diff --git a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/AsynchronousMediaCodecBufferEnqueuer.java b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/AsynchronousMediaCodecBufferEnqueuer.java
index 428d64d0b1..42590eed8a 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/AsynchronousMediaCodecBufferEnqueuer.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/AsynchronousMediaCodecBufferEnqueuer.java
@@ -292,6 +292,8 @@ class AsynchronousMediaCodecBufferEnqueuer implements MediaCodecInputBufferEnque
   }
 
   /** Performs a deep copy of {@code cryptoInfo} to {@code frameworkCryptoInfo}. */
+  // TODO: Remove suppression [internal b/78934030].
+  @SuppressWarnings("nullness:argument.type.incompatible")
   private static void copy(
       CryptoInfo cryptoInfo, android.media.MediaCodec.CryptoInfo frameworkCryptoInfo) {
     // Update frameworkCryptoInfo fields directly because CryptoInfo.set performs an unnecessary