diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/IResourceAllocationModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/IResourceAllocationModel.java
index 09f178458..86fe27892 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/IResourceAllocationModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/IResourceAllocationModel.java
@@ -50,14 +50,6 @@ public interface IResourceAllocationModel {
      */
     Task getTask();
 
-    /**
-     * Removes the {@link ResourceAllocation} from the current {@link Task}.
-     *
-     * @param resourceAllocation
-     *            The object to be removed
-     */
-    void removeResourceAllocation(ResourceAllocation resourceAllocation);
-
     /**
      * Removes {@link SpecificResourceAllocation} from current allocations list
      * @param data
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
index 6de199975..d4cb9be4e 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
@@ -90,11 +90,6 @@ public class ResourceAllocationModel implements IResourceAllocationModel {
         return found;
     }
 
-    @Override
-    public void removeResourceAllocation(ResourceAllocation resourceAllocation) {
-        task.removeResourceAllocation(resourceAllocation);
-    }
-
     @Override
     public Set<Criterion> getCriterions() {
         return (task != null) ? task.getHoursGroup().getCriterions()
@@ -113,6 +108,9 @@ public class ResourceAllocationModel implements IResourceAllocationModel {
     public void removeSpecificResourceAllocation(
             SpecificAllocationDTO allocation) {
         currentAllocations.remove(allocation);
+        if (allocation.isModifying()) {
+            task.removeResourceAllocation(allocation.getOrigin());
+        }
     }
 
     @Override