diff --git a/src/matrix/storage/idb/Transaction.ts b/src/matrix/storage/idb/Transaction.ts
index fd2c75a3..a4b68048 100644
--- a/src/matrix/storage/idb/Transaction.ts
+++ b/src/matrix/storage/idb/Transaction.ts
@@ -56,9 +56,6 @@ export class Transaction {
     private _writeErrors: WriteErrorInfo[];
 
     constructor(txn: IDBTransaction, allowedStoreNames: StoreNames[], storage: Storage) {
-        this._txn = txn;
-        this._allowedStoreNames = allowedStoreNames;
-        this._stores = {};
         this._txn = txn;
         this._allowedStoreNames = allowedStoreNames;
         this._stores = {};