diff --git a/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/HoodieDeltaStreamerWrapper.java b/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/HoodieDeltaStreamerWrapper.java
index f28e6bfc0..5179e892c 100644
--- a/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/HoodieDeltaStreamerWrapper.java
+++ b/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/HoodieDeltaStreamerWrapper.java
@@ -18,8 +18,6 @@
 
 package org.apache.hudi.integ.testsuite;
 
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hudi.client.WriteStatus;
 import org.apache.hudi.common.model.HoodieRecord;
 import org.apache.hudi.common.util.collection.Pair;
diff --git a/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/generator/DeltaGenerator.java b/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/generator/DeltaGenerator.java
index 930f3078d..c9d129ec9 100644
--- a/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/generator/DeltaGenerator.java
+++ b/hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/generator/DeltaGenerator.java
@@ -41,9 +41,6 @@ import org.apache.hudi.integ.testsuite.writer.DeltaWriteStats;
 import org.apache.hudi.integ.testsuite.writer.DeltaWriterAdapter;
 import org.apache.hudi.integ.testsuite.writer.DeltaWriterFactory;
 import org.apache.hudi.keygen.BuiltinKeyGenerator;
-import org.apache.hudi.keygen.ComplexKeyGenerator;
-import org.apache.hudi.keygen.KeyGenerator;
-import org.apache.hudi.keygen.SimpleKeyGenerator;
 import org.apache.hudi.integ.testsuite.configuration.DFSDeltaConfig;
 import org.apache.hudi.integ.testsuite.configuration.DeltaConfig;
 import org.apache.hudi.integ.testsuite.configuration.DeltaConfig.Config;
diff --git a/hudi-integ-test/src/test/java/org/apache/hudi/integ/ITTestBase.java b/hudi-integ-test/src/test/java/org/apache/hudi/integ/ITTestBase.java
index 3ffa0cfb3..04231036c 100644
--- a/hudi-integ-test/src/test/java/org/apache/hudi/integ/ITTestBase.java
+++ b/hudi-integ-test/src/test/java/org/apache/hudi/integ/ITTestBase.java
@@ -18,7 +18,6 @@
 
 package org.apache.hudi.integ;
 
-import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import org.apache.hudi.common.util.FileIOUtils;
 import org.apache.hudi.common.util.collection.Pair;