XSG-10276

i want creat a new ZSAM because that's my home town.
then i use WED load the default ZSAM and delete most of the date/obj except papis/runway/tower,and im up load the Orthos,and im creat an exclusion zone to clean all default things except roadnetwork,because next i want to creat all the city.
after im do all things i say,test in the xp11,i found 3 unknow building in the airport,they are:
build1:+24.537739 +118.116831
build2:+24.549713 +118.138142
build3:+24.543795 +118.124026
looks like 2 signal tower and 1 beacon?one of them was on a taxi way?!
i cant delete them,and i check the WED and scenery_packs.ini,they are no reason there.
and i test 3 versions of ZSAM(users made),that 3 building still there,looks no one can delete it,and just let it there.
ps:that building cant see inside the WED,but inside GAME
so please check it and reply me,thank you very much.