def delete_features(features_filename,category_location,technique_name,technique_class,technique_method):
data = load_features(features_filename)
verifier_code = vr.verify_delete_xml_features(data,category_location,technique_name,technique_class,technique_method)
if verifier_code == "OK":
pr.delete_xml_features(features_filename,category_location,technique_name,technique_class,technique_method)
return verifier_code
