diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
index 5d4c2185c89..90c38d7aabb 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeMXBean.java
@@ -24,9 +24,11 @@ import java.util.Map;
 
 /**
  * 
- * This is the JMX management interface for data node information
+ * This is the JMX management interface for data node information.
+ * End users shouldn't be implementing these interfaces, and instead
+ * access this information through the JMX APIs.
  */
-@InterfaceAudience.Public
+@InterfaceAudience.Private
 @InterfaceStability.Stable
 public interface DataNodeMXBean {
   
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java
index c0d256a1da9..e796122c055 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeMXBean.java
@@ -24,9 +24,11 @@ import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
 
 /**
- * This is the JMX management interface for namenode information
+ * This is the JMX management interface for namenode information.
+ * End users shouldn't be implementing these interfaces, and instead
+ * access this information through the JMX APIs.
  */
-@InterfaceAudience.Public
+@InterfaceAudience.Private
 @InterfaceStability.Stable
 public interface NameNodeMXBean {
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeStatusMXBean.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeStatusMXBean.java
index 4f0b0011c80..7b373723ed2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeStatusMXBean.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeStatusMXBean.java
@@ -21,10 +21,12 @@ import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 
 /**
- * This is the JMX management interface for NameNode status information
+ * This is the JMX management interface for NameNode status information.
+ * End users shouldn't be implementing these interfaces, and instead
+ * access this information through the JMX APIs. *
  */
-@InterfaceAudience.Public
-@InterfaceStability.Evolving
+@InterfaceAudience.Private
+@InterfaceStability.Stable
 public interface NameNodeStatusMXBean {
 
   /**