diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientSimpleScanner.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientSimpleScanner.java
index 3998ac0df9d..f8869716fa9 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientSimpleScanner.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientSimpleScanner.java
@@ -23,7 +23,6 @@ import org.apache.hadoop.hbase.classification.InterfaceAudience;
 import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
 
 import java.io.IOException;
-import java.util.LinkedList;
 import java.util.concurrent.ExecutorService;
 
 /**
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
index 46f8ec0078d..51a95e4f0a9 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
@@ -42,7 +42,6 @@ import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.KeyValueUtil;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
 import org.apache.hadoop.hbase.classification.InterfaceStability;
 import org.apache.hadoop.hbase.client.AsyncProcess.AsyncRequestFuture;
@@ -62,8 +61,6 @@ import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.MutateRequest;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.MutateResponse;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.RegionAction;
 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.CompareType;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetTableDescriptorsRequest;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetTableDescriptorsResponse;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.hadoop.hbase.util.ReflectionUtils;
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
index 21bf6aa7473..4426a150ea3 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
@@ -121,7 +121,6 @@ import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.CreateTableReques
 import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.GetTableDescriptorsResponse;
 import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.MasterService;
 import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos;
-import org.apache.hadoop.hbase.protobuf.generated.RPCProtos;
 import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionServerReportRequest;
 import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionServerStartupRequest;
 import org.apache.hadoop.hbase.protobuf.generated.WALProtos;
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientExponentialBackoff.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientExponentialBackoff.java
index 275adc02276..e1a5ce659b1 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientExponentialBackoff.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientExponentialBackoff.java
@@ -18,7 +18,6 @@
 package org.apache.hadoop.hbase.client;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy;
 import org.apache.hadoop.hbase.client.backoff.ServerStatistics;
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/ProcedureInfo.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/ProcedureInfo.java
index f46163f1fcb..845a5365fe9 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/ProcedureInfo.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/ProcedureInfo.java
@@ -230,7 +230,7 @@ public class ProcedureInfo {
 
   /**
    * Check if the user is this procedure's owner
-   * @param owner the owner field of the procedure
+   * @param procInfo the procedure to check
    * @param user the user
    * @return true if the user is the owner of the procedure,
    *   false otherwise or the owner is unknown.
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/CategoryBasedTimeout.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/CategoryBasedTimeout.java
index f921b1b1abd..7fd286f8df7 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/CategoryBasedTimeout.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/CategoryBasedTimeout.java
@@ -24,11 +24,8 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.junit.experimental.categories.Category;
-import org.junit.internal.runners.statements.FailOnTimeout;
 import org.junit.rules.TestRule;
 import org.junit.rules.Timeout;
-import org.junit.runner.Description;
-import org.junit.runners.model.Statement;
 
 /**
  * Set a test method timeout based off the test categories small, medium, large.
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestChoreService.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestChoreService.java
index 9ee6b406610..b1131742a06 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestChoreService.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestChoreService.java
@@ -24,8 +24,6 @@ import static org.junit.Assert.assertTrue;
 
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.TestChoreService.ScheduledChoreSamples.CountingChore;
 import org.apache.hadoop.hbase.TestChoreService.ScheduledChoreSamples.DoNothingChore;
 import org.apache.hadoop.hbase.TestChoreService.ScheduledChoreSamples.FailInitialChore;
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTimeout.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTimeout.java
index d6ee6739e03..65fae4608ba 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTimeout.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTimeout.java
@@ -23,7 +23,6 @@ import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.rules.TestRule;
-import org.junit.rules.Timeout;
 
 @Category({SmallTests.class})
 public class TestTimeout {
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodec.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodec.java
index 1ce4bf65089..f6f5a35451c 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodec.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodec.java
@@ -28,7 +28,6 @@ import java.io.DataOutputStream;
 import java.io.IOException;
 
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
diff --git a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestBulkDeleteProtocol.java b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestBulkDeleteProtocol.java
index 511bf4669f4..930b89934ff 100644
--- a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestBulkDeleteProtocol.java
+++ b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestBulkDeleteProtocol.java
@@ -34,7 +34,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.testclassification.CoprocessorTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestRowCountEndpoint.java b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestRowCountEndpoint.java
index 481cb917cdf..fd1523435c3 100644
--- a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestRowCountEndpoint.java
+++ b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestRowCountEndpoint.java
@@ -21,7 +21,6 @@ package org.apache.hadoop.hbase.coprocessor.example;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.coprocessor.Batch;
diff --git a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestZooKeeperScanPolicyObserver.java b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestZooKeeperScanPolicyObserver.java
index db10c5a0926..0430a4136ec 100644
--- a/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestZooKeeperScanPolicyObserver.java
+++ b/hbase-examples/src/test/java/org/apache/hadoop/hbase/coprocessor/example/TestZooKeeperScanPolicyObserver.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-examples/src/test/java/org/apache/hadoop/hbase/types/TestPBCell.java b/hbase-examples/src/test/java/org/apache/hadoop/hbase/types/TestPBCell.java
index e6f1b3e55b1..3f1b9710fe9 100644
--- a/hbase-examples/src/test/java/org/apache/hadoop/hbase/types/TestPBCell.java
+++ b/hbase-examples/src/test/java/org/apache/hadoop/hbase/types/TestPBCell.java
@@ -21,7 +21,6 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
diff --git a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
index 7eb9c529927..30882600ce0 100644
--- a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
+++ b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
@@ -22,9 +22,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertTrue;
 
-import java.util.Map;
 
