diff --git a/libguh/devicemanager.cpp b/libguh/devicemanager.cpp
index da748d0a..6e23a918 100644
--- a/libguh/devicemanager.cpp
+++ b/libguh/devicemanager.cpp
@@ -448,7 +448,9 @@ void DeviceManager::createNewAutoDevices()
             }
         } while (success);
     }
-    storeConfiguredDevices();
+    if (haveNewDevice) {
+        storeConfiguredDevices();
+    }
 }
 
 void DeviceManager::slotDevicesDiscovered(const DeviceClassId &deviceClassId, const QList<DeviceDescriptor> deviceDescriptors)
diff --git a/libguh/plugin/deviceplugin.h b/libguh/plugin/deviceplugin.h
index 5a0d9aad..8d97590c 100644
--- a/libguh/plugin/deviceplugin.h
+++ b/libguh/plugin/deviceplugin.h
@@ -62,8 +62,10 @@ public:
     virtual void setConfiguration(const QVariantMap &configuration);
 
 public slots:
-    virtual DeviceManager::DeviceError executeAction(Device *device, const Action &action) {Q_UNUSED(device) Q_UNUSED(action)}
-
+    virtual DeviceManager::DeviceError executeAction(Device *device, const Action &action) {
+        Q_UNUSED(device) Q_UNUSED(action)
+        return DeviceManager::DeviceErrorNoError;
+    }
 
 signals:
     void emitEvent(const Event &event);
diff --git a/plugins/deviceplugins/boblight/bobclient.cpp b/plugins/deviceplugins/boblight/bobclient.cpp
index 019b6e6f..f919464a 100644
--- a/plugins/deviceplugins/boblight/bobclient.cpp
+++ b/plugins/deviceplugins/boblight/bobclient.cpp
@@ -78,7 +78,10 @@ void BobClient::sync()
 
     for(int i = 0; i < lightsCount(); ++i) {
         //load the color into int array
-        int rgb[3] = {m_colors[i].red() * m_colors[i].alphaF(), m_colors[i].green() * m_colors[i].alphaF(), m_colors[i].blue() * m_colors[i].alphaF()};
+        int rgb[3];
+        rgb[0] = m_colors[i].red() * m_colors[i].alphaF();
+        rgb[1] = m_colors[i].green() * m_colors[i].alphaF();
+        rgb[2] = m_colors[i].blue() * m_colors[i].alphaF();
 //        qDebug() << "set color" << rgb[0] << rgb[1] << rgb[2];
 
         //set all lights to the color we want and send it
diff --git a/plugins/deviceplugins/mock/devicepluginmock.cpp b/plugins/deviceplugins/mock/devicepluginmock.cpp
index 670d3c73..0401833e 100644
--- a/plugins/deviceplugins/mock/devicepluginmock.cpp
+++ b/plugins/deviceplugins/mock/devicepluginmock.cpp
@@ -179,6 +179,7 @@ DeviceManager::DeviceError DevicePluginMock::executeAction(Device *device, const
 {
     qDebug() << "Should execute action" << action.actionTypeId();
     m_daemons.value(device)->actionExecuted(action.actionTypeId());
+    return DeviceManager::DeviceErrorNoError;
 }
 
 void DevicePluginMock::setState(const StateTypeId &stateTypeId, const QVariant &value)
diff --git a/server/jsonrpc/devicehandler.cpp b/server/jsonrpc/devicehandler.cpp
index 741c5aac..29b397ef 100644
--- a/server/jsonrpc/devicehandler.cpp
+++ b/server/jsonrpc/devicehandler.cpp
@@ -164,6 +164,7 @@ QString DeviceHandler::name() const
 
