You can’t delete old uploaded build: you have to upload new build with a new build version (== Bundle version in plist).
For example, if your current build version is 1.3, archive & upload a new build with an incremented build version like 1.3.1:
You can’t delete old uploaded build: you have to upload new build with a new build version (== Bundle version in plist).
For example, if your current build version is 1.3, archive & upload a new build with an incremented build version like 1.3.1: