how to delete object in expert mode

To delete an organizational unit

to delete an object the infotype must not with time constraints 1 and 2
if it is 1 or 2, modify time constraints 1 to 3

how to modify
t.code==>ooit, press enter,select info type i.e. 1000 info type,click on time constraints,change time  constraints 1 to 3 save

now you can delete object

enter po10, press enter,enter object  no or abbr,press enter, select object-->click on delete,again click on delete,click on yes