diff --git a/src/main/flight/imu.h b/src/main/flight/imu.h
index 3d43658e7a..28751a86f7 100644
--- a/src/main/flight/imu.h
+++ b/src/main/flight/imu.h
@@ -22,6 +22,13 @@
 
 #include "sensors/acceleration.h"
 
+// Exported symbols
+extern uint32_t accTimeSum;
+extern int accSumCount;
+extern float accVelScale;
+extern int32_t accSum[XYZ_AXIS_COUNT];
+
+
 #define DEGREES_TO_DECIDEGREES(angle) (angle * 10)
 #define DECIDEGREES_TO_DEGREES(angle) (angle / 10)
 #define DECIDEGREES_TO_RADIANS(angle) ((angle / 10.0f) * 0.0174532925f)