diff --git a/libraries/AP_GPS/AP_GPS_UAVCAN.cpp b/libraries/AP_GPS/AP_GPS_UAVCAN.cpp
index 5df4cc2b02..f61e551803 100644
--- a/libraries/AP_GPS/AP_GPS_UAVCAN.cpp
+++ b/libraries/AP_GPS/AP_GPS_UAVCAN.cpp
@@ -22,7 +22,6 @@
 #include "AP_GPS_UAVCAN.h"
 
 #include <AP_BoardConfig/AP_BoardConfig_CAN.h>
-#include <AP_Common/Semaphore.h>
 #include <AP_UAVCAN/AP_UAVCAN.h>
 
 #include <uavcan/equipment/gnss/Fix.hpp>