diff --git a/java/tsfile/src/main/java/org/apache/tsfile/read/reader/series/AbstractFileSeriesReader.java b/java/tsfile/src/main/java/org/apache/tsfile/read/reader/series/AbstractFileSeriesReader.java
index 6558cf22e..2b1213357 100644
--- a/java/tsfile/src/main/java/org/apache/tsfile/read/reader/series/AbstractFileSeriesReader.java
+++ b/java/tsfile/src/main/java/org/apache/tsfile/read/reader/series/AbstractFileSeriesReader.java
@@ -19,7 +19,6 @@
 
 package org.apache.tsfile.read.reader.series;
 
-import java.util.ArrayList;
 import org.apache.tsfile.file.metadata.IChunkMetadata;
 import org.apache.tsfile.read.common.BatchData;
 import org.apache.tsfile.read.controller.IChunkLoader;
@@ -28,6 +27,7 @@
 import org.apache.tsfile.read.reader.IChunkReader;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.List;
 
 /** Series reader is used to query one series of one tsfile. */
diff --git a/java/tsfile/src/test/java/org/apache/tsfile/read/reader/TsFileReaderEmptyChunkTest.java b/java/tsfile/src/test/java/org/apache/tsfile/read/reader/TsFileReaderEmptyChunkTest.java
index 6c77a7fe1..ea9d83cb0 100644
--- a/java/tsfile/src/test/java/org/apache/tsfile/read/reader/TsFileReaderEmptyChunkTest.java
+++ b/java/tsfile/src/test/java/org/apache/tsfile/read/reader/TsFileReaderEmptyChunkTest.java
@@ -20,34 +20,21 @@
 
 import org.apache.tsfile.constant.TestConstant;
 import org.apache.tsfile.enums.TSDataType;
-import org.apache.tsfile.file.metadata.IDeviceID;
-import org.apache.tsfile.file.metadata.TableSchema;
 import org.apache.tsfile.file.metadata.enums.CompressionType;
 import org.apache.tsfile.file.metadata.enums.TSEncoding;
 import org.apache.tsfile.file.metadata.statistics.LongStatistics;
-import org.apache.tsfile.read.TsFileSequenceReader;
 import org.apache.tsfile.read.common.TimeRange;
-import org.apache.tsfile.read.common.block.TsBlock;
-import org.apache.tsfile.read.controller.CachedChunkLoaderImpl;
-import org.apache.tsfile.read.controller.MetadataQuerierByFileImpl;
-import org.apache.tsfile.read.query.executor.TableQueryExecutor;
-import org.apache.tsfile.read.reader.block.TsBlockReader;
 import org.apache.tsfile.write.chunk.AlignedChunkWriterImpl;
-import org.apache.tsfile.write.record.Tablet;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
 import org.apache.tsfile.write.schema.MeasurementSchema;
 import org.apache.tsfile.write.writer.TsFileIOWriter;
 
 import org.junit.After;
-import org.junit.Assert;
-import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
-import java.util.Random;
 
 public class TsFileReaderEmptyChunkTest {
 
@@ -59,92 +46,6 @@ public void teardown() {
     new File(FILE_PATH).delete();
   }
 
-  @Test
-  public void testReadEmptyChunk() throws IOException {
-    TsFileSequenceReader tsFileSequenceReader = null;
-    TableQueryExecutor tableQueryExecutor = null;
-    final List<String> measurementNames = Arrays.asList("s1", "s2", "s3", "s4");
-    try (TsFileIOWriter writer = new TsFileIOWriter(new File(FILE_PATH))) {
-      final String tableName = "table";
-      registerTableSchema(writer, tableName);
-      generateDevice(writer, tableName, 1, 1, 10);
-      writer.endFile();
-
-      tsFileSequenceReader = new TsFileSequenceReader(FILE_PATH, true, true);
-      tableQueryExecutor =
-          new TableQueryExecutor(
-              new MetadataQuerierByFileImpl(tsFileSequenceReader),
-              new CachedChunkLoaderImpl(tsFileSequenceReader),
-              TableQueryExecutor.TableQueryOrdering.DEVICE);
-      final TsBlockReader tsBlockReader =
-          tableQueryExecutor.query(tableName, measurementNames, null, null, null);
-
-      int nullValueCount = 0;
-
-      while (tsBlockReader.hasNext()) {
-        final TsBlock tsBlock = tsBlockReader.next();
-        final TsBlock.TsBlockRowIterator iterator = tsBlock.getTsBlockRowIterator();
-        while (iterator.hasNext()) {
-          final Object[] row = iterator.next();
-          for (Object o : row) {
-            if (o == null) {
-              nullValueCount++;
-            }
-          }
-        }
-      }
-
-      Assert.assertEquals(10, nullValueCount);
-    } catch (final Exception e) {
-      Assert.fail(e.getMessage());
-    } finally {
-      if (tsFileSequenceReader != null) {
-        tsFileSequenceReader.close();
-      }
-    }
-  }
-
-  private void registerTableSchema(final TsFileIOWriter writer, final String tableName) {
-    final List<IMeasurementSchema> schemas =
-        Arrays.asList(
-            new MeasurementSchema(
-                "id", TSDataType.TEXT, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED),
-            new MeasurementSchema("s1", TSDataType.INT64),
-            new MeasurementSchema("s2", TSDataType.INT64),
-            new MeasurementSchema("s3", TSDataType.INT64),
-            new MeasurementSchema("s4", TSDataType.INT64));
-    final List<Tablet.ColumnType> columnTypes =
-        Arrays.asList(
-            Tablet.ColumnType.ID,
-            Tablet.ColumnType.MEASUREMENT,
-            Tablet.ColumnType.MEASUREMENT,
-            Tablet.ColumnType.MEASUREMENT,
-            Tablet.ColumnType.MEASUREMENT);
-    final TableSchema tableSchema = new TableSchema(tableName, schemas, columnTypes);
-    writer.getSchema().registerTableSchema(tableSchema);
-  }
-
-  private void generateDevice(
-      final TsFileIOWriter writer,
-      final String tableName,
-      final int deviceNum,
-      final int minTime,
-      final int maxTime)
-      throws IOException {
-    for (int i = 0; i < deviceNum; i++) {
-      final IDeviceID deviceID =
-          IDeviceID.Factory.DEFAULT_FACTORY.create(new String[] {tableName, "d" + i});
-      writer.startChunkGroup(deviceID);
-      final List<String> measurementNames = Arrays.asList("s1", "s2", "s3", "s4");
-      generateSimpleAlignedSeriesToCurrentDevice(
-          writer,
-          Arrays.asList("s1", "s2", "s3", "s4"),
-          new TimeRange[] {new TimeRange(minTime, maxTime)},
-          new Random().nextInt(measurementNames.size()));
-      writer.endChunkGroup();
-    }
-  }
-
   public void generateSimpleAlignedSeriesToCurrentDevice(
       final TsFileIOWriter writer,
       final List<String> measurementNames,