Double songs and albums on LMS

Hi all.
When i search a song or an album on my player (Squeezelite-X) i've, often, a lot of double.
When i look for properties of doubles, i see that one is correctly stored on external hard drive where i put my music, and the other one on the older location folder, that is still alive.
But on LMS control panel the only folders that it must scan are located on E:\

(for example: one is on E:\Lossless and the another one is on G:\Lossless)
but i can see other music folder, those who doesn't have to scan, under Disks and Folders.
But i cannot understand: how LMS see folders that it must not scans?
(before posting i perform a search for another similar thread can help me, the only one is really old and not useful).
(don't answer me to delete old folders: no, thanks ;) )
Thanks in advance :)

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