diff --git a/conf/kyuubi-defaults.conf.template b/conf/kyuubi-defaults.conf.template
index b70f6eaf4..91bacb3ea 100644
--- a/conf/kyuubi-defaults.conf.template
+++ b/conf/kyuubi-defaults.conf.template
@@ -165,8 +165,3 @@
 # spark.sql.adaptive.skewJoin.skewedPartitionFactor         5
 # spark.sql.adaptive.skewJoin.skewedPartitionThresholdInBytes 256m
 # spark.sql.adaptive.nonEmptyPartitionRatioForBroadcastJoin 0.2
-
-## Hadoop Configurations, they will override those in $HADOOP_CONF_DIR
-#
-# hadoop.security.authentication  KERBEROS
-#
diff --git a/docs/deployment/settings.md b/docs/deployment/settings.md
index 2a06632f6..a0d83d136 100644
--- a/docs/deployment/settings.md
+++ b/docs/deployment/settings.md
@@ -238,11 +238,6 @@ You can configure the Kyuubi properties in `$KYUUBI_HOME/conf/kyuubi-defaults.co
 # spark.sql.adaptive.skewJoin.skewedPartitionFactor         5
 # spark.sql.adaptive.skewJoin.skewedPartitionThresholdInBytes 256m
 # spark.sql.adaptive.nonEmptyPartitionRatioForBroadcastJoin 0.2
-
-## Hadoop Configurations, they will override those in $HADOOP_CONF_DIR
-#
-# hadoop.security.authentication  KERBEROS
-#
 ```
 ### Authentication