diff --git a/src/network/bearer/qbearerengine.cpp b/src/network/bearer/qbearerengine.cpp
index c06adb202ff..dbcf1e530e2 100644
--- a/src/network/bearer/qbearerengine.cpp
+++ b/src/network/bearer/qbearerengine.cpp
@@ -46,11 +46,10 @@ QT_BEGIN_NAMESPACE
 
 static void cleanUpConfigurations(QHash<QString, QNetworkConfigurationPrivatePointer> &configurations)
 {
-    for (const auto &ptr : qAsConst(configurations)) {
+    for (auto &ptr : qExchange(configurations, {})) {
         ptr->isValid = false;
         ptr->id.clear();
     }
-    configurations.clear();
 }
 
 static bool hasUsedConfiguration(const QHash<QString, QNetworkConfigurationPrivatePointer> &configurations)