diff --git a/spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/Jackson2ExecutionContextStringSerializer.java b/spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/Jackson2ExecutionContextStringSerializer.java
index 9b86f3c45..9748d469a 100644
--- a/spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/Jackson2ExecutionContextStringSerializer.java
+++ b/spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/Jackson2ExecutionContextStringSerializer.java
@@ -20,9 +20,7 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
diff --git a/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobLoaderConfigurationTests.java b/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobLoaderConfigurationTests.java
index 0b6a9b256..d0e1bab83 100644
--- a/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobLoaderConfigurationTests.java
+++ b/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobLoaderConfigurationTests.java
@@ -45,7 +45,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.support.ApplicationObjectSupport;
 import org.springframework.lang.Nullable;
 
 /**