diff --git a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/PositionConstraintType.java b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/PositionConstraintType.java
index be3ba846c..4da8798e9 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/PositionConstraintType.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/PositionConstraintType.java
@@ -30,11 +30,6 @@ import org.libreplan.business.orders.entities.Order.SchedulingMode;
 public enum PositionConstraintType {
     AS_SOON_AS_POSSIBLE(false, _("as soon as possible")) {
 
-        @Override
-        public PositionConstraintType newTypeAfterMoved(SchedulingMode mode) {
-            return START_NOT_EARLIER_THAN;
-        }
-
         @Override
         public boolean appliesToTheStart() {
             return true;
@@ -42,14 +37,6 @@ public enum PositionConstraintType {
     },
     START_NOT_EARLIER_THAN(true, _("start not earlier than")) {
 
-        @Override
-        public PositionConstraintType newTypeAfterMoved(SchedulingMode mode) {
-            if(mode == SchedulingMode.FORWARD)
-                return START_NOT_EARLIER_THAN;
-            else
-                return FINISH_NOT_LATER_THAN;
-        }
-
         @Override
         public boolean appliesToTheStart() {
             return true;
@@ -69,11 +56,6 @@ public enum PositionConstraintType {
     },
     AS_LATE_AS_POSSIBLE(false, _("as late as possible")) {
 
-        @Override
-        public PositionConstraintType newTypeAfterMoved(SchedulingMode mode) {
-            return FINISH_NOT_LATER_THAN;
-        }
-
         @Override
         public boolean appliesToTheStart() {
             return false;
@@ -81,14 +63,6 @@ public enum PositionConstraintType {
     },
     FINISH_NOT_LATER_THAN(true, _("finish not later than")) {
 
-        @Override
-        public PositionConstraintType newTypeAfterMoved(SchedulingMode mode) {
-            if(mode == SchedulingMode.FORWARD)
-                return START_NOT_EARLIER_THAN;
-            else
-                return FINISH_NOT_LATER_THAN;
-        }
-
         @Override
         public boolean appliesToTheStart() {
             return false;
@@ -110,7 +84,12 @@ public enum PositionConstraintType {
         this.name = name;
     }
 
-    public abstract PositionConstraintType newTypeAfterMoved(SchedulingMode mode);
+    public PositionConstraintType newTypeAfterMoved(SchedulingMode mode) {
+        if(mode == SchedulingMode.FORWARD)
+            return START_NOT_EARLIER_THAN;
+        else
+            return FINISH_NOT_LATER_THAN;
+    }
 
     public boolean isAssociatedDateRequired() {
         return dateRequired;