diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/HddsUtils.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/HddsUtils.java
index 9950808a820e..0fe5d9a69749 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/HddsUtils.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/HddsUtils.java
@@ -372,7 +372,6 @@ public static String getHostName(ConfigurationSource conf)
       if (dnsInterface == null) {
         // Try the legacy configuration keys.
         dnsInterface = conf.get(HDDS_DATANODE_DNS_INTERFACE_KEY);
-        dnsInterface = conf.get(HDDS_DATANODE_DNS_INTERFACE_KEY);
         nameServer = conf.get(HDDS_DATANODE_DNS_NAMESERVER_KEY);
       } else {
         // If HADOOP_SECURITY_DNS_* is set then also attempt hosts file