-import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.apache.hadoop.hbase.testclassification.MetricsTests;
diff --git a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/test/MetricsAssertHelperImpl.java b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/test/MetricsAssertHelperImpl.java
index 3481cc2a224..42c293b32d0 100644
--- a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/test/MetricsAssertHelperImpl.java
+++ b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/test/MetricsAssertHelperImpl.java
@@ -19,7 +19,6 @@
 package org.apache.hadoop.hbase.test;
 
 import org.apache.hadoop.hbase.metrics.BaseSource;
-import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
 import org.apache.hadoop.metrics2.AbstractMetric;
 import org.apache.hadoop.metrics2.MetricsCollector;
 import org.apache.hadoop.metrics2.MetricsInfo;
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestLazyCfLoading.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestLazyCfLoading.java
index 75ef959486e..4c57c88f082 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestLazyCfLoading.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestLazyCfLoading.java
@@ -29,7 +29,6 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestMetaReplicas.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestMetaReplicas.java
index 438b17480d8..a2378052626 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestMetaReplicas.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestMetaReplicas.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;
 import org.apache.hadoop.hbase.testclassification.IntegrationTests;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
-import org.apache.hadoop.util.ToolRunner;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/RestartRsHoldingTableAction.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/RestartRsHoldingTableAction.java
index 7531f552370..6eab85c1538 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/RestartRsHoldingTableAction.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/RestartRsHoldingTableAction.java
@@ -18,19 +18,11 @@
 
 package org.apache.hadoop.hbase.chaos.actions;
 
-import java.io.IOException;
-import java.util.Collection;
 import java.util.List;
 
 import org.apache.commons.lang.math.RandomUtils;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.ServerName;
-import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.Connection;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
-import org.apache.hadoop.hbase.client.Table;
 
 /**
 * Action that restarts an HRegionServer holding one of the regions of the table.
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/TruncateTableAction.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/TruncateTableAction.java
index 2a4871d3e72..87f91dd0202 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/TruncateTableAction.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/TruncateTableAction.java
@@ -22,7 +22,6 @@ import java.util.Random;
 
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.TableName;
 
 /**
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedMultiGetRequestsWithRegionReplicas.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedMultiGetRequestsWithRegionReplicas.java
index 575febec5ca..b03a5864ccb 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedMultiGetRequestsWithRegionReplicas.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedMultiGetRequestsWithRegionReplicas.java
@@ -25,7 +25,6 @@ import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.IntegrationTestingUtility;
 import org.apache.hadoop.hbase.testclassification.IntegrationTests;
 import org.apache.hadoop.hbase.util.LoadTestTool;
-import org.apache.hadoop.hbase.util.MultiThreadedReader;
 import org.apache.hadoop.util.ToolRunner;
 import org.junit.experimental.categories.Category;
 
diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedRequestsWithRegionReplicas.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedRequestsWithRegionReplicas.java
index b8e939fdb5b..3d60e5fad4a 100644
--- a/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedRequestsWithRegionReplicas.java
+++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestTimeBoundedRequestsWithRegionReplicas.java
@@ -19,9 +19,7 @@
 package org.apache.hadoop.hbase.test;
 
 import java.io.IOException;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
diff --git a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestYieldProcedures.java b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestYieldProcedures.java
index 14c50718c1d..8269c993143 100644
--- a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestYieldProcedures.java
+++ b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestYieldProcedures.java
@@ -20,8 +20,6 @@ package org.apache.hadoop.hbase.procedure2;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -31,10 +29,8 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
 import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;
-import org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
-import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/TestWALProcedureStore.java b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/TestWALProcedureStore.java
index 46fc6234d55..19396aa9d8b 100644
--- a/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/TestWALProcedureStore.java
+++ b/hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/TestWALProcedureStore.java
@@ -22,11 +22,9 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.concurrent.atomic.AtomicInteger;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
-import java.util.Iterator;
 import java.util.HashSet;
 import java.util.Set;
 
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/package-info.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/package-info.java
index d175aff410e..9932cdaf4fe 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/package-info.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/package-info.java
@@ -145,8 +145,6 @@ denied by receiving this exception.
 <blockquote><pre>
 package org.apache.hadoop.hbase.coprocessor;
 
-import java.util.List;
-import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.client.Get;
 
 // Sample access-control coprocessor. It utilizes RegionObserver
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/CopyTable.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/CopyTable.java
index c46cb575507..b7f4b66e548 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/CopyTable.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/CopyTable.java
@@ -25,7 +25,6 @@ import java.util.Random;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
index f16784784c5..64cb77a8032 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.hbase.master;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
index 9fd67c40617..2b0aa233d83 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
@@ -49,7 +49,6 @@ import org.apache.hadoop.hbase.YouAreDeadException;
 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
 import org.apache.hadoop.hbase.client.ClusterConnection;
-import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.RetriesExhaustedException;
 import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer;
 import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactionRequestor.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactionRequestor.java
index a30b526bdbf..4921db6a28e 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactionRequestor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactionRequestor.java
@@ -73,7 +73,7 @@ public interface CompactionRequestor {
    * @param requests custom compaction requests. Each compaction must specify the store on which it
    *          is acting. Can be <tt>null</tt> in which case a compaction will be attempted on all
    *          stores for the region.
-   * @user  the effective user
+   * @param user  the effective user
    * @return The created {@link CompactionRequest CompactionRequests} or an empty list if no
    *         compactions were started.
    * @throws IOException
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/FlushSnapshotSubprocedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/FlushSnapshotSubprocedure.java
index f0836018245..39735af04a1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/FlushSnapshotSubprocedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/FlushSnapshotSubprocedure.java
@@ -31,7 +31,6 @@ import org.apache.hadoop.hbase.procedure.Subprocedure;
 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.regionserver.HRegion;
 import org.apache.hadoop.hbase.regionserver.Region;
-import org.apache.hadoop.hbase.regionserver.Region.Operation;
 import org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager.SnapshotSubprocedurePool;
 import org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;
 
