diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
index 074193f0da9e..85cb1d8ece1d 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
@@ -27,7 +27,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import java.util.Random;
 import java.util.concurrent.ThreadLocalRandom;
 import java.util.stream.Collectors;
 import org.apache.hadoop.conf.Configuration;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java
index a89c7e0d0d81..959300abfdae 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java
@@ -20,8 +20,10 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyList;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.when;
 
 import java.util.ArrayList;
 import java.util.Collections;