Try removing the effect, see if it improves the performance.
Try removing/disabling other things - behaviors, events etc., until you find what's causing the slowness. After that it will be easier to find the solution.
ok i realize that.. if i remove "delete"laout 1 is to 55mb...
what happen?? i have problem in lv 1???
now i delete line of sigh in 3 enemy and are from 135mb to 110 but this 2 enemy no come in game on start layout but after 400 seconds