
via SAPGui
1. Execute transaction code SLICENSE. Highlight to the license that you wanted to delete. Go to Edit > Delete License.

via OS Level
1. Login to operating system as SIDadm. Execute below command
saplicense -delete

1. Execute transaction code SLICENSE. Highlight to the license that you wanted to delete. Go to Edit > Delete License.

1. Login to operating system as SIDadm. Execute below command
saplicense -delete