diff --git a/libraries/common/src/main/java/androidx/media3/common/text/VoiceSpan.java b/libraries/common/src/main/java/androidx/media3/common/text/VoiceSpan.java
index 66f74b1004..570e770dda 100644
--- a/libraries/common/src/main/java/androidx/media3/common/text/VoiceSpan.java
+++ b/libraries/common/src/main/java/androidx/media3/common/text/VoiceSpan.java
@@ -31,7 +31,7 @@ import java.util.Set;
  *   voice spans</a>.
  */
 @UnstableApi
-public final class VoiceSpan implements LanguageFeatureSpan {
+public final class VoiceSpan {
 
   /** The speaker name. */
   public final String speakerName;