
+    int16_t pwm_to_range() const;
+    int16_t pwm_to_range_dz(uint16_t dead_zone) const;
+
     // Structure used to detect and debounce switch changes
     struct {
         int8_t debounce_position = -1;