code: @Override
  	public void annotateRemove(String oid) throws IndexerException {
  		log.debug("Deleting " + oid + " from Anotar index");
  		try {
  			anotar.deleteByQuery("rootUri:\"" + oid + "\"");
  			anotar.commit();
  		} catch (SolrServerException sse) {
  			throw new IndexerException(sse);
  		} catch (IOException ioe) {
  			throw new IndexerException(ioe);
  		}
  	}
docs: Remove all annotations from the index against an object
  
  @param oid
  : The identifier of the object
  @throws IndexerException
  if there were errors during removal