diff --git a/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.cpp b/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.cpp
index 7d7a4a9ad5..22a723d8c1 100644
--- a/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.cpp
+++ b/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.cpp
@@ -29,7 +29,6 @@ void FlightTask::reActivate()
 bool FlightTask::updateInitialize()
 {
 	_time_stamp_current = hrt_absolute_time();
-	_time = (_time_stamp_current - _time_stamp_activate) / 1e6f;
 	_deltatime  = math::min((_time_stamp_current - _time_stamp_last), _timeout) / 1e6f;
 	_time_stamp_last = _time_stamp_current;
 
diff --git a/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.hpp b/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.hpp
index 22389115f2..36e70e0aed 100644
--- a/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.hpp
+++ b/src/modules/flight_mode_manager/tasks/FlightTask/FlightTask.hpp
@@ -220,7 +220,6 @@ protected:
 	/* Time abstraction */
 	static constexpr uint64_t _timeout = 500000; /**< maximal time in us before a loop or data times out */
 
-	float _time{}; /**< passed time in seconds since the task was activated */
 	float _deltatime{}; /**< passed time in seconds since the task was last updated */
 
 	hrt_abstime _time_stamp_activate{}; /**< time stamp when task was activated */