diff --git a/api/current.txt b/api/current.txt
index ed7047446ee1e..1c4f85bc7abe5 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7703,8 +7703,6 @@ package android.content {
     method public void setExtras(android.os.PersistableBundle);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.ClipDescription> CREATOR;
-    field public static final java.lang.String EXTRA_TARGET_COMPONENT_NAME = "android.content.extra.TARGET_COMPONENT_NAME";
-    field public static final java.lang.String EXTRA_USER_SERIAL_NUMBER = "android.content.extra.USER_SERIAL_NUMBER";
     field public static final java.lang.String MIMETYPE_TEXT_HTML = "text/html";
     field public static final java.lang.String MIMETYPE_TEXT_INTENT = "text/vnd.android.intent";
     field public static final java.lang.String MIMETYPE_TEXT_PLAIN = "text/plain";
diff --git a/api/system-current.txt b/api/system-current.txt
index 0896214550867..039b9adc24a23 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -8001,8 +8001,6 @@ package android.content {
     method public void setExtras(android.os.PersistableBundle);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.ClipDescription> CREATOR;
-    field public static final java.lang.String EXTRA_TARGET_COMPONENT_NAME = "android.content.extra.TARGET_COMPONENT_NAME";
-    field public static final java.lang.String EXTRA_USER_SERIAL_NUMBER = "android.content.extra.USER_SERIAL_NUMBER";
     field public static final java.lang.String MIMETYPE_TEXT_HTML = "text/html";
     field public static final java.lang.String MIMETYPE_TEXT_INTENT = "text/vnd.android.intent";
     field public static final java.lang.String MIMETYPE_TEXT_PLAIN = "text/plain";
diff --git a/api/test-current.txt b/api/test-current.txt
index a190d9581726f..3febda193f3dd 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -7707,8 +7707,6 @@ package android.content {
     method public void setExtras(android.os.PersistableBundle);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.ClipDescription> CREATOR;
-    field public static final java.lang.String EXTRA_TARGET_COMPONENT_NAME = "android.content.extra.TARGET_COMPONENT_NAME";
-    field public static final java.lang.String EXTRA_USER_SERIAL_NUMBER = "android.content.extra.USER_SERIAL_NUMBER";
     field public static final java.lang.String MIMETYPE_TEXT_HTML = "text/html";
     field public static final java.lang.String MIMETYPE_TEXT_INTENT = "text/vnd.android.intent";
     field public static final java.lang.String MIMETYPE_TEXT_PLAIN = "text/plain";
diff --git a/core/java/android/content/ClipDescription.java b/core/java/android/content/ClipDescription.java
index 1b024e2a7cb03..461d1e04e5246 100644
--- a/core/java/android/content/ClipDescription.java
+++ b/core/java/android/content/ClipDescription.java
@@ -71,6 +71,7 @@ public class ClipDescription implements Parcelable {
      * and {@link ComponentName#flattenToString()} to convert the extra value
      * to/from {@link ComponentName}.
      * </p>
+     * @hide
      */
     public static final String EXTRA_TARGET_COMPONENT_NAME =
             "android.content.extra.TARGET_COMPONENT_NAME";
@@ -81,6 +82,7 @@ public class ClipDescription implements Parcelable {
      * <p>
      * Type: long
      * </p>
+     * @hide
      */
     public static final String EXTRA_USER_SERIAL_NUMBER =
             "android.content.extra.USER_SERIAL_NUMBER";