diff --git a/src/modules/mavlink/mavlink_mission.cpp b/src/modules/mavlink/mavlink_mission.cpp
index 5f2d5b4a0f..07d9be73b2 100644
--- a/src/modules/mavlink/mavlink_mission.cpp
+++ b/src/modules/mavlink/mavlink_mission.cpp
@@ -296,8 +296,6 @@ MavlinkMissionManager::send_mission_current(uint16_t seq)
 void
 MavlinkMissionManager::send_mission_count(uint8_t sysid, uint8_t compid, uint16_t count, MAV_MISSION_TYPE mission_type)
 {
-	_time_last_sent = hrt_absolute_time();
-
 	mavlink_mission_count_t wpc;
 
 	wpc.target_system = sysid;
@@ -364,8 +362,6 @@ MavlinkMissionManager::send_mission_item(uint8_t sysid, uint8_t compid, uint16_t
 	}
 
 	if (read_success) {
-		_time_last_sent = hrt_absolute_time();
-
 		if (_int_mode) {
 			mavlink_mission_item_int_t wp;
 			format_mavlink_mission_item(&mission_item, reinterpret_cast<mavlink_mission_item_t *>(&wp));
@@ -430,8 +426,6 @@ void
 MavlinkMissionManager::send_mission_request(uint8_t sysid, uint8_t compid, uint16_t seq)
 {
 	if (seq < current_max_item_count()) {
-		_time_last_sent = hrt_absolute_time();
-
 		if (_int_mode) {
 			mavlink_mission_request_int_t wpr;
 			wpr.target_system = sysid;
@@ -524,29 +518,8 @@ MavlinkMissionManager::send(const hrt_abstime now)
 	}
 
 	/* check for timed-out operations */
-	if (_state == MAVLINK_WPM_STATE_GETLIST && (_time_last_sent > 0)
-	    && hrt_elapsed_time(&_time_last_sent) > MAVLINK_MISSION_RETRY_TIMEOUT_DEFAULT) {
-
-		// try to request item again after timeout
-		send_mission_request(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq);
-
-	} else if (_state == MAVLINK_WPM_STATE_SENDLIST && (_time_last_sent > 0)
-		   && hrt_elapsed_time(&_time_last_sent) > MAVLINK_MISSION_RETRY_TIMEOUT_DEFAULT) {
-
-		if (_transfer_seq == 0) {
-			/* try to send items count again after timeout */
-			send_mission_count(_transfer_partner_sysid, _transfer_partner_compid, _transfer_count, _mission_type);
-
-		} else {
-			/* try to send item again after timeout */
-			PX4_DEBUG("WPM: item re-send timeout");
-
-			send_mission_item(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq - 1);
-		}
-
-	} else if (_state != MAVLINK_WPM_STATE_IDLE && (_time_last_recv > 0)
-		   && hrt_elapsed_time(&_time_last_recv) > MAVLINK_MISSION_PROTOCOL_TIMEOUT_DEFAULT) {
-
+	if (_state != MAVLINK_WPM_STATE_IDLE && (_time_last_recv > 0)
+	    && hrt_elapsed_time(&_time_last_recv) > _operation_timeout_us) {
 		_mavlink->send_statustext_critical("Operation timeout");
 
 		PX4_DEBUG("WPM: Last operation (state=%u) timed out, changing state to MAVLINK_WPM_STATE_IDLE", _state);
@@ -558,7 +531,6 @@ MavlinkMissionManager::send(const hrt_abstime now)
 
 	} else if (_state == MAVLINK_WPM_STATE_IDLE) {
 		// reset flags
-		_time_last_sent = 0;
 		_time_last_recv = 0;
 	}
 }
diff --git a/src/modules/mavlink/mavlink_mission.h b/src/modules/mavlink/mavlink_mission.h
index 8fe20fb0c0..fd85e8c1ec 100644
--- a/src/modules/mavlink/mavlink_mission.h
+++ b/src/modules/mavlink/mavlink_mission.h
@@ -67,8 +67,6 @@ enum MAVLINK_WPM_CODES {
 	MAVLINK_WPM_CODE_ENUM_END
 };
 
-static constexpr uint64_t MAVLINK_MISSION_PROTOCOL_TIMEOUT_DEFAULT = 5000000; ///< Protocol action timeout in us
-static constexpr uint64_t MAVLINK_MISSION_RETRY_TIMEOUT_DEFAULT = 500000; ///< Protocol retry timeout in us
 
 class Mavlink;
 
@@ -94,12 +92,13 @@ private:
 	enum MAV_MISSION_TYPE _mission_type {MAV_MISSION_TYPE_MISSION};	///< mission type of current transmission (only one at a time possible)
 
 	uint64_t		_time_last_recv{0};
-	uint64_t		_time_last_sent{0};
 
 	uint8_t			_reached_sent_count{0};			///< last time when the vehicle reached a waypoint
 
 	bool			_int_mode{false};			///< Use accurate int32 instead of float
 
+	static constexpr uint32_t _operation_timeout_us = 5000000;
+
 	unsigned		_filesystem_errcount{0};		///< File system error count
 
 	static dm_item_t		_dataman_id;				///< Global Dataman storage ID for active mission