--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -3220,21 +3220,16 @@ void MediaDecoderStateMachine::BufferedR
   }
 }
 
 RefPtr<MediaDecoder::SeekPromise>
 MediaDecoderStateMachine::Seek(const SeekTarget& aTarget)
 {
   MOZ_ASSERT(OnTaskQueue());
 
-  if (IsShutdown()) {
-    return MediaDecoder::SeekPromise::CreateAndReject(/* aIgnored = */ true,
-                                                      __func__);
-  }
-
   // We need to be able to seek in some way
   if (!mMediaSeekable && !mMediaSeekableOnlyInBufferedRanges) {
     LOGW("Seek() should not be called on a non-seekable media");
     return MediaDecoder::SeekPromise::CreateAndReject(/* aIgnored = */ true,
                                                       __func__);
   }
 
   if (aTarget.IsNextFrame() && !HasVideo()) {