diff --git a/core/storage/mod.rs b/core/storage/mod.rs
index a3f396287..c62a2a9df 100644
--- a/core/storage/mod.rs
+++ b/core/storage/mod.rs
@@ -18,6 +18,7 @@ pub(crate) mod page_cache;
 #[allow(clippy::arc_with_non_send_sync)]
 pub(crate) mod pager;
 pub(crate) mod sqlite3_ondisk;
+mod state_machines;
 #[allow(clippy::arc_with_non_send_sync)]
 pub(crate) mod wal;
 
diff --git a/core/storage/state_machines.rs b/core/storage/state_machines.rs
new file mode 100644
index 000000000..e69de29bb