diff --git a/server/src/com/cloud/deploy/DeploymentPlanningManagerImpl.java b/server/src/com/cloud/deploy/DeploymentPlanningManagerImpl.java
index a0890c288db..69230e08050 100644
--- a/server/src/com/cloud/deploy/DeploymentPlanningManagerImpl.java
+++ b/server/src/com/cloud/deploy/DeploymentPlanningManagerImpl.java
@@ -19,8 +19,10 @@ package com.cloud.deploy;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.Timer;
 import java.util.TreeSet;