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java
index f190fa17de8..c63bcadf7ab 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java
@@ -24,7 +24,6 @@ import java.io.IOException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionSizeCalculator.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionSizeCalculator.java
index 957a4903219..86b06acc5a1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionSizeCalculator.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionSizeCalculator.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.classification.InterfaceStability;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
index 191d54691c0..0c41e77ce7a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/wal/DisabledWALProvider.java
@@ -22,7 +22,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestGlobalMemStoreSize.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestGlobalMemStoreSize.java
index ab0e6b4c91c..e4605354a43 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestGlobalMemStoreSize.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestGlobalMemStoreSize.java
@@ -28,7 +28,6 @@ import java.util.List;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestHBaseOnOtherDfsCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestHBaseOnOtherDfsCluster.java
index 5134a7b1b5e..ffd6e2b12b9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestHBaseOnOtherDfsCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestHBaseOnOtherDfsCluster.java
@@ -19,7 +19,6 @@ package org.apache.hadoop.hbase;
 
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaTableAccessor.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaTableAccessor.java
index 479a52888ec..7e934c0de6f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaTableAccessor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaTableAccessor.java
@@ -41,7 +41,6 @@ import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestNamespace.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestNamespace.java
index 050d403e912..5208ec4dc8c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestNamespace.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestNamespace.java
@@ -35,21 +35,16 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSUtils;
-import org.apache.hadoop.hbase.zookeeper.ZKUtil;
-import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestTableDescriptor.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestTableDescriptor.java
index 59a7db94bc2..ebc4713e177 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestTableDescriptor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestTableDescriptor.java
@@ -24,7 +24,6 @@ import java.io.IOException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.TableState;
 import org.apache.hadoop.hbase.exceptions.DeserializationException;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientTimeouts.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientTimeouts.java
index 8edfd9e39e4..36276fadf09 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientTimeouts.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientTimeouts.java
@@ -36,7 +36,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.MasterNotRunningException;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.ipc.AbstractRpcClient;
-import org.apache.hadoop.hbase.ipc.RpcClient;
 import org.apache.hadoop.hbase.ipc.RpcClientFactory;
 import org.apache.hadoop.hbase.ipc.RpcClientImpl;
 import org.apache.hadoop.hbase.security.User;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFastFail.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFastFail.java
index 3ce7afb1969..4be2ef03692 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFastFail.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFastFail.java
@@ -35,7 +35,6 @@ import java.util.concurrent.atomic.AtomicLong;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.ClusterStatus;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobRestoreSnapshotFromClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobRestoreSnapshotFromClient.java
index 889ed6cf415..0e2c23ce1f4 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobRestoreSnapshotFromClient.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobRestoreSnapshotFromClient.java
@@ -22,17 +22,12 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
 
 import java.io.IOException;
-import java.util.HashSet;
-import java.util.Set;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.snapshot.MobSnapshotTestingUtils;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotCloneIndependence.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotCloneIndependence.java
index bcc2c034b03..dcf20e5f985 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotCloneIndependence.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotCloneIndependence.java
@@ -18,7 +18,6 @@
 
 package org.apache.hadoop.hbase.client;
 
-import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotFromClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotFromClient.java
index 532d93830f7..268bc14ea99 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotFromClient.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMobSnapshotFromClient.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.junit.BeforeClass;
 import org.junit.experimental.categories.Category;
 
-import com.google.common.collect.Lists;
 
 /**
  * Test create/using/deleting snapshots from the client
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicaWithCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicaWithCluster.java
index e6bde4ea513..723242ba985 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicaWithCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicaWithCluster.java
@@ -42,7 +42,6 @@ import org.apache.hadoop.hbase.regionserver.TestHRegionServerBulkLoad;
 import org.apache.hadoop.hbase.testclassification.ClientTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSTableDescriptors;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;
 import org.junit.AfterClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestResultSizeEstimation.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestResultSizeEstimation.java
index 24494dde882..f83590a767b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestResultSizeEstimation.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestResultSizeEstimation.java
@@ -23,7 +23,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/codec/TestCellMessageCodec.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/codec/TestCellMessageCodec.java
index 1eacbf4fda6..26113a6c28d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/codec/TestCellMessageCodec.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/codec/TestCellMessageCodec.java
@@ -30,7 +30,6 @@ import java.io.IOException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/constraint/TestConstraint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/constraint/TestConstraint.java
index 96da03a8a2b..9207f0cefe6 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/constraint/TestConstraint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/constraint/TestConstraint.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestAggregateProtocol.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestAggregateProtocol.java
index dfa089884ee..f1513b2b0aa 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestAggregateProtocol.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestAggregateProtocol.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBatchCoprocessorEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBatchCoprocessorEndpoint.java
index a5ee4c195c1..cad42059ea7 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBatchCoprocessorEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBatchCoprocessorEndpoint.java
@@ -26,7 +26,6 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.CoprocessorTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
@@ -38,8 +37,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.coprocessor.Batch;
 import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationProtos;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBigDecimalColumnInterpreter.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBigDecimalColumnInterpreter.java
index 2cbd790f200..78963b83dd5 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBigDecimalColumnInterpreter.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestBigDecimalColumnInterpreter.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorEndpoint.java
index 83012645aab..1768a2a32e9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorEndpoint.java
@@ -28,7 +28,6 @@ import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.NavigableMap;
 import java.util.TreeMap;
 
 import org.apache.hadoop.hbase.HRegionLocation;
@@ -46,9 +45,7 @@ import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.coprocessor.Batch;
 import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationProtos;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorHost.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorHost.java
index 0ec78645e3b..58cd0fbfc7a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorHost.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoprocessorHost.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.CoprocessorEnvironment;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Table;
-import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.junit.Assert;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestDoubleColumnInterpreter.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestDoubleColumnInterpreter.java
index a1e67fe0935..6b54abbfdd0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestDoubleColumnInterpreter.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestDoubleColumnInterpreter.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverBypass.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverBypass.java
index a02758dacff..73d7a96e912 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverBypass.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverBypass.java
@@ -33,7 +33,6 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Durability;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithAbort.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithAbort.java
index ef62564d8b9..537a4157b8c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithAbort.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithAbort.java
@@ -33,7 +33,6 @@ import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Waiter.Predicate;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithRemove.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithRemove.java
index ce76fea385a..9ee21f1408b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithRemove.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithRemove.java
@@ -29,7 +29,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/FilterTestingCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/FilterTestingCluster.java
index 541651472e8..bf6168128b7 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/FilterTestingCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/FilterTestingCluster.java
@@ -38,7 +38,6 @@ import org.apache.hadoop.hbase.MasterNotRunningException;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ScannerCallable;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.ipc.AbstractRpcClient;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterWrapper.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterWrapper.java
index 8ce0b760a81..a53dff1c578 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterWrapper.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterWrapper.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/http/TestHttpServerLifecycle.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/http/TestHttpServerLifecycle.java
index 0844c3e5aca..d0f2825da2c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/http/TestHttpServerLifecycle.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/http/TestHttpServerLifecycle.java
@@ -19,7 +19,6 @@ package org.apache.hadoop.hbase.http;
 
