diff --git a/libraries/AP_Devo_Telem/AP_Devo_Telem.cpp b/libraries/AP_Devo_Telem/AP_Devo_Telem.cpp
index 6fb633533c..e0828477f3 100644
--- a/libraries/AP_Devo_Telem/AP_Devo_Telem.cpp
+++ b/libraries/AP_Devo_Telem/AP_Devo_Telem.cpp
@@ -26,6 +26,7 @@
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_GPS/AP_GPS.h>
 #include <AP_BattMonitor/AP_BattMonitor.h>
+#include <AP_SerialManager/AP_SerialManager.h>
 #include <GCS_MAVLink/GCS.h>
 
 #define DEVOM_SYNC_BYTE        0xAA
diff --git a/libraries/AP_Devo_Telem/AP_Devo_Telem.h b/libraries/AP_Devo_Telem/AP_Devo_Telem.h
index f2379d6ab7..528ed90ef3 100644
--- a/libraries/AP_Devo_Telem/AP_Devo_Telem.h
+++ b/libraries/AP_Devo_Telem/AP_Devo_Telem.h
@@ -16,7 +16,6 @@
 #pragma once
 
 #include <AP_HAL/AP_HAL.h>
-#include <AP_SerialManager/AP_SerialManager.h>
 
 #ifndef AP_DEVO_TELEM_ENABLED
     #define AP_DEVO_TELEM_ENABLED   0