diff --git a/libdiscover/appstream/OdrsReviewsBackend.cpp b/libdiscover/appstream/OdrsReviewsBackend.cpp
--- a/libdiscover/appstream/OdrsReviewsBackend.cpp
+++ b/libdiscover/appstream/OdrsReviewsBackend.cpp
@@ -179,7 +179,7 @@
 void OdrsReviewsBackend::reviewsFetched()
 {
     QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
-
+    QScopedPointer<QNetworkReply, QScopedPointerDeleteLater> replyPtr(reply);
     if (reply->error() != QNetworkReply::NoError) {
         qCWarning(LIBDISCOVER_LOG) << "error fetching reviews:" << reply->errorString();
         m_isFetching = false;
@@ -191,7 +191,6 @@
     AbstractResource *resource = qobject_cast<AbstractResource*>(reply->request().originatingObject());
     Q_ASSERT(resource);
     parseReviews(document, resource);
-
     // Store reviews to cache so we don't need to download them all the time
     if (document.array().isEmpty()) {
         return;
@@ -244,6 +243,7 @@
     } else {
         qCWarning(LIBDISCOVER_LOG) << "Failed to submit usefulness: " << reply->errorString();
     }
+    reply->deleteLater();
 }
 
 QString OdrsReviewsBackend::userName() const
@@ -295,6 +295,7 @@
     } else {
         qCWarning(LIBDISCOVER_LOG) << "Failed to submit review: " << reply->errorString();
     }
+    reply->deleteLater();
 }
 
 void OdrsReviewsBackend::parseRatings()
diff --git a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
--- a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
+++ b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
@@ -140,8 +140,8 @@
     void start()
     {
         auto replyGet = get(QNetworkRequest(m_url));
-
         connect(replyGet, &QNetworkReply::finished, this, [this, replyGet] {
+            QScopedPointer<QNetworkReply, QScopedPointerDeleteLater> replyPtr(replyGet);
             const QUrl originalUrl = replyGet->request().url();
             if (replyGet->error() != QNetworkReply::NoError) {
                 qWarning() << "couldn't download" << originalUrl << replyGet->errorString();
@@ -152,6 +152,7 @@
             const QUrl fileUrl = QUrl::fromLocalFile(QStandardPaths::writableLocation(QStandardPaths::TempLocation) + QLatin1Char('/') + originalUrl.fileName());
             auto replyPut = put(QNetworkRequest(fileUrl), replyGet->readAll());
             connect(replyPut, &QNetworkReply::finished, this, [this, originalUrl, fileUrl, replyPut]() {
+                QScopedPointer<QNetworkReply, QScopedPointerDeleteLater> replyPtr(replyPut);
                 if (replyPut->error() != QNetworkReply::NoError) {
                     qWarning() << "couldn't save" << originalUrl << replyPut->errorString();
                     Q_EMIT jobFinished(false, nullptr);