diff --git a/jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVariableCosts.java b/jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVariableCosts.java
index 70e47d87..279f4580 100644
--- a/jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVariableCosts.java
+++ b/jsprit-core/src/main/java/jsprit/core/algorithm/state/UpdateVariableCosts.java
@@ -32,7 +32,7 @@ import jsprit.core.util.ActivityTimeTracker;
  * 
  * <p>Thus it modifies <code>stateManager.getRouteState(route, StateTypes.COSTS)</code> and <br>
  * <code>stateManager.getActivityState(activity, StateTypes.COSTS)</code>
- * 
+ *
  */
 public class UpdateVariableCosts implements ActivityVisitor,StateUpdater{
 
diff --git a/jsprit-examples/src/main/java/jsprit/examples/MultipleDepotExampleWithPenaltyVehicles.java b/jsprit-examples/src/main/java/jsprit/examples/MultipleDepotExampleWithPenaltyVehicles.java
index b6457b7d..4ddc16e1 100644
--- a/jsprit-examples/src/main/java/jsprit/examples/MultipleDepotExampleWithPenaltyVehicles.java
+++ b/jsprit-examples/src/main/java/jsprit/examples/MultipleDepotExampleWithPenaltyVehicles.java
@@ -25,7 +25,6 @@ import jsprit.core.problem.VehicleRoutingProblem;
 import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
 import jsprit.core.problem.io.VrpXMLReader;
 import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
-import jsprit.core.problem.vehicle.Vehicle;
 import jsprit.core.problem.vehicle.VehicleImpl;
 import jsprit.core.problem.vehicle.VehicleType;
 import jsprit.core.problem.vehicle.VehicleTypeImpl;
@@ -39,9 +38,7 @@ import java.util.Collection;
 
 public class MultipleDepotExampleWithPenaltyVehicles {
 
-	/**
-	 * @param args
-	 */
+
 	public static void main(String[] args) {
 		/*
 		 * some preparation - create output folder
@@ -77,7 +74,7 @@ public class MultipleDepotExampleWithPenaltyVehicles {
 				vehicleBuilder.setStartLocationCoordinate(depotCoord);
 				vehicleBuilder.setType(vehicleType);
 				vehicleBuilder.setLatestArrival(maxDuration);
-				Vehicle vehicle = vehicleBuilder.build();
+				VehicleImpl vehicle = vehicleBuilder.build();
 				vrpBuilder.addVehicle(vehicle);
 			}
 			depotCounter++;