diff --git a/bosswerk/integrationpluginbosswerk.cpp b/bosswerk/integrationpluginbosswerk.cpp
index d35b3a35..50127415 100644
--- a/bosswerk/integrationpluginbosswerk.cpp
+++ b/bosswerk/integrationpluginbosswerk.cpp
@@ -61,6 +61,7 @@ void IntegrationPluginBosswerk::discoverThings(ThingDiscoveryInfo *info)
     // Unauthorized page which looks unique enough.
     // If this proves to not be reliable enough, one more option would be to connect to TCP port 8899 which is open
     // and responds to a proprietary binary protocol which would need to be reverse engineered first.
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::networkDeviceInfoAdded, info, [=](const NetworkDeviceInfo &networkDeviceInfo){
         qCDebug(dcBosswerk()) << "Probing device" << networkDeviceInfo.address();
 
diff --git a/fronius/integrationpluginfronius.cpp b/fronius/integrationpluginfronius.cpp
index 0420b474..a5758d6a 100644
--- a/fronius/integrationpluginfronius.cpp
+++ b/fronius/integrationpluginfronius.cpp
@@ -57,6 +57,7 @@ void IntegrationPluginFronius::discoverThings(ThingDiscoveryInfo *info)
 
     qCDebug(dcFronius()) << "Starting network discovery...";
     NetworkDeviceDiscoveryReply *discoveryReply = hardwareManager()->networkDeviceDiscovery()->discover();
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, info, [=](){
         ThingDescriptors descriptors;
         qCDebug(dcFronius()) << "Discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "devices";
diff --git a/goecharger/goediscovery.cpp b/goecharger/goediscovery.cpp
index 4475f8c4..e46e5b0a 100644
--- a/goecharger/goediscovery.cpp
+++ b/goecharger/goediscovery.cpp
@@ -59,11 +59,6 @@ void GoeDiscovery::startDiscovery()
     qCInfo(dcGoECharger()) << "Discovery: Start discovering the network...";
     m_discoveryReply = m_networkDeviceDiscovery->discover();
 
-    // Check if all network device infos which might already be discovered here to save time...
-    foreach (const NetworkDeviceInfo &networkDeviceInfo, m_discoveryReply->networkDeviceInfos()) {
-        checkNetworkDevice(networkDeviceInfo);
-    }
-
     // Test any network device beeing discovered
     connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::networkDeviceInfoAdded, this, &GoeDiscovery::checkNetworkDevice);
 
@@ -71,6 +66,7 @@ void GoeDiscovery::startDiscovery()
     connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [=](){
         // The network device discovery is done
         m_discoveredNetworkDeviceInfos = m_discoveryReply->networkDeviceInfos();
+        m_discoveryReply->deleteLater();
         m_discoveryReply = nullptr;
 
         // Check if all network device infos have been verified
diff --git a/keba/kebadiscovery.cpp b/keba/kebadiscovery.cpp
index be73dc6a..054b2a57 100644
--- a/keba/kebadiscovery.cpp
+++ b/keba/kebadiscovery.cpp
@@ -113,6 +113,7 @@ void KebaDiscovery::startDiscovery()
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::networkDeviceInfoAdded, this, &KebaDiscovery::sendReportRequest);
 
