diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/CriterionRequirementHandler.java b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/CriterionRequirementHandler.java
index f3b44a0a0..4af716be8 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/CriterionRequirementHandler.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/CriterionRequirementHandler.java
@@ -44,8 +44,7 @@ import org.navalplanner.business.templates.entities.OrderElementTemplate;
  */
 
 // <OrderElement, OrderLine, OrderLineGroup>
-public abstract class CriterionRequirementHandler<T, S, R> implements
-        ICriterionRequirementHandler {
+public abstract class CriterionRequirementHandler<T, S, R> {
 
     // Operations to add a criterionRequirement
     public void propagateDirectCriterionRequirementAddition(T orderElement,
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/ICriterionRequirementHandler.java b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/ICriterionRequirementHandler.java
deleted file mode 100644
index f541b296b..000000000
--- a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/ICriterionRequirementHandler.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * This file is part of NavalPlan
- *
- * Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
- *                         Desenvolvemento Tecnolóxico de Galicia
- * Copyright (C) 2010-2011 Igalia, S.L.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.navalplanner.business.orders.entities;
-
-/**
- * @author Susana Montes Pedreira <smontes@wirelessgalicia.com>
- */
-public interface ICriterionRequirementHandler {
-
-}