diff --git a/libraries/common/src/test/java/androidx/media3/common/AdPlaybackStateTest.java b/libraries/common/src/test/java/androidx/media3/common/AdPlaybackStateTest.java
index 29d6383971..6a07dce3dc 100644
--- a/libraries/common/src/test/java/androidx/media3/common/AdPlaybackStateTest.java
+++ b/libraries/common/src/test/java/androidx/media3/common/AdPlaybackStateTest.java
@@ -421,13 +421,12 @@ public class AdPlaybackStateTest {
 
     Bundle adPlaybackStateWithNoAdsBundle = adPlaybackStateWithNoAds.toBundle();
 
-    // check Bundle created above, contains no keys.
+    // Check that default values are skipped when bundling.
     assertThat(adPlaybackStateWithNoAdsBundle.keySet()).isEmpty();
 
     AdPlaybackState adPlaybackStateWithNoAdsFromBundle =
         AdPlaybackState.CREATOR.fromBundle(adPlaybackStateWithNoAdsBundle);
 
-    // check object retrieved from adPlaybackStateWithNoAdsBundle is equal to AdPlaybackState.NONE
     assertThat(adPlaybackStateWithNoAdsFromBundle.adsId).isEqualTo(adPlaybackStateWithNoAds.adsId);
     assertThat(adPlaybackStateWithNoAdsFromBundle.adGroupCount)
         .isEqualTo(adPlaybackStateWithNoAds.adGroupCount);
diff --git a/libraries/common/src/test/java/androidx/media3/common/MediaItemTest.java b/libraries/common/src/test/java/androidx/media3/common/MediaItemTest.java
index 30b5853e5f..3f557ca8d2 100644
--- a/libraries/common/src/test/java/androidx/media3/common/MediaItemTest.java
+++ b/libraries/common/src/test/java/androidx/media3/common/MediaItemTest.java
@@ -375,12 +375,18 @@ public class MediaItemTest {
   }
 
   @Test
-  public void createDefaultClippingConfigurationInstance_roundTripViaBundle_yieldsEqualInstance() {
+  public void
+      createDefaultClippingConfigurationInstance_toBundleSkipsDefaultValues_fromBundleRestoresThem() {
     MediaItem.ClippingConfiguration clippingConfiguration =
         new MediaItem.ClippingConfiguration.Builder().build();
 
+    Bundle clippingConfigurationBundle = clippingConfiguration.toBundle();
+
+    // Check that default values are skipped when bundling.
+    assertThat(clippingConfigurationBundle.keySet()).isEmpty();
+
     MediaItem.ClippingConfiguration clippingConfigurationFromBundle =
-        MediaItem.ClippingConfiguration.CREATOR.fromBundle(clippingConfiguration.toBundle());
+        MediaItem.ClippingConfiguration.CREATOR.fromBundle(clippingConfigurationBundle);
 
     assertThat(clippingConfigurationFromBundle).isEqualTo(clippingConfiguration);
   }
@@ -558,12 +564,18 @@ public class MediaItemTest {
   }
 
   @Test
-  public void createDefaultLiveConfigurationInstance_roundTripViaBundle_yieldsEqualInstance() {
+  public void
+      createDefaultLiveConfigurationInstance_toBundleSkipsDefaultValues_fromBundleRestoresThem() {
     MediaItem.LiveConfiguration liveConfiguration =
         new MediaItem.LiveConfiguration.Builder().build();
 
+    Bundle liveConfigurationBundle = liveConfiguration.toBundle();
+
+    // Check that default values are skipped when bundling.
+    assertThat(liveConfigurationBundle.keySet()).isEmpty();
+
     MediaItem.LiveConfiguration liveConfigurationFromBundle =
-        MediaItem.LiveConfiguration.CREATOR.fromBundle(liveConfiguration.toBundle());
+        MediaItem.LiveConfiguration.CREATOR.fromBundle(liveConfigurationBundle);
 
     assertThat(liveConfigurationFromBundle).isEqualTo(liveConfiguration);
   }
@@ -832,9 +844,14 @@ public class MediaItemTest {
   }
 
   @Test
-  public void createDefaultMediaItemInstance_roundTripViaBundle_yieldsEqualInstance() {
+  public void createDefaultMediaItemInstance_toBundleSkipsDefaultValues_fromBundleRestoresThem() {
     MediaItem mediaItem = new MediaItem.Builder().build();
 
+    Bundle mediaItemBundle = mediaItem.toBundle();
+
+    // Check that default values are skipped when bundling.
+    assertThat(mediaItemBundle.keySet()).isEmpty();
+
     MediaItem mediaItemFromBundle = MediaItem.CREATOR.fromBundle(mediaItem.toBundle());
 
     assertThat(mediaItemFromBundle).isEqualTo(mediaItem);
diff --git a/libraries/common/src/test/java/androidx/media3/common/MediaMetadataTest.java b/libraries/common/src/test/java/androidx/media3/common/MediaMetadataTest.java
index d2810ddd1b..904c55ee15 100644
--- a/libraries/common/src/test/java/androidx/media3/common/MediaMetadataTest.java
+++ b/libraries/common/src/test/java/androidx/media3/common/MediaMetadataTest.java
@@ -112,12 +112,11 @@ public class MediaMetadataTest {
 
     Bundle mediaMetadataBundle = mediaMetadata.toBundle();
 
-    // check Bundle created above, contains no keys.
+    // Check that default values are skipped when bundling.
     assertThat(mediaMetadataBundle.keySet()).isEmpty();
 
     MediaMetadata mediaMetadataFromBundle = MediaMetadata.CREATOR.fromBundle(mediaMetadataBundle);
 
-    // check object retrieved from mediaMetadataBundle is equal to mediaMetadata.
     assertThat(mediaMetadataFromBundle).isEqualTo(mediaMetadata);
     // Extras is not implemented in MediaMetadata.equals(Object o).
     assertThat(mediaMetadataFromBundle.extras).isNull();