diff --git a/apex/media/framework/java/android/media/MediaCommunicationManager.java b/apex/media/framework/java/android/media/MediaCommunicationManager.java
index 0f00dbb625814..8ee9616411b88 100644
--- a/apex/media/framework/java/android/media/MediaCommunicationManager.java
+++ b/apex/media/framework/java/android/media/MediaCommunicationManager.java
@@ -34,6 +34,8 @@ import android.service.media.MediaBrowserService;
 import android.util.Log;
 import android.view.KeyEvent;
 
+import androidx.annotation.RequiresApi;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.modules.annotation.MinSdk;
 import com.android.modules.utils.build.SdkLevel;
@@ -49,6 +51,7 @@ import java.util.concurrent.Executor;
  * that applications have published to express their ongoing media playback state.
  */
 @MinSdk(Build.VERSION_CODES.S)
+@RequiresApi(Build.VERSION_CODES.S)
 @SystemService(Context.MEDIA_COMMUNICATION_SERVICE)
 public class MediaCommunicationManager {
     private static final String TAG = "MediaCommunicationManager";
diff --git a/apex/media/framework/java/android/media/MediaFrameworkInitializer.java b/apex/media/framework/java/android/media/MediaFrameworkInitializer.java
index 75a56b7231d9a..d7ad97d55daf9 100644
--- a/apex/media/framework/java/android/media/MediaFrameworkInitializer.java
+++ b/apex/media/framework/java/android/media/MediaFrameworkInitializer.java
@@ -23,6 +23,8 @@ import android.app.SystemServiceRegistry;
 import android.content.Context;
 import android.os.Build;
 
+import androidx.annotation.RequiresApi;
+
 import com.android.modules.annotation.MinSdk;
 import com.android.modules.utils.build.SdkLevel;
 
@@ -32,6 +34,7 @@ import com.android.modules.utils.build.SdkLevel;
  * @hide
  */
 @MinSdk(Build.VERSION_CODES.S)
+@RequiresApi(Build.VERSION_CODES.S)
 @SystemApi(client = Client.MODULE_LIBRARIES)
 public class MediaFrameworkInitializer {
     private MediaFrameworkInitializer() {
diff --git a/apex/media/framework/java/android/media/MediaParser.java b/apex/media/framework/java/android/media/MediaParser.java
index 8cc3bc08dfb5f..b6f85c7eac6f3 100644
--- a/apex/media/framework/java/android/media/MediaParser.java
+++ b/apex/media/framework/java/android/media/MediaParser.java
@@ -199,6 +199,7 @@ import java.util.function.Function;
  *
  * </pre>
  */
+@RequiresApi(Build.VERSION_CODES.R)
 public final class MediaParser {
 
     /**
diff --git a/apex/media/framework/java/android/media/MediaTranscodingManager.java b/apex/media/framework/java/android/media/MediaTranscodingManager.java
index 7e4799cb477a0..3bfffbcd44511 100644
--- a/apex/media/framework/java/android/media/MediaTranscodingManager.java
+++ b/apex/media/framework/java/android/media/MediaTranscodingManager.java
@@ -33,6 +33,8 @@ import android.os.ServiceSpecificException;
 import android.system.Os;
 import android.util.Log;
 
+import androidx.annotation.RequiresApi;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.modules.annotation.MinSdk;
@@ -85,6 +87,7 @@ import java.util.concurrent.Executors;
  @hide
  */
 @MinSdk(Build.VERSION_CODES.S)
+@RequiresApi(Build.VERSION_CODES.S)
 @SystemApi
 public final class MediaTranscodingManager {
     private static final String TAG = "MediaTranscodingManager";