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
-import org.apache.log4j.Logger;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestLoadAndSwitchEncodeOnDisk.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestLoadAndSwitchEncodeOnDisk.java
index a7cb4a3dee7..0fbe6f097cb 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestLoadAndSwitchEncodeOnDisk.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestLoadAndSwitchEncodeOnDisk.java
@@ -20,19 +20,14 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
 
 import org.apache.hadoop.hbase.HColumnDescriptor;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.IOTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
-import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java
index 97d591727f9..96179fddcbd 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.io.HeapSize;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;
 import org.apache.hadoop.hbase.nio.ByteBuff;
-import org.apache.hadoop.hbase.nio.MultiByteBuff;
 import org.apache.hadoop.hbase.nio.SingleByteBuff;
 import org.apache.hadoop.hbase.util.ChecksumType;
 
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
index 959cf4da03a..ad08794493c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.io.hfile.Cacheable.MemoryType;
 import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;
 import org.apache.hadoop.hbase.nio.ByteBuff;
-import org.apache.hadoop.hbase.nio.MultiByteBuff;
 import org.apache.hadoop.hbase.util.Threads;
 import org.junit.After;
 import org.junit.Before;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestChecksum.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestChecksum.java
index ca62bf5b706..1767fb26d3d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestChecksum.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestChecksum.java
@@ -29,7 +29,6 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.nio.BufferUnderflowException;
-import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;
@@ -49,7 +48,6 @@ import org.apache.hadoop.hbase.fs.HFileSystem;
 import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.nio.ByteBuff;
-import org.apache.hadoop.hbase.nio.MultiByteBuff;
 import org.apache.hadoop.hbase.util.ChecksumType;
 import org.junit.Before;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockCompatibility.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockCompatibility.java
index 9efb5fc9841..3cfee026381 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockCompatibility.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockCompatibility.java
@@ -49,7 +49,6 @@ import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;
 import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;
 import org.apache.hadoop.hbase.io.hfile.HFileBlock.BlockWritable;
 import org.apache.hadoop.hbase.nio.ByteBuff;
-import org.apache.hadoop.hbase.nio.MultiByteBuff;
 import org.apache.hadoop.hbase.nio.SingleByteBuff;
 import org.apache.hadoop.hbase.testclassification.IOTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestGlobalEventLoopGroup.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestGlobalEventLoopGroup.java
index 52c77e7d49b..12bc35c3fd2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestGlobalEventLoopGroup.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestGlobalEventLoopGroup.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertSame;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.testclassification.RPCTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableInputFormat.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableInputFormat.java
index e0b7a0b2293..8498341789a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableInputFormat.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableInputFormat.java
@@ -38,7 +38,6 @@ import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableMapReduce.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableMapReduce.java
index 35e6ae5aeeb..3f905cffeae 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableMapReduce.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapred/TestTableMapReduce.java
@@ -29,7 +29,6 @@ import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MapReduceTests;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatTestBase.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatTestBase.java
index e77425a1e2e..38e97b3eab2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatTestBase.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatTestBase.java
@@ -26,7 +26,6 @@ import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCellCounter.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCellCounter.java
index 2d3d6ef9da7..78707fdf645 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCellCounter.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCellCounter.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MapReduceTests;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.LauncherSecurityManager;
-import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.util.ToolRunner;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCopyTable.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCopyTable.java
index 118395ba7b7..1c13157b49b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCopyTable.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestCopyTable.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import java.io.PrintStream;
 
 import org.apache.hadoop.conf.Configuration;
@@ -39,7 +38,6 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MapReduceTests;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.LauncherSecurityManager;
-import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.util.ToolRunner;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
index 1138d053465..2d03ac12b8f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
@@ -29,7 +29,6 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java
index 80cbb70463c..052e05c4e4c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java
@@ -49,7 +49,6 @@ import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.HConnection;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultiTableInputFormat.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultiTableInputFormat.java
index 98b7e4248d0..0c5207b700c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultiTableInputFormat.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultiTableInputFormat.java
@@ -17,9 +17,7 @@
  */
 package org.apache.hadoop.hbase.mapreduce;
 
