diff --git a/libraries/AP_Math/examples/eulers/eulers.pde b/libraries/AP_Math/examples/eulers/eulers.pde
index fea7e26a6d..f16ab6b0cc 100644
--- a/libraries/AP_Math/examples/eulers/eulers.pde
+++ b/libraries/AP_Math/examples/eulers/eulers.pde
@@ -11,24 +11,27 @@ FastSerialPort(Serial, 0);
 
 #ifdef DESKTOP_BUILD
 // all of this is needed to build with SITL
+ #include <SPI.h>
+ #include <I2C.h>
  #include <DataFlash.h>
  #include <APM_RC.h>
  #include <GCS_MAVLink.h>
  #include <Arduino_Mega_ISR_Registry.h>
  #include <AP_PeriodicProcess.h>
  #include <AP_ADC.h>
- #include <SPI.h>
- #include <I2C.h>
  #include <AP_Baro.h>
  #include <AP_Compass.h>
  #include <AP_GPS.h>
+ #include <AP_Declination.h>
+ #include <AP_Semaphore.h>
  #include <Filter.h>
+ #include <SITL.h>
 Arduino_Mega_ISR_Registry isr_registry;
 AP_Baro_BMP085_HIL barometer;
 AP_Compass_HIL compass;
 #endif
 
-#include <AP_Declination.h>
+
 
 
 static float rad_diff(float rad1, float rad2)
diff --git a/libraries/AP_Math/examples/location/location.pde b/libraries/AP_Math/examples/location/location.pde
index 2ef3492c25..0da9c9d629 100644
--- a/libraries/AP_Math/examples/location/location.pde
+++ b/libraries/AP_Math/examples/location/location.pde
@@ -9,6 +9,8 @@
 
 #ifdef DESKTOP_BUILD
 // all of this is needed to build with SITL
+ #include <SPI.h>
+ #include <I2C.h>
  #include <DataFlash.h>
  #include <APM_RC.h>
  #include <GCS_MAVLink.h>
@@ -18,11 +20,10 @@
  #include <AP_Baro.h>
  #include <AP_Compass.h>
  #include <AP_GPS.h>
+ #include <AP_Declination.h>
+ #include <AP_Semaphore.h>
  #include <Filter.h>
  #include <SITL.h>
- #include <I2C.h>
- #include <SPI.h>
- #include <AP_Declination.h>
 Arduino_Mega_ISR_Registry isr_registry;
 AP_Baro_BMP085_HIL barometer;
 AP_Compass_HIL compass;
diff --git a/libraries/AP_Math/examples/rotations/rotations.pde b/libraries/AP_Math/examples/rotations/rotations.pde
index 1545d6e46a..0c24ffcf8b 100644
--- a/libraries/AP_Math/examples/rotations/rotations.pde
+++ b/libraries/AP_Math/examples/rotations/rotations.pde
@@ -11,6 +11,8 @@ FastSerialPort(Serial, 0);
 
 #ifdef DESKTOP_BUILD
 // all of this is needed to build with SITL
+ #include <SPI.h>
+ #include <I2C.h>
  #include <DataFlash.h>
  #include <APM_RC.h>
  #include <GCS_MAVLink.h>
@@ -20,13 +22,15 @@ FastSerialPort(Serial, 0);
  #include <AP_Baro.h>
  #include <AP_Compass.h>
  #include <AP_GPS.h>
+ #include <AP_Declination.h> // ArduPilot Mega Declination Helper Library
+ #include <AP_Semaphore.h>
+ #include <Filter.h>
+ #include <SITL.h>
 Arduino_Mega_ISR_Registry isr_registry;
 AP_Baro_BMP085_HIL barometer;
 AP_Compass_HIL compass;
 #endif
 
-#include <AP_Declination.h> // ArduPilot Mega Declination Helper Library
-
 
 // standard rotation matrices (these are the originals from the old code)
 #define MATRIX_ROTATION_NONE               Matrix3f(1, 0, 0, 0, 1, 0, 0,0, 1)