diff --git a/libreplan-business/src/test/java/org/libreplan/business/test/planner/entities/GenericResourceAllocationTest.java b/libreplan-business/src/test/java/org/libreplan/business/test/planner/entities/GenericResourceAllocationTest.java
index cd7dba587..4b4f60f2b 100644
--- a/libreplan-business/src/test/java/org/libreplan/business/test/planner/entities/GenericResourceAllocationTest.java
+++ b/libreplan-business/src/test/java/org/libreplan/business/test/planner/entities/GenericResourceAllocationTest.java
@@ -38,7 +38,15 @@ import static org.libreplan.business.workingday.EffortDuration.hours;
 import static org.libreplan.business.workingday.EffortDuration.zero;
 
 import java.math.BigDecimal;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Collection;
+import java.util.Collections;
 
 import org.apache.commons.lang3.Validate;
 import org.easymock.IAnswer;
diff --git a/libreplan-business/src/test/java/org/libreplan/business/test/resources/entities/ResourceTest.java b/libreplan-business/src/test/java/org/libreplan/business/test/resources/entities/ResourceTest.java
index 14d5b09f7..090ff8ac5 100644
--- a/libreplan-business/src/test/java/org/libreplan/business/test/resources/entities/ResourceTest.java
+++ b/libreplan-business/src/test/java/org/libreplan/business/test/resources/entities/ResourceTest.java
@@ -33,8 +33,6 @@ import static org.libreplan.business.test.resources.daos.CriterionSatisfactionDA
 import static org.libreplan.business.test.resources.daos.CriterionSatisfactionDAOTest.year;
 import static org.libreplan.business.workingday.EffortDuration.hours;
 
-import java.util.*;
-
 import org.joda.time.Days;
 import org.joda.time.LocalDate;
 import org.junit.Before;
@@ -60,6 +58,12 @@ import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+
 /**
  * Tests for {@link Resource}.
  * <br />
diff --git a/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/basecalendars/BaseCalendarServiceTest.java b/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/basecalendars/BaseCalendarServiceTest.java
index 22088979b..dbfa5b45a 100644
--- a/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/basecalendars/BaseCalendarServiceTest.java
+++ b/libreplan-webapp/src/test/java/org/libreplan/web/test/ws/basecalendars/BaseCalendarServiceTest.java
@@ -30,8 +30,6 @@ import static org.libreplan.web.test.WebappGlobalNames.WEBAPP_SPRING_CONFIG_TEST
 import static org.libreplan.web.test.WebappGlobalNames.WEBAPP_SPRING_SECURITY_CONFIG_TEST_FILE;
 import static org.libreplan.web.test.ws.common.Util.getUniqueName;
 
-import java.util.*;
-
 import javax.xml.datatype.XMLGregorianCalendar;
 
 import org.hibernate.Query;
@@ -70,6 +68,12 @@ import org.springframework.test.context.transaction.AfterTransaction;
 import org.springframework.test.context.transaction.BeforeTransaction;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+import java.util.Collections;
+
 /**
  * Tests for <code>ICalendarService</code>.
  *