     // Check what might be left on finished
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [=](){
         qCDebug(dcKeba()) << "Discovery: Network discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "network devices";
         m_networkDeviceInfos = discoveryReply->networkDeviceInfos();
diff --git a/meross/integrationpluginmeross.cpp b/meross/integrationpluginmeross.cpp
index c52dad04..bb6ff9d8 100644
--- a/meross/integrationpluginmeross.cpp
+++ b/meross/integrationpluginmeross.cpp
@@ -55,7 +55,8 @@ IntegrationPluginMeross::~IntegrationPluginMeross()
 void IntegrationPluginMeross::discoverThings(ThingDiscoveryInfo *info)
 {
     NetworkDeviceDiscoveryReply *reply = hardwareManager()->networkDeviceDiscovery()->discover();
-    connect(reply, &NetworkDeviceDiscoveryReply::finished, info, [info, reply, this](){
+    connect(reply, &NetworkDeviceDiscoveryReply::finished, reply, &NetworkDeviceDiscoveryReply::deleteLater);
+        connect(reply, &NetworkDeviceDiscoveryReply::finished, info, [info, reply, this](){
         foreach (const NetworkDeviceInfo &deviceInfo, reply->networkDeviceInfos()) {
             qCDebug(dcMeross) << "Discovery result" << deviceInfo;
             if (deviceInfo.hostName().toLower().startsWith("meross_smart_plug") || deviceInfo.macAddressManufacturer().toLower().contains("meross")) {
diff --git a/networkdetector/integrationpluginnetworkdetector.cpp b/networkdetector/integrationpluginnetworkdetector.cpp
index eb515dc1..447a8431 100644
--- a/networkdetector/integrationpluginnetworkdetector.cpp
+++ b/networkdetector/integrationpluginnetworkdetector.cpp
@@ -69,6 +69,7 @@ void IntegrationPluginNetworkDetector::discoverThings(ThingDiscoveryInfo *info)
         qCDebug(dcNetworkDetector()) << "-->" << networkDeviceInfo;
     });
 
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, info, [=](){
         ThingDescriptors descriptors;
         qCDebug(dcNetworkDetector()) << "Discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "devices";
diff --git a/sma/speedwirediscovery.cpp b/sma/speedwirediscovery.cpp
index 4fde8409..42a1dd01 100644
--- a/sma/speedwirediscovery.cpp
+++ b/sma/speedwirediscovery.cpp
@@ -126,6 +126,7 @@ bool SpeedwireDiscovery::startDiscovery()
 
     qCDebug(dcSma()) << "SpeedwireDiscovery: Start discovering network...";
     NetworkDeviceDiscoveryReply *discoveryReply = m_networkDeviceDiscovery->discover();
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [=](){
         qCDebug(dcSma()) << "Discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "devices";
         m_networkDeviceInfos = discoveryReply->networkDeviceInfos();
diff --git a/sma/sunnywebboxdiscovery.cpp b/sma/sunnywebboxdiscovery.cpp
index 0a3988af..f9a1f76f 100644
--- a/sma/sunnywebboxdiscovery.cpp
+++ b/sma/sunnywebboxdiscovery.cpp
@@ -54,11 +54,6 @@ void SunnyWebBoxDiscovery::startDiscovery()
     qCInfo(dcSma()) << "Discovery: SunnyWebBox: Starting network discovery...";
     m_discoveryReply = m_networkDeviceDiscovery->discover();
 
-    // Check all network device infos which might already be discovered here to save time...
-    foreach (const NetworkDeviceInfo &networkDeviceInfo, m_discoveryReply->networkDeviceInfos()) {
-        checkNetworkDevice(networkDeviceInfo);
-    }
-
     // Test any network device beeing discovered
     connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::networkDeviceInfoAdded, this, &SunnyWebBoxDiscovery::checkNetworkDevice);
 
@@ -66,6 +61,7 @@ void SunnyWebBoxDiscovery::startDiscovery()
     connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [=](){
         // The network device discovery is done
         m_discoveredNetworkDeviceInfos = m_discoveryReply->networkDeviceInfos();
+        m_discoveryReply->deleteLater();
         m_discoveryReply = nullptr;
 
         // Check if all network device infos have been verified
diff --git a/wakeonlan/integrationpluginwakeonlan.cpp b/wakeonlan/integrationpluginwakeonlan.cpp
index f4b1bf0b..91955cef 100644
--- a/wakeonlan/integrationpluginwakeonlan.cpp
+++ b/wakeonlan/integrationpluginwakeonlan.cpp
@@ -53,6 +53,7 @@ void IntegrationPluginWakeOnLan::discoverThings(ThingDiscoveryInfo *info)
 
     qCDebug(dcWakeOnLan()) << "Starting network discovery...";
     NetworkDeviceDiscoveryReply *discoveryReply = hardwareManager()->networkDeviceDiscovery()->discover();
+    connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, discoveryReply, &NetworkDeviceDiscoveryReply::deleteLater);
     connect(discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [=](){
         ThingDescriptors descriptors;
         qCDebug(dcWakeOnLan()) << "Discovery finished. Found" << discoveryReply->networkDeviceInfos().count() << "devices";