Hello,why my ipa file have this symbols folder?

Unity Engine
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1

Hello,why my ipa file have this symbols folder?
it’s very big…so my ipa file is very big…
how to remove this symbols folder?
thank you!

2183909--144754--u.png

2

Are you building for AppStore submission? i believe this gets stripped away when submitting to the store (e.g: actual players of your game won’t receive this).