diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/servlet/CompositeHandlerAdapter.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/servlet/CompositeHandlerAdapter.java
index a116a10a92..b536d10ed4 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/servlet/CompositeHandlerAdapter.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/servlet/CompositeHandlerAdapter.java
@@ -61,6 +61,7 @@ class CompositeHandlerAdapter implements HandlerAdapter {
 	}
 
 	@Override
+	@Deprecated
 	public long getLastModified(HttpServletRequest request, Object handler) {
 		Optional<HandlerAdapter> adapter = getAdapter(handler);
 		return adapter.map((handlerAdapter) -> handlerAdapter.getLastModified(request, handler)).orElse(0L);