Deleting the Concurrent Program,Data definitions and Templates from backend

Xml Publisher ( How to Delete Concurrent Program Data Definition & Template from Back end )

Begin
fnd_program.delete_program('program short name','APPLICATION_SHORT_NAME');
fnd_program.delete_executable('program short name','APPLICATION_SHORT_NAME');

commit;
End;

Script for deleting the datadefinition
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BEGIN
XDO_DS_DEFINITIONS_PKG.DELETE_ROW('INV','NRGINTR');
END;
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script for deleting the template 
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BEGIN
XDO_TEMPLATES_PKG.DELETE_ROW('INV','NRGINTR');
END;