diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.java
index 72d2d45983..3f27e45af8 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.java
@@ -49,7 +49,7 @@ extends TokenIdentifier {
   private int masterKeyId = 0;
   
   public AbstractDelegationTokenIdentifier() {
-    this(new Text(), new Text(), new Text());
+    this(null, null, null);
   }
   
   public AbstractDelegationTokenIdentifier(Text owner, Text renewer, Text realUser) {