diff --git a/src/network/access/qhttpthreaddelegate.cpp b/src/network/access/qhttpthreaddelegate.cpp
index c5c35d522a..261a1eccd6 100644
--- a/src/network/access/qhttpthreaddelegate.cpp
+++ b/src/network/access/qhttpthreaddelegate.cpp
@@ -567,11 +567,6 @@ void QHttpThreadDelegate::synchronousFinishedWithErrorSlot(QNetworkReply::Networ
     httpReply = nullptr;
 }
 
-static void downloadBufferDeleter(char *ptr)
-{
-    delete[] ptr;
-}
-
 void QHttpThreadDelegate::headerChangedSlot()
 {
     if (!httpReply)
@@ -592,7 +587,7 @@ void QHttpThreadDelegate::headerChangedSlot()
         QT_TRY {
             char *buf = new char[httpReply->contentLength()]; // throws if allocation fails
             if (buf) {
-                downloadBuffer = QSharedPointer<char>(buf, downloadBufferDeleter);
+                downloadBuffer = QSharedPointer<char>(buf, [](auto p) { delete[] p; });
                 httpReply->setUserProvidedDownloadBuffer(buf);
             }
         } QT_CATCH(const std::bad_alloc &) {
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 2c713e69fd..8b2acfdb4e 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -519,11 +519,6 @@ void QNetworkReplyImplPrivate::appendDownstreamData(QIODevice *data)
     _q_copyReadyRead();
 }
 
-static void downloadBufferDeleter(char *ptr)
-{
-    delete[] ptr;
-}
-
 char* QNetworkReplyImplPrivate::getDownloadBuffer(qint64 size)
 {
     Q_Q(QNetworkReplyImpl);
@@ -536,7 +531,7 @@ char* QNetworkReplyImplPrivate::getDownloadBuffer(qint64 size)
             downloadBufferCurrentSize = 0;
             downloadBufferMaximumSize = size;
             downloadBuffer = new char[downloadBufferMaximumSize]; // throws if allocation fails
-            downloadBufferPointer = QSharedPointer<char>(downloadBuffer, downloadBufferDeleter);
+            downloadBufferPointer = QSharedPointer<char>(downloadBuffer, [](auto p) { delete[] p; });
 
             q->setAttribute(QNetworkRequest::DownloadBufferAttribute, QVariant::fromValue<QSharedPointer<char> > (downloadBufferPointer));
         }