diff --git a/oracle/src/oracleimporter.cpp b/oracle/src/oracleimporter.cpp
index ed70a60fe..6417a9e0b 100644
--- a/oracle/src/oracleimporter.cpp
+++ b/oracle/src/oracleimporter.cpp
@@ -40,7 +40,7 @@ bool OracleImporter::readSetsFromByteArray(const QByteArray &data)
     QList<SetToDownload> newSetList;
 
     bool ok;
-    setsMap = QtJson::Json::parse(QString(data), ok).toMap().value("data").toMap();
+    auto setsMap = QtJson::Json::parse(QString(data), ok).toMap().value("data").toMap();
     if (!ok) {
         qDebug() << "error: QtJson::Json::parse()";
         return false;
diff --git a/oracle/src/oracleimporter.h b/oracle/src/oracleimporter.h
index 92d4faa8d..21a5d4405 100644
--- a/oracle/src/oracleimporter.h
+++ b/oracle/src/oracleimporter.h
@@ -136,7 +136,6 @@ private:
     SetNameMap sets;
 
     QList<SetToDownload> allSets;
-    QVariantMap setsMap;
 
     QString getMainCardType(const QStringList &typeList);
     CardInfoPtr addCard(QString name,