fix(sled): Fix unused import when experimental-timeline isn't enabled
@@ -51,7 +51,9 @@ use ruma::{
signatures::{redact_in_place, CanonicalJsonObject},
RoomVersionId,
};
-use serde::{de::DeserializeOwned, Deserialize, Serialize};
+#[cfg(feature = "experimental-timeline")]
+use serde::Deserialize;
+use serde::{de::DeserializeOwned, Serialize};
use sled::{
transaction::{ConflictableTransactionError, TransactionError},
Config, Db, Transactional, Tree,
