diff --git a/jdk/src/java.base/share/classes/java/lang/invoke/LambdaMetafactory.java b/jdk/src/java.base/share/classes/java/lang/invoke/LambdaMetafactory.java
index b09744cba7d..5f56dd6ab43 100644
--- a/jdk/src/java.base/share/classes/java/lang/invoke/LambdaMetafactory.java
+++ b/jdk/src/java.base/share/classes/java/lang/invoke/LambdaMetafactory.java
@@ -213,7 +213,9 @@ import java.util.Arrays;
  * methods.
  * @since 1.8
  */
-public class LambdaMetafactory {
+public final class LambdaMetafactory {
+
+    private LambdaMetafactory() {}
 
     /** Flag for alternate metafactories indicating the lambda object
      * must be serializable */