diff --git a/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java b/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
index 0231428318ad..f7a0d4ab014b 100644
--- a/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
+++ b/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
@@ -59,7 +59,6 @@ public class SaslRpcHandler extends RpcHandler {
 
   private SparkSaslServer saslServer;
   private boolean isComplete;
-  private boolean isAuthenticated;
 
   public SaslRpcHandler(
       TransportConf conf,
@@ -72,7 +71,6 @@ public SaslRpcHandler(
     this.secretKeyHolder = secretKeyHolder;
     this.saslServer = null;
     this.isComplete = false;
-    this.isAuthenticated = false;
   }
 
   @Override