From 1ca01692a790090b8abc5bc1408d728b94d5db8b Mon Sep 17 00:00:00 2001
From: Bruce Luckcuck <github@etracer.net>
Date: Sat, 9 Jan 2021 12:21:24 -0500
Subject: [PATCH] Altitude hold removal cleanup Just cleaning up some unused
 leftover altitude hold code

---
 src/main/flight/imu.c | 12 ------------
 src/main/flight/imu.h |  4 ----
 2 files changed, 16 deletions(-)

diff --git a/src/main/flight/imu.c b/src/main/flight/imu.c
index d3630df62f..d65448f5c5 100644
--- a/src/main/flight/imu.c
+++ b/src/main/flight/imu.c
@@ -85,11 +85,8 @@ static bool imuUpdated = false;
 #define ATTITUDE_RESET_ACTIVE_TIME 500000  // 500ms - Time to wait for attitude to converge at high gain
 #define GPS_COG_MIN_GROUNDSPEED 500        // 500cm/s minimum groundspeed for a gps heading to be considered valid
 
-int32_t accSum[XYZ_AXIS_COUNT];
 float accAverage[XYZ_AXIS_COUNT];
 
-uint32_t accTimeSum = 0;        // keep track for integration of acc
-int accSumCount = 0;
 bool canUseGPSHeading = true;
 
 static float throttleAngleScale;
@@ -199,15 +196,6 @@ void imuInit(void)
 #endif
 }
 
-void imuResetAccelerationSum(void)
-{
-    accSum[0] = 0;
-    accSum[1] = 0;
-    accSum[2] = 0;
-    accSumCount = 0;
-    accTimeSum = 0;
-}
-
 #if defined(USE_ACC)
 static float invSqrt(float x)
 {
diff --git a/src/main/flight/imu.h b/src/main/flight/imu.h
index 42995510f9..bf3502c2b1 100644
--- a/src/main/flight/imu.h
+++ b/src/main/flight/imu.h
@@ -26,9 +26,6 @@
 #include "pg/pg.h"
 
 // Exported symbols
-extern uint32_t accTimeSum;
-extern int accSumCount;
-extern int32_t accSum[XYZ_AXIS_COUNT];
 extern bool canUseGPSHeading;
 extern float accAverage[XYZ_AXIS_COUNT];
 
@@ -74,7 +71,6 @@ float getCosTiltAngle(void);
 void getQuaternion(quaternion * q);
 void imuUpdateAttitude(timeUs_t currentTimeUs);
 
-void imuResetAccelerationSum(void);
 void imuInit(void);
 
 #ifdef SIMULATOR_BUILD