diff --git a/spring-context/src/test/java/org/springframework/cache/config/CustomInterceptorTests.java b/spring-context/src/test/java/org/springframework/cache/config/CustomInterceptorTests.java
index 653a1b2edd..b3a63c0dc7 100644
--- a/spring-context/src/test/java/org/springframework/cache/config/CustomInterceptorTests.java
+++ b/spring-context/src/test/java/org/springframework/cache/config/CustomInterceptorTests.java
@@ -113,6 +113,7 @@ public class CustomInterceptorTests {
 	 * A test {@link CacheInterceptor} that handles special exception
 	 * types.
 	 */
+	@SuppressWarnings("serial")
 	static class TestCacheInterceptor extends CacheInterceptor {
 
 		@Override
diff --git a/spring-context/src/test/java/org/springframework/scheduling/annotation/AsyncExecutionTests.java b/spring-context/src/test/java/org/springframework/scheduling/annotation/AsyncExecutionTests.java
index 6e50d66346..2e503211ef 100644
--- a/spring-context/src/test/java/org/springframework/scheduling/annotation/AsyncExecutionTests.java
+++ b/spring-context/src/test/java/org/springframework/scheduling/annotation/AsyncExecutionTests.java
@@ -410,6 +410,7 @@ public class AsyncExecutionTests {
 
 
 	@Async
+	@SuppressWarnings("serial")
 	public static class AsyncClassBean implements Serializable, DisposableBean {
 
 		public void doSomething(int i) {