diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
index e2341cc0e..e037e5dad 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
@@ -736,8 +736,7 @@ public class ResourceLoadModel implements IResourceLoadModel {
         }
     }
 
-    @Transactional(readOnly = true)
-    public Map<Order, List<ResourceAllocation<?>>> byOrder(
+    private Map<Order, List<ResourceAllocation<?>>> byOrder(
             Collection<? extends ResourceAllocation<?>> allocations) {
         Map<Order, List<ResourceAllocation<?>>> result = new HashMap<Order, List<ResourceAllocation<?>>>();
         for (ResourceAllocation<?> resourceAllocation : allocations) {