diff --git a/source/java/org/alfresco/repo/security/person/PersonServiceImpl.java b/source/java/org/alfresco/repo/security/person/PersonServiceImpl.java
index 7609d1f0fb..d0cbc60553 100644
--- a/source/java/org/alfresco/repo/security/person/PersonServiceImpl.java
+++ b/source/java/org/alfresco/repo/security/person/PersonServiceImpl.java
@@ -30,6 +30,7 @@ import java.util.Comparator;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -52,6 +53,10 @@ import org.alfresco.service.cmr.repository.NodeRef;
 import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.repository.StoreRef;
 import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
+import org.alfresco.service.cmr.search.ResultSet;
+import org.alfresco.service.cmr.search.ResultSetRow;
+import org.alfresco.service.cmr.search.SearchParameters;
+import org.alfresco.service.cmr.search.SearchService;
 import org.alfresco.service.cmr.security.AuthorityService;
 import org.alfresco.service.cmr.security.NoSuchPersonException;
 import org.alfresco.service.cmr.security.PersonService;