diff --git a/src/blackcore/context/contextaudio.cpp b/src/blackcore/context/contextaudio.cpp
index 5a59e9747..94ec9dd18 100644
--- a/src/blackcore/context/contextaudio.cpp
+++ b/src/blackcore/context/contextaudio.cpp
@@ -385,29 +385,6 @@ namespace BlackCore
             this->setVoiceOutputVolume(v);
         }
 
-        CComSystem CContextAudioBase::xCtxGetOwnComSystem(CComSystem::ComUnit unit) const
-        {
-            if (!this->getIContextOwnAircraft())
-            {
-                // context not available
-                const double defFreq = 122.8;
-                switch (unit)
-                {
-                case CComSystem::Com1: return CComSystem::getCom1System(defFreq, defFreq);
-                case CComSystem::Com2: return CComSystem::getCom2System(defFreq, defFreq);
-                default: break;
-                }
-                return CComSystem::getCom1System(defFreq, defFreq);
-            }
-            return this->getIContextOwnAircraft()->getOwnComSystem(unit);
-        }
-
-        bool CContextAudioBase::xCtxIsComIntegratedWithSimulator() const
-        {
-            if (!this->getIContextSimulator()) { return false; }
-            return this->getIContextSimulator()->getSimulatorSettings().isComIntegrated();
-        }
-
         void CContextAudioBase::xCtxNetworkConnectionStatusChanged(const CConnectionStatus &from, const CConnectionStatus &to)
         {
             if (!m_voiceClient) { return; }
diff --git a/src/blackcore/context/contextaudio.h b/src/blackcore/context/contextaudio.h
index fdfa978a0..4ff7661a8 100644
--- a/src/blackcore/context/contextaudio.h
+++ b/src/blackcore/context/contextaudio.h
@@ -257,13 +257,6 @@ namespace BlackCore
             void audioDecreaseVolume(bool enabled);
             //! @}
 
-            //! Get current COM unit from cockpit
-            //! \remark cross context
-            //! @{
-            BlackMisc::Aviation::CComSystem xCtxGetOwnComSystem(BlackMisc::Aviation::CComSystem::ComUnit unit) const;
-            bool xCtxIsComIntegratedWithSimulator() const;
-            //! @}
-
             //! Network connection status
             void xCtxNetworkConnectionStatusChanged(const BlackMisc::Network::CConnectionStatus &from, const BlackMisc::Network::CConnectionStatus &to);