diff --git a/libraries/AP_Motors/AP_MotorsCoax.cpp b/libraries/AP_Motors/AP_MotorsCoax.cpp
index 82cc47511d..f9249431d1 100644
--- a/libraries/AP_Motors/AP_MotorsCoax.cpp
+++ b/libraries/AP_Motors/AP_MotorsCoax.cpp
@@ -17,6 +17,7 @@
 #include <AP_Math/AP_Math.h>
 #include "AP_MotorsCoax.h"
 #include <GCS_MAVLink/GCS.h>
+#include <SRV_Channel/SRV_Channel.h>
 
 extern const AP_HAL::HAL& hal;
 
diff --git a/libraries/AP_Motors/AP_MotorsCoax.h b/libraries/AP_Motors/AP_MotorsCoax.h
index cbc07b39cd..721d3f37e2 100644
--- a/libraries/AP_Motors/AP_MotorsCoax.h
+++ b/libraries/AP_Motors/AP_MotorsCoax.h
@@ -4,7 +4,6 @@
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>        // ArduPilot Mega Vector/Matrix math Library
-#include <SRV_Channel/SRV_Channel.h>
 #include "AP_MotorsMulticopter.h"
 
 // feedback direction
diff --git a/libraries/AP_Motors/AP_MotorsSingle.cpp b/libraries/AP_Motors/AP_MotorsSingle.cpp
index c693e53b05..1f1db46d21 100644
--- a/libraries/AP_Motors/AP_MotorsSingle.cpp
+++ b/libraries/AP_Motors/AP_MotorsSingle.cpp
@@ -17,6 +17,7 @@
 #include <AP_Math/AP_Math.h>
 #include "AP_MotorsSingle.h"
 #include <GCS_MAVLink/GCS.h>
+#include <SRV_Channel/SRV_Channel.h>
 
 extern const AP_HAL::HAL& hal;
 
diff --git a/libraries/AP_Motors/AP_MotorsSingle.h b/libraries/AP_Motors/AP_MotorsSingle.h
index 5f9264dcf5..eca99e501a 100644
--- a/libraries/AP_Motors/AP_MotorsSingle.h
+++ b/libraries/AP_Motors/AP_MotorsSingle.h
@@ -4,7 +4,6 @@
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>        // ArduPilot Mega Vector/Matrix math Library
-#include <SRV_Channel/SRV_Channel.h>
 #include "AP_MotorsMulticopter.h"
 
 // feedback direction
diff --git a/libraries/AP_Motors/AP_MotorsTailsitter.cpp b/libraries/AP_Motors/AP_MotorsTailsitter.cpp
index ae1a361d3c..f8d8bb1598 100644
--- a/libraries/AP_Motors/AP_MotorsTailsitter.cpp
+++ b/libraries/AP_Motors/AP_MotorsTailsitter.cpp
@@ -22,6 +22,7 @@
 #include <AP_Math/AP_Math.h>
 #include "AP_MotorsTailsitter.h"
 #include <GCS_MAVLink/GCS.h>
+#include <SRV_Channel/SRV_Channel.h>
 
 extern const AP_HAL::HAL& hal;
 
diff --git a/libraries/AP_Motors/AP_MotorsTailsitter.h b/libraries/AP_Motors/AP_MotorsTailsitter.h
index e1d6e9fa3e..679c25ad50 100644
--- a/libraries/AP_Motors/AP_MotorsTailsitter.h
+++ b/libraries/AP_Motors/AP_MotorsTailsitter.h
@@ -4,7 +4,6 @@
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>
-#include <SRV_Channel/SRV_Channel.h>
 #include "AP_MotorsMulticopter.h"
 
 /// @class      AP_MotorsTailsitter
diff --git a/libraries/AP_Motors/AP_MotorsTri.cpp b/libraries/AP_Motors/AP_MotorsTri.cpp
index 6486ad8399..418a7b88fb 100644
--- a/libraries/AP_Motors/AP_MotorsTri.cpp
+++ b/libraries/AP_Motors/AP_MotorsTri.cpp
@@ -18,6 +18,7 @@
 
 #include <AP_Math/AP_Math.h>
 #include <GCS_MAVLink/GCS.h>
+#include <SRV_Channel/SRV_Channel.h>
 
 #include "AP_MotorsTri.h"
 
diff --git a/libraries/AP_Motors/AP_MotorsTri.h b/libraries/AP_Motors/AP_MotorsTri.h
index d4c9f051b2..03a1fe6284 100644
--- a/libraries/AP_Motors/AP_MotorsTri.h
+++ b/libraries/AP_Motors/AP_MotorsTri.h
@@ -4,7 +4,6 @@
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>        // ArduPilot Mega Vector/Matrix math Library
-#include <SRV_Channel/SRV_Channel.h>
 #include "AP_MotorsMulticopter.h"
 
 // tail servo uses channel 7