diff --git a/libraries/AP_Soaring/AP_Soaring.cpp b/libraries/AP_Soaring/AP_Soaring.cpp
index aedc24ac82..53e6165284 100644
--- a/libraries/AP_Soaring/AP_Soaring.cpp
+++ b/libraries/AP_Soaring/AP_Soaring.cpp
@@ -166,7 +166,7 @@ const AP_Param::GroupInfo SoaringController::var_info[] = {
     AP_GROUPEND
 };
 
-SoaringController::SoaringController(AP_TECS &tecs, const AP_Vehicle::FixedWing &parms) :
+SoaringController::SoaringController(AP_TECS &tecs, const AP_FixedWing &parms) :
     _tecs(tecs),
     _vario(parms,_polarParams),
     _speedToFly(_polarParams),
diff --git a/libraries/AP_Soaring/AP_Soaring.h b/libraries/AP_Soaring/AP_Soaring.h
index 737f7a38bc..4d13ef8e79 100644
--- a/libraries/AP_Soaring/AP_Soaring.h
+++ b/libraries/AP_Soaring/AP_Soaring.h
@@ -36,7 +36,7 @@ class SoaringController {
     Variometer _vario;
     SpeedToFly _speedToFly;
 
-    const AP_Vehicle::FixedWing &_aparm;
+    const AP_FixedWing &_aparm;
 
     // store aircraft location at last update
     Vector3f _prev_update_location;
@@ -81,7 +81,7 @@ protected:
     AP_Float soar_thermal_flap;
 
 public:
-    SoaringController(class AP_TECS &tecs, const AP_Vehicle::FixedWing &parms);
+    SoaringController(class AP_TECS &tecs, const AP_FixedWing &parms);
 
     enum class LoiterStatus {
         DISABLED,
diff --git a/libraries/AP_Soaring/Variometer.cpp b/libraries/AP_Soaring/Variometer.cpp
index eb1ca5493e..a7a59f789e 100644
--- a/libraries/AP_Soaring/Variometer.cpp
+++ b/libraries/AP_Soaring/Variometer.cpp
@@ -6,7 +6,7 @@ Manages the estimation of aircraft total energy, drag and vertical air velocity.
 
 #include <AP_Logger/AP_Logger.h>
 
-Variometer::Variometer(const AP_Vehicle::FixedWing &parms, const PolarParams &polarParams) :
+Variometer::Variometer(const AP_FixedWing &parms, const PolarParams &polarParams) :
     _aparm(parms),
     _polarParams(polarParams)
 {
diff --git a/libraries/AP_Soaring/Variometer.h b/libraries/AP_Soaring/Variometer.h
index 0678884ee9..d5237b92dc 100644
--- a/libraries/AP_Soaring/Variometer.h
+++ b/libraries/AP_Soaring/Variometer.h
@@ -8,11 +8,11 @@ Manages the estimation of aircraft total energy, drag and vertical air velocity.
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_Param/AP_Param.h>
 #include <Filter/AverageFilter.h>
-#include <AP_Vehicle/AP_Vehicle.h>
+#include <AP_Vehicle/AP_FixedWing.h>
 
 class Variometer {
 
-    const AP_Vehicle::FixedWing &_aparm;
+    const AP_FixedWing &_aparm;
 
     // store time of last update
     uint64_t _prev_update_time;
@@ -53,7 +53,7 @@ public:
         AP_Float B;
     };
 
-    Variometer(const AP_Vehicle::FixedWing &parms, const PolarParams &polarParams);
+    Variometer(const AP_FixedWing &parms, const PolarParams &polarParams);
 
     float alt;
     float reading;