diff --git a/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java b/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
index 5b8afc0f14..a069d761f3 100644
--- a/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
+++ b/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
@@ -60,12 +60,12 @@
 import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
 import org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException;
+import org.apache.hadoop.hdfs.util.CyclicIteration;
 import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.net.CachedDNSToSwitchMapping;
 import org.apache.hadoop.net.DNSToSwitchMapping;
 import org.apache.hadoop.net.NetworkTopology;
 import org.apache.hadoop.net.ScriptBasedMapping;
-import org.apache.hadoop.util.CyclicIteration;
 import org.apache.hadoop.util.Daemon;
 import org.apache.hadoop.util.HostsFileReader;
 import org.apache.hadoop.util.ReflectionUtils;