diff --git a/libraries/AP_Compass/AP_Compass.cpp b/libraries/AP_Compass/AP_Compass.cpp
index 877ceb53eb..69239ecbbc 100644
--- a/libraries/AP_Compass/AP_Compass.cpp
+++ b/libraries/AP_Compass/AP_Compass.cpp
@@ -1724,12 +1724,6 @@ uint8_t Compass::get_num_enabled(void) const
     return count;
 }
 
-void
-Compass::set_use_for_yaw(uint8_t i, bool use)
-{
-    _use_for_yaw[Priority(i)].set(use);
-}
-
 void
 Compass::set_declination(float radians, bool save_to_eeprom)
 {
diff --git a/libraries/AP_Compass/AP_Compass.h b/libraries/AP_Compass/AP_Compass.h
index 3dbb679306..bb795ab588 100644
--- a/libraries/AP_Compass/AP_Compass.h
+++ b/libraries/AP_Compass/AP_Compass.h
@@ -212,8 +212,6 @@ public:
     bool use_for_yaw(uint8_t i) const;
     bool use_for_yaw(void) const;
 
-    void set_use_for_yaw(uint8_t i, bool use);
-
     /// Sets the local magnetic field declination.
     ///
     /// @param  radians             Local field declination.