diff --git a/spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java b/spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java
index d944c46700..4bab43c21b 100644
--- a/spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java
+++ b/spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ServletAnnotationControllerHandlerMethodTests.java
@@ -2410,6 +2410,7 @@ public class ServletAnnotationControllerHandlerMethodTests extends AbstractServl
 		}
 
 		@ResponseStatus(HttpStatus.NOT_FOUND)
+		@SuppressWarnings("serial")
 		private static class NotFoundException extends RuntimeException {
 		}
 	}