 JsonReply* DeviceHandler::GetSupportedVendors(const QVariantMap &params) const
 {
+    Q_UNUSED(params)
     QVariantMap returns;
     QVariantList supportedVendors;
     foreach (const Vendor &vendor, GuhCore::instance()->deviceManager()->supportedVendors()) {
@@ -313,14 +314,13 @@ JsonReply* DeviceHandler::RemoveConfiguredDevice(const QVariantMap &params)
     case DeviceManager::DeviceErrorNoError:
         returns.insert("success", true);
         returns.insert("errorMessage", "");
-        return createReply(returns);
     case DeviceManager::DeviceErrorDeviceNotFound:
         returns.insert("success", false);
         returns.insert("errorMessage", "No such device.");
-        return createReply(returns);
+    default:
+        returns.insert("success", false);
+        returns.insert("errorMessage", "Unknown error.");
     }
-    returns.insert("success", false);
-    returns.insert("errorMessage", "Unknown error.");
     return createReply(returns);
 }
 
diff --git a/server/jsonrpc/jsonhandler.cpp b/server/jsonrpc/jsonhandler.cpp
index 4b4ebd88..299fe328 100644
--- a/server/jsonrpc/jsonhandler.cpp
+++ b/server/jsonrpc/jsonhandler.cpp
@@ -61,6 +61,8 @@ QVariantMap JsonHandler::introspect(QMetaMethod::MethodType type)
                 data.insert(name() + "." + method.name(), methodData);
             }
             break;
+        default:
+            ;;// Nothing to do for slots
         }
         }
     }
@@ -132,10 +134,10 @@ JsonReply* JsonHandler::createAsyncReply(const QString &method) const
 
 
 JsonReply::JsonReply(Type type, JsonHandler *handler, const QString &method, const QVariantMap &data):
-    m_handler(handler),
-    m_method(method),
     m_type(type),
-    m_data(data)
+    m_data(data),
+    m_handler(handler),
+    m_method(method)
 {
     connect(&m_timeout, &QTimer::timeout, this, &JsonReply::timeout);
 }
diff --git a/server/jsonrpc/jsonrpcserver.cpp b/server/jsonrpc/jsonrpcserver.cpp
index 56ef342c..bf703ca1 100644
--- a/server/jsonrpc/jsonrpcserver.cpp
+++ b/server/jsonrpc/jsonrpcserver.cpp
@@ -221,11 +221,6 @@ void JsonRPCServer::sendNotification(const QVariantMap &params)
     m_tcpServer->sendData(m_clients.keys(true), jsonDoc.toJson());
 }
 
-void JsonRPCServer::sendAsyncReply(int id, const QVariantMap &params)
-{
-    qDebug() << "should send async reply";
-}
-
 void JsonRPCServer::asyncReplyFinished()
 {
     JsonReply *reply = qobject_cast<JsonReply*>(sender());
@@ -238,7 +233,6 @@ void JsonRPCServer::asyncReplyFinished()
 void JsonRPCServer::registerHandler(JsonHandler *handler)
 {
     m_handlers.insert(handler->name(), handler);
-    connect(handler, &JsonHandler::asyncReply, this, &JsonRPCServer::sendAsyncReply);
     for (int i = 0; i < handler->metaObject()->methodCount(); ++i) {
         QMetaMethod method = handler->metaObject()->method(i);
         if (method.methodType() == QMetaMethod::Signal && QString(method.name()).contains(QRegExp("^[A-Z]"))) {
diff --git a/server/jsonrpc/jsonrpcserver.h b/server/jsonrpc/jsonrpcserver.h
index 0643f052..d04be0fb 100644
--- a/server/jsonrpc/jsonrpcserver.h
+++ b/server/jsonrpc/jsonrpcserver.h
@@ -60,7 +60,6 @@ private slots:
     void processData(const QUuid &clientId, const QByteArray &jsonData);
 
     void sendNotification(const QVariantMap &params);
-    void sendAsyncReply(int id, const QVariantMap &params);
 
     void asyncReplyFinished();
 
diff --git a/server/jsonrpc/jsontypes.cpp b/server/jsonrpc/jsontypes.cpp
index 67ac02f6..b9373f85 100644
--- a/server/jsonrpc/jsontypes.cpp
+++ b/server/jsonrpc/jsontypes.cpp
@@ -246,7 +246,9 @@ QVariantMap JsonTypes::packDeviceClass(const DeviceClass &deviceClass)
 
 QVariantMap JsonTypes::packPlugin(DevicePlugin *plugin)
 {
-
+    Q_UNUSED(plugin)
+    qWarning() << "packPlugin not implemented yet!";
+    return QVariantMap();
 }
 
 QVariantMap JsonTypes::packDevice(Device *device)