From 3dc67f09fd85a948fe33a5a4eef3aa395f902279 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sat, 17 Oct 2020 11:30:16 +1100
Subject: [PATCH] AP_NavEKF3: remove unused innovationIncrement and
 lastInnovation

---
 libraries/AP_NavEKF3/AP_NavEKF3_core.cpp | 2 --
 libraries/AP_NavEKF3/AP_NavEKF3_core.h   | 4 ----
 2 files changed, 6 deletions(-)

diff --git a/libraries/AP_NavEKF3/AP_NavEKF3_core.cpp b/libraries/AP_NavEKF3/AP_NavEKF3_core.cpp
index 665227e3f0..1e1d15017c 100644
--- a/libraries/AP_NavEKF3/AP_NavEKF3_core.cpp
+++ b/libraries/AP_NavEKF3/AP_NavEKF3_core.cpp
@@ -303,8 +303,6 @@ void NavEKF3_core::InitialiseVariables()
     gpsNotAvailable = true;
     motorsArmed = false;
     prevMotorsArmed = false;
-    innovationIncrement = 0;
-    lastInnovation = 0;
     memset(&gpsCheckStatus, 0, sizeof(gpsCheckStatus));
     gpsSpdAccPass = false;
     ekfInnovationsPass = false;
diff --git a/libraries/AP_NavEKF3/AP_NavEKF3_core.h b/libraries/AP_NavEKF3/AP_NavEKF3_core.h
index 98f56bdb3d..874ff4f8ee 100644
--- a/libraries/AP_NavEKF3/AP_NavEKF3_core.h
+++ b/libraries/AP_NavEKF3/AP_NavEKF3_core.h
@@ -1204,10 +1204,6 @@ private:
     uint32_t lastInnovFailTime_ms;  // last time in msec the GPS innovations failed
     bool gpsAccuracyGood;           // true when the GPS accuracy is considered to be good enough for safe flight.
 
-    // States used for unwrapping of compass yaw error
-    float innovationIncrement;
-    float lastInnovation;
-
     // variables added for optical flow fusion
     obs_ring_buffer_t<of_elements> storedOF;    // OF data buffer
     of_elements ofDataNew;          // OF data at the current time horizon