diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java
index a1fde7468cc..a754c6b8e43 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java
@@ -395,8 +395,7 @@ public class FavoredNodeAssignmentHelper {
     rackSkipSet.add(primaryRack);
     String secondaryRack = getOneRandomRack(rackSkipSet);
     List<ServerName> serverList = getServersFromRack(secondaryRack);
-    Set<ServerName> serverSet = new HashSet<>();
-    serverSet.addAll(serverList);
+    Set<ServerName> serverSet = new HashSet<>(serverList);
     ServerName[] favoredNodes;
     if (serverList.size() >= 2) {
       // Randomly pick up two servers from this secondary rack
@@ -433,8 +432,7 @@ public class FavoredNodeAssignmentHelper {
         }
         secondaryRack = getOneRandomRack(rackSkipSet);
         serverList = getServersFromRack(secondaryRack);
-        serverSet = new HashSet<>();
-        serverSet.addAll(serverList);
+        serverSet = new HashSet<>(serverList);
       }
 
       // Place the secondary RS