diff --git a/infrastructure/src/main/java/org/springframework/batch/io/driving/DrivingQueryInputSource.java b/infrastructure/src/main/java/org/springframework/batch/io/driving/DrivingQueryInputSource.java
index 9d93f5705..30a27130d 100644
--- a/infrastructure/src/main/java/org/springframework/batch/io/driving/DrivingQueryInputSource.java
+++ b/infrastructure/src/main/java/org/springframework/batch/io/driving/DrivingQueryInputSource.java
@@ -26,8 +26,6 @@ import org.springframework.batch.restart.RestartData;
 import org.springframework.batch.restart.Restartable;
 import org.springframework.beans.factory.DisposableBean;
 import org.springframework.beans.factory.InitializingBean;
-import org.springframework.transaction.support.TransactionSynchronization;
-import org.springframework.transaction.support.TransactionSynchronizationAdapter;
 import org.springframework.util.Assert;
 
 /**
diff --git a/infrastructure/src/main/java/org/springframework/batch/io/file/support/FlatFileOutputSource.java b/infrastructure/src/main/java/org/springframework/batch/io/file/support/FlatFileOutputSource.java
index 08c1b2dd5..f750b0094 100644
--- a/infrastructure/src/main/java/org/springframework/batch/io/file/support/FlatFileOutputSource.java
+++ b/infrastructure/src/main/java/org/springframework/batch/io/file/support/FlatFileOutputSource.java
@@ -34,7 +34,6 @@ import org.springframework.batch.io.exception.BatchEnvironmentException;
 import org.springframework.batch.io.file.support.transform.Converter;
 import org.springframework.batch.io.support.AbstractTransactionalIoSource;
 import org.springframework.batch.item.ResourceLifecycle;
-import org.springframework.batch.repeat.synch.BatchTransactionSynchronizationManager;
 import org.springframework.batch.restart.GenericRestartData;
 import org.springframework.batch.restart.RestartData;
 import org.springframework.batch.restart.Restartable;
@@ -43,8 +42,6 @@ import org.springframework.beans.factory.DisposableBean;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.core.io.Resource;
 import org.springframework.dao.DataAccessResourceFailureException;
-import org.springframework.transaction.support.TransactionSynchronization;
-import org.springframework.transaction.support.TransactionSynchronizationAdapter;
 import org.springframework.util.Assert;
 
 /**