diff --git a/src/test/java/org/springframework/retry/annotation/EnableRetryTests.java b/src/test/java/org/springframework/retry/annotation/EnableRetryTests.java
index db4c516..f4bcbbb 100644
--- a/src/test/java/org/springframework/retry/annotation/EnableRetryTests.java
+++ b/src/test/java/org/springframework/retry/annotation/EnableRetryTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2021 the original author or authors.
+ * Copyright 2006-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -456,7 +456,7 @@ public class EnableRetryTests {
 
 		@Bean
 		public Integer integerFiveBean() {
-			return Integer.valueOf(5);
+			return 5;
 		}
 
 		@Bean
diff --git a/src/test/java/org/springframework/retry/backoff/DummySleeper.java b/src/test/java/org/springframework/retry/backoff/DummySleeper.java
index c4bdcd7..e4f645c 100644
--- a/src/test/java/org/springframework/retry/backoff/DummySleeper.java
+++ b/src/test/java/org/springframework/retry/backoff/DummySleeper.java
@@ -35,7 +35,7 @@ public class DummySleeper implements Sleeper {
 	 * @return the lastBackOff
 	 */
 	public long getLastBackOff() {
-		return backOffs.get(backOffs.size() - 1).longValue();
+		return backOffs.get(backOffs.size() - 1);
 	}
 
 	public long[] getBackOffs() {
@@ -43,7 +43,7 @@ public class DummySleeper implements Sleeper {
 		int i = 0;
 		for (Iterator<Long> iterator = backOffs.iterator(); iterator.hasNext();) {
 			Long value = iterator.next();
-			result[i++] = value.longValue();
+			result[i++] = value;
 		}
 		return result;
 	}
@@ -54,7 +54,7 @@ public class DummySleeper implements Sleeper {
 	 * @see org.springframework.batch.retry.backoff.Sleeper#sleep(long)
 	 */
 	public void sleep(long backOffPeriod) throws InterruptedException {
-		this.backOffs.add(Long.valueOf(backOffPeriod));
+		this.backOffs.add(backOffPeriod);
 	}
 
 }