diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/BookKeeperClientFactoryImpl.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/BookKeeperClientFactoryImpl.java
index 67a12a7f402f8..a59ee6525235a 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/BookKeeperClientFactoryImpl.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/BookKeeperClientFactoryImpl.java
@@ -123,7 +123,6 @@ ClientConfiguration createBkClientConfiguration(ServiceConfiguration conf) {
         bkConf.setStickyReadsEnabled(conf.isBookkeeperEnableStickyReads());
         bkConf.setNettyMaxFrameSizeBytes(conf.getMaxMessageSize() + Commands.MESSAGE_SIZE_FRAME_PADDING);
         bkConf.setDiskWeightBasedPlacementEnabled(conf.isBookkeeperDiskWeightBasedPlacementEnabled());
-        bkConf.setNumWorkerThreads(1);
 
         if (StringUtils.isNotBlank(conf.getBookkeeperMetadataServiceUri())) {
             bkConf.setMetadataServiceUri(conf.getBookkeeperMetadataServiceUri());