diff --git a/core/mvcc/database/src/persistent_storage.rs b/core/mvcc/database/src/persistent_storage.rs
index 6ec92c810..60c3d0a80 100644
--- a/core/mvcc/database/src/persistent_storage.rs
+++ b/core/mvcc/database/src/persistent_storage.rs
@@ -44,6 +44,7 @@ pub struct JsonOnDiskStream {
     inner: tokio_stream::wrappers::LinesStream<tokio::io::BufReader<tokio::fs::File>>,
 }
 
+#[cfg(feature = "tokio")]
 impl futures::stream::Stream for JsonOnDiskStream {
     type Item = Mutation;