diff --git a/core/api/current.txt b/core/api/current.txt
index 6eb3ff88bec81..4106c3b4e32f0 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -21889,7 +21889,6 @@ package android.media {
     field public static final String KEY_ROTATION = "rotation-degrees";
     field public static final String KEY_SAMPLE_RATE = "sample-rate";
     field public static final String KEY_SLICE_HEIGHT = "slice-height";
-    field public static final String KEY_SLOW_MOTION_MARKERS = "slow-motion-markers";
     field public static final String KEY_STRIDE = "stride";
     field public static final String KEY_TEMPORAL_LAYERING = "ts-schema";
     field public static final String KEY_TILE_HEIGHT = "tile-height";
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 1a49b85403e44..de2c56afd6d9f 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -480,6 +480,8 @@ public final class MediaFormat {
      * <li>The timestampUs shall be monotonically increasing.</li>
      * <li>The timestampUs shall fall within the time span of the video track.</li>
      * <li>The first timestampUs should match that of the first video sample.</li>
+     *
+     * @hide
      */
     public static final String KEY_SLOW_MOTION_MARKERS = "slow-motion-markers";