从Android Studio中的应用删除AdMob

Google is now demanding that publishers identify apps with ads. Fine, my game has no ads so I went to select no, but the developer console says they have detected AdMob SDK 11 in my app. The thing is I'm sure my game doesn't have AdMob. It's never shown ads, AdMob is not in the manifest and I can't seem to find it anyplace else. How can I make sure?Google is now demanding that publishers identif