diff --git a/storage/src/main/java/org/apache/kafka/storage/log/metrics/BrokerTopicMetrics.java b/storage/src/main/java/org/apache/kafka/storage/log/metrics/BrokerTopicMetrics.java
index c638beb1e9a..a26c57b680d 100644
--- a/storage/src/main/java/org/apache/kafka/storage/log/metrics/BrokerTopicMetrics.java
+++ b/storage/src/main/java/org/apache/kafka/storage/log/metrics/BrokerTopicMetrics.java
@@ -30,7 +30,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
-public class BrokerTopicMetrics {
+public final class BrokerTopicMetrics {
     public static final String MESSAGE_IN_PER_SEC = "MessagesInPerSec";
     public static final String BYTES_IN_PER_SEC = "BytesInPerSec";
     public static final String BYTES_OUT_PER_SEC = "BytesOutPerSec";