diff --git a/src/blackcore/corefacade.cpp b/src/blackcore/corefacade.cpp
index 2ebfe89fd..f61420288 100644
--- a/src/blackcore/corefacade.cpp
+++ b/src/blackcore/corefacade.cpp
@@ -265,7 +265,7 @@ namespace BlackCore
             // hook up with audio if audio context is local
             if (this->hasLocalAudio() && m_contextOwnAircraft)
             {
-                c = connect(m_contextOwnAircraft, &IContextOwnAircraft::changedAircraftCockpit, this->getCContextAudio(), &CContextAudio::xCtxChangedAircraftCockpit, Qt::QueuedConnection);
+                c = connect(m_contextOwnAircraft, &IContextOwnAircraft::changedAircraftCockpit, this->getCContextAudio(), &IContextAudio::xCtxChangedAircraftCockpit, Qt::QueuedConnection);
                 Q_ASSERT(c);
             }
 
@@ -288,7 +288,7 @@ namespace BlackCore
         {
             Q_ASSERT(m_contextApplication);
             c = connect(m_contextNetwork, &IContextNetwork::connectionStatusChanged,
-                        this->getCContextAudio(), &CContextAudio::xCtxNetworkConnectionStatusChanged, Qt::QueuedConnection);
+                        this->getCContextAudio(), &IContextAudio::xCtxNetworkConnectionStatusChanged, Qt::QueuedConnection);
             Q_ASSERT(c);
             times.insert("Post setup, connects audio", time.restart());
         }
@@ -352,11 +352,10 @@ namespace BlackCore
 
         if (this->getIContextAudio())
         {
+            // there is no empty audio context since AFV
             disconnect(this->getIContextAudio());
             this->getIContextAudio()->deleteLater();
-            // replace by dummy object avoiding nullptr issues during shutdown phase
-            QDBusConnection defaultConnection("default");
-            m_contextAudio = IContextAudio::create(this, CCoreFacadeConfig::NotUsed, nullptr, defaultConnection);
+            m_contextAudio = nullptr;
         }
 
         if (this->getIContextOwnAircraft())
diff --git a/src/blackcore/corefacadeconfig.cpp b/src/blackcore/corefacadeconfig.cpp
index 928738d7a..0c5b724ab 100644
--- a/src/blackcore/corefacadeconfig.cpp
+++ b/src/blackcore/corefacadeconfig.cpp
@@ -53,13 +53,6 @@ namespace BlackCore
         return cfg;
     }
 
-    CCoreFacadeConfig CCoreFacadeConfig::forCoreAllLocalInDBusNoAudio(const QString &dbusBootstrapAddress)
-    {
-        CCoreFacadeConfig cfg(CCoreFacadeConfig::LocalInDBusServer, dbusBootstrapAddress);
-        cfg.m_audio = CCoreFacadeConfig::NotUsed;
-        return cfg;
-    }
-
     CCoreFacadeConfig CCoreFacadeConfig::local(const QString &dbusBootstrapAddress)
     {
         const CCoreFacadeConfig cfg = CCoreFacadeConfig(CCoreFacadeConfig(CCoreFacadeConfig::Local, dbusBootstrapAddress));
@@ -67,12 +60,6 @@ namespace BlackCore
     }
 
     CCoreFacadeConfig CCoreFacadeConfig::remote(const QString &dbusBootstrapAddress)
-    {
-        const CCoreFacadeConfig cfg = CCoreFacadeConfig(CCoreFacadeConfig(CCoreFacadeConfig::Remote, dbusBootstrapAddress));
-        return cfg;
-    }
-
-    CCoreFacadeConfig CCoreFacadeConfig::remoteLocalAudio(const QString &dbusBootstrapAddress)
     {
         CCoreFacadeConfig cfg = CCoreFacadeConfig(CCoreFacadeConfig(CCoreFacadeConfig::Remote, dbusBootstrapAddress));
         cfg.m_audio = CCoreFacadeConfig::LocalInDBusServer;
@@ -81,7 +68,8 @@ namespace BlackCore
 
     CCoreFacadeConfig CCoreFacadeConfig::allEmpty()
     {
-        const CCoreFacadeConfig cfg = CCoreFacadeConfig();
+        CCoreFacadeConfig cfg = CCoreFacadeConfig();
+        cfg.m_audio = CCoreFacadeConfig::Local;
         return cfg;
     }
 } // namespace
diff --git a/src/blackcore/corefacadeconfig.h b/src/blackcore/corefacadeconfig.h
index 81bcf95c6..29e9d7255 100644
--- a/src/blackcore/corefacadeconfig.h
+++ b/src/blackcore/corefacadeconfig.h
@@ -97,18 +97,12 @@ namespace BlackCore
         //! Predefined for Core
         static CCoreFacadeConfig forCoreAllLocalInDBus(const QString &dbusBootstrapAddress = "");
 
-        //! Predefined for Core
-        static CCoreFacadeConfig forCoreAllLocalInDBusNoAudio(const QString &dbusBootstrapAddress = "");
-
         //! Predefined, completely local (e.g. for unit tests)
         static CCoreFacadeConfig local(const QString &dbusBootstrapAddress = "");
 
-        //! Predefined, completely remote (e.g. for GUI with core)
+        //! Predefined, completely remote
         static CCoreFacadeConfig remote(const QString &dbusBootstrapAddress = "");
 
-        //! Predefined, remote with local audio (e.g. Aduio in GUI)
-        static CCoreFacadeConfig remoteLocalAudio(const QString &dbusBootstrapAddress = "");
-
         //! Predefined, all empty configs (normally used when the real config can only be determined later)
         static CCoreFacadeConfig allEmpty();
     };
diff --git a/src/blackcore/coremodeenums.h b/src/blackcore/coremodeenums.h
index 83094c342..1b2d37eb4 100644
--- a/src/blackcore/coremodeenums.h
+++ b/src/blackcore/coremodeenums.h
@@ -23,8 +23,7 @@ namespace BlackCore
         enum CoreMode
         {
             CoreInGuiProcess,
-            CoreExternalCoreAudio,
-            CoreExternalAudioGui
+            CoreExternal
         };
 
         //! String to core mode
@@ -32,14 +31,11 @@ namespace BlackCore
         {
             QString cm(m.toLower().trimmed());
             if (cm.isEmpty()) { return CoreInGuiProcess; }
-            if (m == coreModeToString(CoreExternalCoreAudio)) { return CoreExternalCoreAudio; }
             if (m == coreModeToString(CoreInGuiProcess)) { return CoreInGuiProcess; }
-            if (m == coreModeToString(CoreExternalAudioGui)) { return CoreExternalAudioGui; }
+            if (m == coreModeToString(CoreExternal)) { return CoreExternal; }
 
             // some alternative names
-            if (cm.contains("audiolocal")) { return CoreExternalAudioGui; }
-            if (cm.contains("localaudio")) { return CoreExternalAudioGui; }
-            if (cm.contains("external")) { return CoreExternalCoreAudio; }
+            if (cm.contains("external")) { return CoreExternal; }
             if (cm.contains("gui")) { return CoreInGuiProcess; }
             return CoreInGuiProcess;
         }
@@ -50,8 +46,7 @@ namespace BlackCore
             switch (mode)
             {
             case CoreInGuiProcess: return QStringLiteral("coreinguiprocess");
-            case CoreExternalCoreAudio: return QStringLiteral("coreexternal");
-            case CoreExternalAudioGui: return QStringLiteral("coreexternalaudiogui");
+            case CoreExternal:     return QStringLiteral("coreexternal");
             }
             return {};
         }