diff --git a/launcher/FileSystem.cpp b/launcher/FileSystem.cpp
index 869fbe36..bd985c5b 100644
--- a/launcher/FileSystem.cpp
+++ b/launcher/FileSystem.cpp
@@ -446,7 +446,6 @@ void create_link::runPrivileged(const QString& offset)
         // construct block of data to send
         QByteArray block;
         QDataStream out(&block, QIODevice::WriteOnly);
-        out.setVersion(QDataStream::Qt_5_0);  // choose correct version better?
 
         qint32 blocksize = quint32(sizeof(quint32));
         for (auto link : m_links_to_make) {
@@ -469,7 +468,7 @@ void create_link::runPrivileged(const QString& offset)
             QDataStream in;
             quint32 blockSize = 0;
             in.setDevice(clientConnection);
-            in.setVersion(QDataStream::Qt_5_0);
+
             qDebug() << "Reading path results from client";
             qDebug() << "bytes available" << clientConnection->bytesAvailable();
 
diff --git a/launcher/filelink/FileLink.cpp b/launcher/filelink/FileLink.cpp
index ded46061..c9599b82 100644
--- a/launcher/filelink/FileLink.cpp
+++ b/launcher/filelink/FileLink.cpp
@@ -120,7 +120,6 @@ void FileLinkApp::joinServer(QString server)
     blockSize = 0;
 
     in.setDevice(&socket);
-    in.setVersion(QDataStream::Qt_5_0);
 
     connect(&socket, &QLocalSocket::connected, this, [&]() { qDebug() << "connected to server"; });
 
@@ -203,7 +202,6 @@ void FileLinkApp::sendResults()
     // construct block of data to send
     QByteArray block;
     QDataStream out(&block, QIODevice::WriteOnly);
-    out.setVersion(QDataStream::Qt_5_0);
 
     qint32 blocksize = quint32(sizeof(quint32));
     for (auto result : m_path_results) {