diff --git a/api/current.xml b/api/current.xml
index fa8f84803ec1b..be1473131549d 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -163739,20 +163739,6 @@
 <parameter name="flags" type="int">
 </parameter>
 </constructor>
-<constructor name="Base64InputStream"
- type="android.util.base64.Base64InputStream"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<parameter name="in" type="java.io.InputStream">
-</parameter>
-<parameter name="flags" type="int">
-</parameter>
-<parameter name="encode" type="boolean">
-</parameter>
-</constructor>
 </class>
 <class name="Base64OutputStream"
  extends="java.io.FilterOutputStream"
@@ -163774,20 +163760,6 @@
 <parameter name="flags" type="int">
 </parameter>
 </constructor>
-<constructor name="Base64OutputStream"
- type="android.util.base64.Base64OutputStream"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-<parameter name="out" type="java.io.OutputStream">
-</parameter>
-<parameter name="flags" type="int">
-</parameter>
-<parameter name="encode" type="boolean">
-</parameter>
-</constructor>
 </class>
 </package>
 <package name="android.view"
diff --git a/core/java/android/util/base64/Base64InputStream.java b/core/java/android/util/base64/Base64InputStream.java
index c0c1636dbe7ef..646bbdb84e8fd 100644
--- a/core/java/android/util/base64/Base64InputStream.java
+++ b/core/java/android/util/base64/Base64InputStream.java
@@ -21,9 +21,8 @@ import java.io.IOException;
 import java.io.InputStream;
 
 /**
- * An OutputStream that does either Base64 encoding or decoding on the
- * data written to it, writing the resulting data to another
- * OutputStream.
+ * An InputStream that does Base64 decoding on the data read through
+ * it.
  */
 public class Base64InputStream extends FilterInputStream {
     private final boolean encode;
@@ -59,6 +58,8 @@ public class Base64InputStream extends FilterInputStream {
      * @param flags bit flags for controlling the decoder; see the
      *        constants in {@link Base64}
      * @param encode true to encode, false to decode
+     *
+     * @hide
      */
     public Base64InputStream(InputStream in, int flags, boolean encode) {
         super(in);
diff --git a/core/java/android/util/base64/Base64OutputStream.java b/core/java/android/util/base64/Base64OutputStream.java
index 126bde498a7ca..8edb511de80eb 100644
--- a/core/java/android/util/base64/Base64OutputStream.java
+++ b/core/java/android/util/base64/Base64OutputStream.java
@@ -21,9 +21,8 @@ import java.io.IOException;
 import java.io.OutputStream;
 
 /**
- * An OutputStream that does either Base64 encoding or decoding on the
- * data written to it, writing the resulting data to another
- * OutputStream.
+ * An OutputStream that does Base64 encoding on the data written to
+ * it, writing the resulting data to another OutputStream.
  */
 public class Base64OutputStream extends FilterOutputStream {
     private final boolean encode;
@@ -57,6 +56,8 @@ public class Base64OutputStream extends FilterOutputStream {
      * @param flags bit flags for controlling the encoder; see the
      *        constants in {@link Base64}
      * @param encode true to encode, false to decode
+     *
+     * @hide
      */
     public Base64OutputStream(OutputStream out, int flags, boolean encode) {
         super(out);