diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/common/naming/ConsistentHashingTopicBundleAssigner.java b/pulsar-broker/src/main/java/org/apache/pulsar/common/naming/ConsistentHashingTopicBundleAssigner.java
index ec19708948619..7ff6f3194a02f 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/common/naming/ConsistentHashingTopicBundleAssigner.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/common/naming/ConsistentHashingTopicBundleAssigner.java
@@ -28,8 +28,6 @@
 public class ConsistentHashingTopicBundleAssigner implements TopicBundleAssignmentStrategy {
     private PulsarService pulsar;
 
-    private volatile HashFunction hashFunction;
-
     @Override
     public NamespaceBundle findBundle(TopicName topicName, NamespaceBundles namespaceBundles) {
         NamespaceBundle bundle = namespaceBundles.getBundle(calculateBundleHashCode(topicName));
@@ -41,10 +39,7 @@ public NamespaceBundle findBundle(TopicName topicName, NamespaceBundles namespac
 
     @Override
     public long calculateBundleHashCode(TopicName topicName) {
-        if (hashFunction == null) {
-            hashFunction = getBundleHashFunc();
-        }
-        return hashFunction.hashString(topicName.toString(), StandardCharsets.UTF_8).padToLong();
+        return getBundleHashFunc().hashString(topicName.toString(), StandardCharsets.UTF_8).padToLong();
     }
 
     @Override