diff --git a/jsprit-core/src/test/java/jsprit/core/algorithm/DeactivateTimeWindowsTest.java b/jsprit-core/src/test/java/jsprit/core/algorithm/DeactivateTimeWindowsTest.java
new file mode 100644
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+++ b/jsprit-core/src/test/java/jsprit/core/algorithm/DeactivateTimeWindowsTest.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (C) 2014  Stefan Schroeder
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ ******************************************************************************/
+
+package jsprit.core.algorithm;
+
+
+import jsprit.core.problem.VehicleRoutingProblem;
+import jsprit.core.problem.job.Service;
+import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
+import jsprit.core.problem.solution.route.VehicleRoute;
+import jsprit.core.problem.solution.route.activity.TimeWindow;
+import jsprit.core.problem.vehicle.VehicleImpl;
+import jsprit.core.util.Coordinate;
+import jsprit.core.util.Solutions;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Collection;
+
+public class DeactivateTimeWindowsTest {
+
+    @Test
+    public void activityTimesShouldIgnoreTimeWindows(){
+        Service service = Service.Builder.newInstance("s").setCoord(Coordinate.newInstance(20, 0))
+                .setTimeWindow(TimeWindow.newInstance(40,50)).build();
+        VehicleImpl vehicle = VehicleImpl.Builder.newInstance("v").setStartLocationCoordinate(Coordinate.newInstance(0,0)).build();
+        VehicleRoutingProblem vrp = VehicleRoutingProblem.Builder.newInstance().addJob(service).addVehicle(vehicle).build();
+        VehicleRoutingAlgorithmBuilder vraBuilder = new VehicleRoutingAlgorithmBuilder(vrp,"src/test/resources/algorithmConfig.xml");
+        vraBuilder.addDefaultCostCalculators();
+        VehicleRoutingAlgorithm vra = vraBuilder.build(); //this should ignore any constraints
+        vra.setMaxIterations(10);
+        Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
+
+        VehicleRoute route = Solutions.bestOf(solutions).getRoutes().iterator().next();
+        Assert.assertEquals(20., route.getActivities().get(0).getEndTime(), 0.01);
+    }
+}