-import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.client.Scan;
-import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.VerySlowMapReduceTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultithreadedTableMapper.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultithreadedTableMapper.java
index 70420e553af..9e1d2bf6410 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultithreadedTableMapper.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultithreadedTableMapper.java
@@ -36,7 +36,6 @@ import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestRowCounter.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestRowCounter.java
index 2024429b9f4..b0bf55838c0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestRowCounter.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestRowCounter.java
@@ -25,21 +25,16 @@ import static org.junit.Assert.fail;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
-import java.sql.Time;
 import java.util.ArrayList;
-import java.util.Arrays;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.testclassification.MapReduceTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
-import org.apache.hadoop.hbase.mapreduce.RowCounter.RowCounterMapper;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.LauncherSecurityManager;
 import org.apache.hadoop.util.ToolRunner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestSyncTable.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestSyncTable.java
index 94348b5fff2..841d8cbacc8 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestSyncTable.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestSyncTable.java
@@ -30,7 +30,6 @@ import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormat.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormat.java
index eb25972e372..0ec46e45549 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormat.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormat.java
@@ -37,7 +37,6 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormatScanBase.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormatScanBase.java
index 33d1a66d483..23714b7ab90 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormatScanBase.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableInputFormatScanBase.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java
index 1dcbd2ab07d..5ece857170d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java
@@ -29,7 +29,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduceBase.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduceBase.java
index 572d9ae4e27..5436a1d6127 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduceBase.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduceBase.java
@@ -33,7 +33,6 @@ import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestGetLastFlushedSequenceId.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestGetLastFlushedSequenceId.java
index d2bb11a0cce..579e28a9051 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestGetLastFlushedSequenceId.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestGetLastFlushedSequenceId.java
@@ -29,7 +29,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.NamespaceDescriptor;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.protobuf.generated.ClusterStatusProtos.RegionStoreSequenceIds;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
index 27ee31bd8c7..4d0093cd037 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.UnknownRegionException;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.TableState;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
index 614f6fb7af0..a20327d669a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
@@ -56,7 +56,6 @@ import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
 import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
 import org.junit.Test;
-import org.junit.Ignore;
 import org.junit.experimental.categories.Category;
 
 @Category({FlakeyTests.class, LargeTests.class})
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java
index 3a4075bde65..d4250e38755 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.client.TableState;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionPlacement.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionPlacement.java
index 637b99171b8..bae38c67f31 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionPlacement.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionPlacement.java
@@ -50,10 +50,8 @@ import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Result;
-import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.master.balancer.FavoredNodeAssignmentHelper;
 import org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer;
 import org.apache.hadoop.hbase.master.balancer.FavoredNodesPlan;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionStates.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionStates.java
index 99e17098eec..17004ec60c0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionStates.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRegionStates.java
@@ -19,7 +19,6 @@ package org.apache.hadoop.hbase.master;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.ClusterConnection;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java
index 724d9a02144..251e0228b49 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java
@@ -31,12 +31,10 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestTableLockManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestTableLockManager.java
index d815e7b9a80..5152b3e71bf 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestTableLockManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestTableLockManager.java
@@ -36,7 +36,6 @@ import java.util.concurrent.Future;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.ChoreService;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
@@ -52,7 +51,6 @@ import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.coprocessor.BaseMasterObserver;
 import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;
 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
-import org.apache.hadoop.hbase.exceptions.LockTimeoutException;
 import org.apache.hadoop.hbase.regionserver.HRegion;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestSnapshotFromMaster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestSnapshotFromMaster.java
index 3c070e949d8..e00134a7726 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestSnapshotFromMaster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestSnapshotFromMaster.java
@@ -38,7 +38,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.master.snapshot.DisabledTableSnapshotHandler;
 import org.apache.hadoop.hbase.master.snapshot.SnapshotHFileCleaner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
index f5c8b90d557..38343daba48 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
@@ -25,7 +25,6 @@ import java.util.concurrent.CountDownLatch;
 
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
-import com.google.common.collect.Iterators;
 import com.google.common.collect.Lists;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -41,7 +40,6 @@ import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
-import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.coprocessor.BaseMasterObserver;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestWALProcedureStoreOnHDFS.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestWALProcedureStoreOnHDFS.java
index f615c1a13e3..b3609662d48 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestWALProcedureStoreOnHDFS.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestWALProcedureStoreOnHDFS.java
@@ -18,37 +18,20 @@
 
 package org.apache.hadoop.hbase.master.procedure;
 
-import java.io.IOException;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.CountDownLatch;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.MiniHBaseCluster;
-import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.procedure2.Procedure;
-import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
 import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;
 import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;
 import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;
 import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.CreateTableState;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.DeleteTableState;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.DisableTableState;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.EnableTableState;
-import org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.TruncateTableState;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSUtils;
-import org.apache.hadoop.hbase.util.ModifyRegionUtils;
 import org.apache.hadoop.hbase.util.Threads;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.server.datanode.DataNode;
@@ -58,7 +41,6 @@ import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
-import org.mockito.Mockito;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotFileCache.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotFileCache.java
index da446e34177..2e0c14c1032 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotFileCache.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotFileCache.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
-import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
 import org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil;
 import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils.SnapshotMock;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotManager.java
index bd62e087f89..2a971193373 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotManager.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.apache.hadoop.hbase.testclassification.MasterTests;
 import org.apache.hadoop.hbase.executor.ExecutorService;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.java
index 86959f8325b..9912808d844 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.java
@@ -52,7 +52,6 @@ import org.apache.hadoop.hbase.Waiter;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Mutation;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaAdmin.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaAdmin.java
index 975787c1829..d6e8952813a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaAdmin.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaAdmin.java
@@ -26,19 +26,9 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
-import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.Put;
-import org.apache.hadoop.hbase.client.Result;
-import org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.testclassification.ClientTests;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
-import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
-import org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge;
-import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
 
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaState.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaState.java
index c1c842bbda0..da6010c8f5b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaState.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaState.java
@@ -18,15 +18,9 @@
 
 package org.apache.hadoop.hbase.quotas;
 
