diff --git a/lib/modules/database/transaction.js b/lib/modules/database/transaction.js
index cbde0edc..5ac6dd4e 100644
--- a/lib/modules/database/transaction.js
+++ b/lib/modules/database/transaction.js
@@ -21,14 +21,13 @@ const generateTransactionId = (): number => transactionId++;
  */
 export default class TransactionHandler {
   _database: Database;
-  _transactionListener: Function;
   _transactions: { [number]: Object };
 
   constructor(database: Database) {
     this._transactions = {};
     this._database = database;
 
-    this._transactionListener = SharedEventEmitter.addListener(
+    SharedEventEmitter.addListener(
       getAppEventName(this._database, 'database_transaction_event'),
       this._handleTransactionEvent.bind(this)
     );