code: public void removeSelectionCriteria(SelectionCriteria selCriteria) 
      throws SIResourceException
      {
  
        if (tc.isEntryEnabled())
          SibTr.entry(tc, "removeSelectionCriteria", 
            new Object[] { selCriteria });
        
        // If the selection criteria was removed then this is an indication that it was
        // in the matchspace and it can be removed.
        boolean wasRemoved = 
          _consumerDispatcher.getConsumerDispatcherState().removeSelectionCriteria(selCriteria);      
        
        if (wasRemoved)
        {
          Transaction tran = _messageProcessor.getTXManager().createAutoCommitTransaction();
          if( !_consumerDispatcher.getReferenceStream().isUpdating() )
          {
            try 
            {
              _consumerDispatcher.getReferenceStream().requestUpdate(tran);
            } 
            catch (MessageStoreException e) 
            {
              // MessageStoreException shouldn't occur so FFDC.
              FFDCFilter.processException(
              e,
              "com.ibm.ws.sib.processor.impl.MPSubscriptionImpl.removeSelectionCriteria",
              "1:203:1.6",
              this);
      
              // Add the criteria back into the list as the remove failed.
              _consumerDispatcher.getConsumerDispatcherState().addSelectionCriteria(selCriteria);
              
              SibTr.exception(tc, e);
              if (tc.isEntryEnabled()) SibTr.exit(tc, "removeSelectionCriteria", "SIResourceException");
              throw new SIResourceException(e);
                
            }
          }
    
          // Remove the criteria from the matchspace
          _messageProcessor
           .getMessageProcessorMatching()
           .removeConsumerDispatcherMatchTarget(
            _consumerDispatcher,
            selCriteria );
        }
          
        if (tc.isEntryEnabled())
          SibTr.exit(tc, "removeSelectionCriteria"); 
     
      }
docs: Remove a selection criteria from the subscription