-import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas;
 import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Throttle;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaThrottle.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaThrottle.java
index 6d2dd3ef0c5..1c2f1614dd0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaThrottle.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaThrottle.java
@@ -26,10 +26,8 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.Put;
-import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.security.User;
@@ -40,7 +38,6 @@ import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
 import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
-import org.apache.hadoop.security.UserGroupInformation;
 
 import org.junit.After;
 import org.junit.AfterClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
index 2cb3b38f505..47b6b5c3787 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
@@ -36,7 +36,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.HarFileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
@@ -60,7 +59,6 @@ import org.apache.hadoop.hbase.mob.MobUtils;
 import org.apache.hadoop.hbase.monitoring.MonitoredTask;
 import org.apache.hadoop.hbase.regionserver.StoreFile.Reader;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;
-import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
 import org.apache.hadoop.hbase.regionserver.compactions.NoLimitCompactionThroughputController;
 import org.apache.hadoop.hbase.security.EncryptionUtil;
 import org.apache.hadoop.hbase.security.User;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionOnCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionOnCluster.java
index fa152ca7d85..aa45ab96a70 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionOnCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionOnCluster.java
@@ -30,7 +30,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Result;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
index f4d9dac80fe..6f35fc8f06b 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hbase.io.hfile.BlockCacheKey;
 import org.apache.hadoop.hbase.io.hfile.CacheStats;
 import org.apache.hadoop.hbase.io.hfile.Cacheable;
 import org.apache.hadoop.hbase.io.hfile.CachedBlock;
-import org.apache.hadoop.hbase.io.hfile.HFileBlock;
 import org.apache.hadoop.hbase.io.hfile.ResizableBlockCache;
 import org.apache.hadoop.hbase.io.util.HeapMemorySizeUtil;
 import org.apache.hadoop.hbase.regionserver.HeapMemoryManager.TunerContext;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestJoinedScanners.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestJoinedScanners.java
index 1fe57d0f753..896cd5de311 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestJoinedScanners.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestJoinedScanners.java
@@ -36,7 +36,6 @@ import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
index 5fe7f397c86..0df27996c03 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java
@@ -45,7 +45,6 @@ import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRecoveredEdits.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRecoveredEdits.java
index f2acbdccea4..fc47d7e85a8 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRecoveredEdits.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRecoveredEdits.java
@@ -37,7 +37,6 @@ import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.Result;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionFavoredNodes.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionFavoredNodes.java
index 6dbdfb5f99e..449a1508969 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionFavoredNodes.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionFavoredNodes.java
@@ -33,7 +33,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicas.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicas.java
index 4a931a76dd2..96b6122a1a9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicas.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionReplicas.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TestMetaTableAccessor;
 import org.apache.hadoop.hbase.client.Consistency;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
index 35f6b4282e0..639c148fceb 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
@@ -22,22 +22,14 @@ import static org.junit.Assert.assertTrue;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
-import java.net.UnknownHostException;
 import java.util.Enumeration;
 import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.CoordinatedStateManager;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.MiniHBaseCluster.MiniHBaseClusterRegionServer;
-import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionServerStartupResponse;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
-import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
-import org.apache.hadoop.hbase.util.Threads;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
index e71089d7fc1..b2405e8e6f9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.NotServingRegionException;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerOnlineConfigChange.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerOnlineConfigChange.java
index 9a8a4d906ab..dbb080ad65d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerOnlineConfigChange.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerOnlineConfigChange.java
@@ -29,7 +29,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
index 0bd4f3f6ef4..19d25a89fa9 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
@@ -31,7 +31,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.LocalHBaseCluster;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.MiniHBaseCluster.MiniHBaseClusterRegionServer;
-import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.master.ServerManager;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSCVFWithMiniCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSCVFWithMiniCluster.java
index c6c9f505f2c..0c119784c3f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSCVFWithMiniCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSCVFWithMiniCluster.java
@@ -36,7 +36,6 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerRetriableFailure.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerRetriableFailure.java
index afeaa1dc705..5dd10b162f5 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerRetriableFailure.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerRetriableFailure.java
@@ -41,10 +41,7 @@ import org.apache.hadoop.hbase.coprocessor.ObserverContext;
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
-import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSUtils;
-import org.apache.hadoop.hbase.util.FSVisitor;
 import org.apache.hadoop.hbase.util.TestTableName;
 
 import org.junit.AfterClass;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerWithBulkload.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerWithBulkload.java
index 33ae07bfda2..5bcf6e8f295 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerWithBulkload.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerWithBulkload.java
@@ -25,7 +25,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestServerCustomProtocol.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestServerCustomProtocol.java
index 6578d74d134..470c6d152f2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestServerCustomProtocol.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestServerCustomProtocol.java
@@ -31,11 +31,8 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.Coprocessor;
 import org.apache.hadoop.hbase.CoprocessorEnvironment;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
index a06783ac1ea..1cf06e59b0e 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
@@ -64,7 +64,6 @@ import org.apache.hadoop.hbase.client.Consistency;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Mutation;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
@@ -88,7 +87,6 @@ import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.Repor
 import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;
 import org.apache.hadoop.hbase.regionserver.compactions.NoLimitCompactionThroughputController;
-import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
 import org.apache.hadoop.hbase.util.Bytes;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/MockStoreFileGenerator.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/MockStoreFileGenerator.java
index 076073647ee..a469df6f3d7 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/MockStoreFileGenerator.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/MockStoreFileGenerator.java
@@ -23,7 +23,6 @@ import java.util.List;
 import java.util.Random;
 
