don't need synchronize at ri9.
@@ -2127,11 +2127,6 @@ port_INLINE void activity_ri9(PORT_TIMER_WIDTH capturedTime) {
// clear local variable
ieee154e_vars.ackToSend = NULL;
- // synchronize to the received packet
- if (idmanager_getIsDAGroot()==FALSE && icmpv6rpl_isPreferredParent(&(ieee154e_vars.dataReceived->l2_nextORpreviousHop))) {
- synchronizePacket(ieee154e_vars.syncCapturedTime);
- }
-
// inform upper layer of reception (after ACK sent)
notif_receive(ieee154e_vars.dataReceived);
