diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateAvailabilityProviders.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateAvailabilityProviders.java
index 460dae4e63..58acc24861 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateAvailabilityProviders.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/template/TemplateAvailabilityProviders.java
@@ -54,9 +54,7 @@ public class TemplateAvailabilityProviders {
 	/**
 	 * Map from view name resolve template view, synchronized when accessed.
 	 */
-	@SuppressWarnings("serial")
-	private final Map<String, TemplateAvailabilityProvider> cache = new LinkedHashMap<String, TemplateAvailabilityProvider>(
-			CACHE_LIMIT, 0.75f, true) {
+	private final Map<String, TemplateAvailabilityProvider> cache = new LinkedHashMap<>(CACHE_LIMIT, 0.75f, true) {
 
 		@Override
 		protected boolean removeEldestEntry(Map.Entry<String, TemplateAvailabilityProvider> eldest) {