diff --git a/tdenginereader/src/test/java/com/alibaba/datax/plugin/reader/TDengineReaderTest.java b/tdenginereader/src/test/java/com/alibaba/datax/plugin/reader/TDengineReaderTest.java
index 9d83f743..d51d4229 100644
--- a/tdenginereader/src/test/java/com/alibaba/datax/plugin/reader/TDengineReaderTest.java
+++ b/tdenginereader/src/test/java/com/alibaba/datax/plugin/reader/TDengineReaderTest.java
@@ -8,7 +8,6 @@ import org.junit.Test;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.List;
-import java.util.stream.IntStream;
 
 public class TDengineReaderTest {