diff --git a/libraries/AP_WindVane/AP_WindVane_RPM.cpp b/libraries/AP_WindVane/AP_WindVane_RPM.cpp
index a06ad5db3f..069f30b657 100644
--- a/libraries/AP_WindVane/AP_WindVane_RPM.cpp
+++ b/libraries/AP_WindVane/AP_WindVane_RPM.cpp
@@ -15,8 +15,11 @@
 
 #include "AP_WindVane_RPM.h"
 
+#include <AP_RPM/AP_RPM.h>
+
 void AP_WindVane_RPM::update_speed()
 {
+#if AP_RPM_ENABLED
     const AP_RPM* rpm = AP_RPM::get_singleton();
     if (rpm != nullptr) {
         float temp_speed;
@@ -25,4 +28,5 @@ void AP_WindVane_RPM::update_speed()
             _frontend._speed_apparent_raw = temp_speed;
         }
     }
+#endif  // AP_RPM_ENABLED
 }
diff --git a/libraries/AP_WindVane/AP_WindVane_RPM.h b/libraries/AP_WindVane/AP_WindVane_RPM.h
index 2959fc31ec..3d2c9e2dfe 100644
--- a/libraries/AP_WindVane/AP_WindVane_RPM.h
+++ b/libraries/AP_WindVane/AP_WindVane_RPM.h
@@ -16,8 +16,6 @@
 
 #include "AP_WindVane_Backend.h"
 
-#include <AP_RPM/AP_RPM.h>
-
 class AP_WindVane_RPM : public AP_WindVane_Backend
 {
 public: