/** Deletes the specified attribute from the target. */
 public void deleteAttribute(String attributeName) {
   // What's the target?
   if (targetAttribute != null) {
     targetAttribute.u2attributesCount =
         deleteAttribute(
             targetAttribute.u2attributesCount, targetAttribute.attributes, attributeName);
   } else if (targetMember != null) {
     targetMember.u2attributesCount =
         deleteAttribute(targetMember.u2attributesCount, targetMember.attributes, attributeName);
   } else {
     targetClass.u2attributesCount =
         deleteAttribute(targetClass.u2attributesCount, targetClass.attributes, attributeName);
   }
 }