How can i remove the metadata file in apk?

hi, I found that when I use kotlin in my project, the apk size will increase 100k, cause it will contain the kotlin metadata files. what is this use for, can I remove it from apk? thx~

See https://youtrack.jetbrains.com/issue/KT-9770 for discussion.

This should help:

Add this to the android block in your app module build.gradle file:

packagingOptions.exclude '**/*.kotlin_*'