 import com.google.common.base.Objects;
-import com.google.common.io.Files;
 import org.apache.commons.lang.RandomStringUtils;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.regionserver.StoreFile;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestCompactionWithThroughputController.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestCompactionWithThroughputController.java
index 93c8ebc53d7..05e16933257 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestCompactionWithThroughputController.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/compactions/TestCompactionWithThroughputController.java
@@ -35,11 +35,9 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.regionserver.DefaultStoreEngine;
-import org.apache.hadoop.hbase.regionserver.HRegion;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.regionserver.HStore;
 import org.apache.hadoop.hbase.regionserver.Region;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollPeriod.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollPeriod.java
index 5216ee57fd7..56d013980a0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollPeriod.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollPeriod.java
@@ -27,12 +27,9 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestReadOldRootAndMetaEdits.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestReadOldRootAndMetaEdits.java
index b256651cd32..8bdb33ce762 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestReadOldRootAndMetaEdits.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestReadOldRootAndMetaEdits.java
@@ -32,7 +32,6 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
index 82dfa92c3fb..a2c387b4ccc 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALActionsListener.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.hbase.regionserver.wal;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMultiSlaveReplication.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMultiSlaveReplication.java
index b670e659ddc..9bd302e64d0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMultiSlaveReplication.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMultiSlaveReplication.java
@@ -36,8 +36,6 @@ import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 16564e0554e..e247349bd72 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -34,7 +34,6 @@ import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
-import org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.ReplicationTests;
 import org.apache.hadoop.hbase.util.Bytes;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationKillRS.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationKillRS.java
index de93305f6d2..5739aee16af 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationKillRS.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationKillRS.java
@@ -22,7 +22,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.UnknownScannerException;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationSource.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationSource.java
index aac966e0966..375a866215d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationSource.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationSource.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.ReplicationTests;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSUtils;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWALEntryFilters.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWALEntryFilters.java
index ecfaa760b7d..22c421d5f46 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWALEntryFilters.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWALEntryFilters.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.testclassification.ReplicationTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestTablePermissions.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestTablePermissions.java
index 1f2357688f1..2934ad1e84a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestTablePermissions.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestTablePermissions.java
@@ -42,7 +42,6 @@ import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.exceptions.DeserializationException;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestEnforcingScanLabelGenerator.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestEnforcingScanLabelGenerator.java
index 328445395ba..45c8ef5cfdc 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestEnforcingScanLabelGenerator.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestEnforcingScanLabelGenerator.java
@@ -31,7 +31,6 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabels.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabels.java
index 047496e6cc4..e885983c844 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabels.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabels.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.hbase.CellScanner;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
@@ -47,7 +46,6 @@ import org.apache.hadoop.hbase.client.Append;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Increment;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/MobSnapshotTestingUtils.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/MobSnapshotTestingUtils.java
index a2c4d3cd08f..a278244b314 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/MobSnapshotTestingUtils.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/MobSnapshotTestingUtils.java
@@ -24,18 +24,11 @@ import java.io.IOException;
 import java.util.List;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.client.*;
-import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
-import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.regionserver.BloomType;
-import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.FSTableDescriptors;
-import org.apache.hadoop.hbase.util.FSUtils;
 import org.junit.Assert;
 
 public class MobSnapshotTestingUtils {
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/SnapshotTestingUtils.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/SnapshotTestingUtils.java
index 6c58d62718e..8a22f371195 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/SnapshotTestingUtils.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/SnapshotTestingUtils.java
@@ -44,12 +44,9 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotEnabledException;
-import org.apache.hadoop.hbase.Waiter;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.BufferedMutator;
 import org.apache.hadoop.hbase.client.Durability;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestExportSnapshot.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestExportSnapshot.java
index e8446e44f45..9b85ac7e92c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestExportSnapshot.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestExportSnapshot.java
@@ -40,14 +40,12 @@ import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;
 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos.SnapshotFileInfo;
 import org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;
 import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils.SnapshotMock;
-import org.apache.hadoop.hbase.testclassification.RegionServerTests;
 import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.FSUtils;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobExportSnapshot.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobExportSnapshot.java
index 5535d5e75ad..b6cb339322f 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobExportSnapshot.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobExportSnapshot.java
@@ -18,15 +18,11 @@
 
 package org.apache.hadoop.hbase.snapshot;
 
-import java.io.IOException;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.mob.MobUtils;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobFlushSnapshotFromClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobFlushSnapshotFromClient.java
index eefb18010ce..69f2cb3ec5c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobFlushSnapshotFromClient.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobFlushSnapshotFromClient.java
@@ -23,7 +23,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.mob.MobConstants;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreFlushSnapshotFromClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreFlushSnapshotFromClient.java
index 68933460039..2a4ddde7828 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreFlushSnapshotFromClient.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreFlushSnapshotFromClient.java
@@ -23,7 +23,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.mob.MobConstants;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreSnapshotHelper.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreSnapshotHelper.java
index 99345132b33..47bcb91f14e 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreSnapshotHelper.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestMobRestoreSnapshotHelper.java
@@ -26,7 +26,6 @@ import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.snapshot.MobSnapshotTestingUtils.SnapshotMock;
 import org.junit.experimental.categories.Category;
-import org.mockito.Mockito;
 
 /**
  * Test the restore/clone operation from a file-system point of view.
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/trace/TestHTraceHooks.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/trace/TestHTraceHooks.java
index 65dff1bf2d7..9167c7dd94c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/trace/TestHTraceHooks.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/trace/TestHTraceHooks.java
@@ -42,7 +42,6 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
-import com.google.common.collect.Multimap;
 
 @Category({MiscTests.class, MediumTests.class})
 public class TestHTraceHooks {
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/BaseTestHBaseFsck.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/BaseTestHBaseFsck.java
index cc29732faee..f90a8c9ab9d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/BaseTestHBaseFsck.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/BaseTestHBaseFsck.java
@@ -30,28 +30,16 @@ import static org.junit.Assert.fail;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Set;
 import java.util.UUID;
-import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
-import java.util.concurrent.SynchronousQueue;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import org.apache.commons.io.IOUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -74,28 +62,20 @@ import org.apache.hadoop.hbase.client.ClusterConnection;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Delete;
-import org.apache.hadoop.hbase.client.Durability;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.client.HConnection;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RegionLocator;
-import org.apache.hadoop.hbase.client.RegionReplicaUtil;
-import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.coprocessor.BaseMasterObserver;
-import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
 import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;
 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
-import org.apache.hadoop.hbase.io.hfile.TestHFile;
 import org.apache.hadoop.hbase.master.AssignmentManager;
-import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.master.RegionState;
 import org.apache.hadoop.hbase.master.RegionStates;
-import org.apache.hadoop.hbase.master.TableLockManager;
-import org.apache.hadoop.hbase.master.TableLockManager.TableLock;
 import org.apache.hadoop.hbase.mob.MobFileName;
 import org.apache.hadoop.hbase.mob.MobUtils;
 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
@@ -105,28 +85,19 @@ import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.regionserver.SplitTransactionFactory;
 import org.apache.hadoop.hbase.regionserver.SplitTransactionImpl;
-import org.apache.hadoop.hbase.regionserver.TestEndToEndSplitTransaction;
-import org.apache.hadoop.hbase.testclassification.LargeTests;
-import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter;
 import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;
 import org.apache.hadoop.hbase.util.HBaseFsck.HbckInfo;
-import org.apache.hadoop.hbase.util.HBaseFsck.PrintingErrorReporter;
 import org.apache.hadoop.hbase.util.HBaseFsck.TableInfo;
 import org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker;
 import org.apache.hadoop.hbase.util.hbck.HbckTestingUtil;
-import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
 import org.apache.zookeeper.KeeperException;
-import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Ignore;
 import org.junit.Test;
-import org.junit.experimental.categories.Category;
 import org.junit.rules.TestName;
 
-import com.google.common.collect.Multimap;
 
 /**
  * This is the base class for  HBaseFsck's ability to detect reasons for inconsistent tables.
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedReaderWithACL.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedReaderWithACL.java
index 4af63c1cbe1..84cc47d9e68 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedReaderWithACL.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedReaderWithACL.java
@@ -26,7 +26,6 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.HTableInterface;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.Table;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedWriterWithACL.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedWriterWithACL.java
index f247670f492..d3cba2b7e6c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedWriterWithACL.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MultiThreadedWriterWithACL.java
@@ -26,7 +26,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.HTableInterface;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/ProcessBasedLocalHBaseCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/ProcessBasedLocalHBaseCluster.java
index 9f98624bd6d..6d992a5fe7c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/ProcessBasedLocalHBaseCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/ProcessBasedLocalHBaseCluster.java
@@ -46,7 +46,6 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.MiniHBaseCluster;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSTableDescriptors.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSTableDescriptors.java
index c09982e66c5..09bd895320c 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSTableDescriptors.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSTableDescriptors.java
@@ -32,7 +32,6 @@ import java.util.Map;
 
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;
-import org.apache.hadoop.hbase.client.TableState;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileStatus;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java
index 58ab7f5f705..7e5dc7199dc 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java
@@ -25,7 +25,6 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
-import java.io.DataOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.util.Random;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSVisitor.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSVisitor.java
index e2bac5a48c0..4a870f8ea54 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSVisitor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSVisitor.java
@@ -27,12 +27,9 @@ import java.util.HashSet;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
-import org.apache.hadoop.hbase.wal.WALSplitter;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.junit.*;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMergeTable.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMergeTable.java
index e31cb4e64da..480ae91e3ea 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMergeTable.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMergeTable.java
@@ -34,7 +34,6 @@ import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Durability;
 import org.apache.hadoop.hbase.regionserver.HRegion;
-import org.apache.hadoop.hbase.regionserver.Region;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.junit.Test;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadSequential.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadSequential.java
index 68d4b37dd64..908a930bc1a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadSequential.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadSequential.java
@@ -33,7 +33,6 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.hadoop.hbase.client.Admin;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.testclassification.LargeTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestRegionSplitter.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestRegionSplitter.java
index 7b6e25b505f..f54771c981a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestRegionSplitter.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestRegionSplitter.java
@@ -26,7 +26,6 @@ import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import org.apache.commons.lang.ArrayUtils;
 import org.apache.commons.logging.Log;
@@ -35,9 +34,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HRegionLocation;
-import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Table;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.java
index 578ec85942d..973965cfe93 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.java
@@ -22,8 +22,6 @@ import static org.junit.Assert.assertEquals;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -45,7 +43,6 @@ import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
-import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.RegionLocator;
 import org.apache.hadoop.hbase.client.Result;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
index 29540966907..6eac388eb73 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/FaultyFSLog.java
@@ -20,18 +20,13 @@
 package org.apache.hadoop.hbase.wal;
 
 import java.io.IOException;
-import java.util.List;
-import java.util.UUID;
-import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.TableName;
 
 // imports for things that haven't moved yet
 import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestBoundedRegionGroupingStrategy.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestBoundedRegionGroupingStrategy.java
index c810f33fe07..2044f82e860 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestBoundedRegionGroupingStrategy.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestBoundedRegionGroupingStrategy.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.testclassification.LargeTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.FSUtils;
-import org.apache.hadoop.hbase.wal.RegionGroupingProvider.RegionGroupingStrategy;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Before;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
index c289663e8f1..079e0cbfe14 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestSecureWAL.java
@@ -22,7 +22,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.logging.Log;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/zookeeper/TestRecoverableZooKeeper.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/zookeeper/TestRecoverableZooKeeper.java
index b83f9137e49..e71210d0675 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/zookeeper/TestRecoverableZooKeeper.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/zookeeper/TestRecoverableZooKeeper.java
@@ -21,7 +21,6 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
 import java.lang.reflect.Field;
-import java.util.Properties;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.Abortable;
diff --git a/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/ThriftUtilities.java b/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/ThriftUtilities.java
index 3251d139b54..bef35f64c72 100644
--- a/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/ThriftUtilities.java
+++ b/hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/ThriftUtilities.java
@@ -37,7 +37,6 @@ import org.apache.hadoop.hbase.client.Append;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Durability;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HRegionLocator;
 import org.apache.hadoop.hbase.client.Increment;
 import org.apache.hadoop.hbase.client.OperationWithAttributes;
 import org.apache.hadoop.hbase.client.Put;
diff --git a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandler.java b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandler.java
index 5b7a80821f0..8003bffda82 100644
--- a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandler.java
+++ b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandler.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Get;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Increment;
diff --git a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandlerWithLabels.java b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandlerWithLabels.java
index 9153c9b8b51..89ed9097611 100644
--- a/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandlerWithLabels.java
+++ b/hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift2/TestThriftHBaseServiceHandlerWithLabels.java
@@ -41,7 +41,6 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.ConnectionFactory;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsResponse;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.security.UserProvider;