diff --git a/src/blackcore/context/contextaudio.h b/src/blackcore/context/contextaudio.h
index 3ad87f3d3..21f369a40 100644
--- a/src/blackcore/context/contextaudio.h
+++ b/src/blackcore/context/contextaudio.h
@@ -119,9 +119,6 @@ namespace BlackCore
             //! Set voice rooms
             virtual void setComVoiceRooms(const BlackMisc::Audio::CVoiceRoomList &voiceRooms) = 0;
 
-            //! Own callsign as displayed in voice room
-            virtual void setOwnCallsignForRooms(const BlackMisc::Aviation::CCallsign &callsign) = 0;
-
             //! Leave all voice rooms
             virtual void leaveAllVoiceRooms() = 0;
 
diff --git a/src/blackcore/context/contextaudioempty.h b/src/blackcore/context/contextaudioempty.h
index e24e0c294..4aa606825 100644
--- a/src/blackcore/context/contextaudioempty.h
+++ b/src/blackcore/context/contextaudioempty.h
@@ -59,13 +59,6 @@ namespace BlackCore
                 logEmptyContextWarning(Q_FUNC_INFO);
             }
 
-            //! \copydoc IContextAudio::setOwnCallsignForRooms
-            virtual void setOwnCallsignForRooms(const BlackMisc::Aviation::CCallsign &callsign) override
-            {
-                Q_UNUSED(callsign);
-                logEmptyContextWarning(Q_FUNC_INFO);
-            }
-
             //! \copydoc IContextAudio::getRoomCallsigns()
             virtual BlackMisc::Aviation::CCallsignSet getRoomCallsigns(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const override
             {
diff --git a/src/blackcore/context/contextaudioimpl.cpp b/src/blackcore/context/contextaudioimpl.cpp
index c60161703..eecd71cbd 100644
--- a/src/blackcore/context/contextaudioimpl.cpp
+++ b/src/blackcore/context/contextaudioimpl.cpp
@@ -51,16 +51,11 @@ namespace BlackCore
             IContextAudio(mode, runtime),
             m_voice(new CVoiceVatlib())
         {
-            // own aircraft may or may not be available
-            const CCallsign ownCallsign = (this->getIContextOwnAircraft()) ? getIContextOwnAircraft()->getOwnAircraft().getCallsign() : CCallsign();
-
             m_channel1 = m_voice->createVoiceChannel();
-            m_channel1->setOwnAircraftCallsign(ownCallsign);
             connect(m_channel1.data(), &IVoiceChannel::connectionStatusChanged, this, &CContextAudio::ps_connectionStatusChanged);
             connect(m_channel1.data(), &IVoiceChannel::userJoinedRoom, this, &CContextAudio::ps_userJoinedRoom);
             connect(m_channel1.data(), &IVoiceChannel::userLeftRoom, this, &CContextAudio::ps_userLeftRoom);
             m_channel2 = m_voice->createVoiceChannel();
-            m_channel2->setOwnAircraftCallsign(ownCallsign);
             connect(m_channel2.data(), &IVoiceChannel::connectionStatusChanged, this, &CContextAudio::ps_connectionStatusChanged);
             connect(m_channel2.data(), &IVoiceChannel::userJoinedRoom, this, &CContextAudio::ps_userJoinedRoom);
             connect(m_channel2.data(), &IVoiceChannel::userLeftRoom, this, &CContextAudio::ps_userLeftRoom);
@@ -401,14 +396,6 @@ namespace BlackCore
             Q_UNUSED(changed);
         }
 
-        void CContextAudio::setOwnCallsignForRooms(const CCallsign &callsign)
-        {
-            if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO << callsign; }
-
-            if (m_channel1) { m_channel1->setOwnAircraftCallsign(callsign); }
-            if (m_channel2) { m_channel2->setOwnAircraftCallsign(callsign); }
-        }
-
         CCallsignSet CContextAudio::getRoomCallsigns(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const
         {
             Q_ASSERT(m_voice);
@@ -553,12 +540,6 @@ namespace BlackCore
                 CLogMessage(this).warning("Voice channel disconnecting error");
             // intentional fall-through
             case IVoiceChannel::Disconnected:
-                if (this->getIContextOwnAircraft())
-                {
-                    // good chance to update aircraft
-                    m_channel1->setOwnAircraftCallsign(this->getIContextOwnAircraft()->getOwnAircraft().getCallsign());
-                    m_channel2->setOwnAircraftCallsign(this->getIContextOwnAircraft()->getOwnAircraft().getCallsign());
-                }
                 emit this->changedVoiceRooms(getComVoiceRooms(), false);
                 break;
             default:
diff --git a/src/blackcore/context/contextaudioimpl.h b/src/blackcore/context/contextaudioimpl.h
index 609e1d48b..85232817b 100644
--- a/src/blackcore/context/contextaudioimpl.h
+++ b/src/blackcore/context/contextaudioimpl.h
@@ -78,7 +78,6 @@ namespace BlackCore
             virtual BlackMisc::Audio::CVoiceRoomList getComVoiceRoomsWithAudioStatus() const override;
             virtual BlackMisc::Audio::CVoiceRoom getVoiceRoom(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue, bool withAudioStatus) const override;
             virtual void setComVoiceRooms(const BlackMisc::Audio::CVoiceRoomList &newRooms) override;
-            virtual void setOwnCallsignForRooms(const BlackMisc::Aviation::CCallsign &callsign) override;
             virtual BlackMisc::Aviation::CCallsignSet getRoomCallsigns(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const override;
             virtual BlackMisc::Network::CUserList getRoomUsers(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const override;
             virtual void leaveAllVoiceRooms() override;
diff --git a/src/blackcore/context/contextaudioproxy.cpp b/src/blackcore/context/contextaudioproxy.cpp
index 224614fcf..6adfd8f2a 100644
--- a/src/blackcore/context/contextaudioproxy.cpp
+++ b/src/blackcore/context/contextaudioproxy.cpp
@@ -117,11 +117,6 @@ namespace BlackCore
             this->m_dBusInterface->callDBus(QLatin1String("setComVoiceRooms"), voiceRooms);
         }
 
-        void CContextAudioProxy::setOwnCallsignForRooms(const CCallsign &callsign)
-        {
-            this->m_dBusInterface->callDBus(QLatin1String("setOwnCallsignForRooms"), callsign);
-        }
-
         void CContextAudioProxy::playSelcalTone(const CSelcal &selcal) const
         {
             this->m_dBusInterface->callDBus(QLatin1String("playSelcalTone"), selcal);
diff --git a/src/blackcore/context/contextaudioproxy.h b/src/blackcore/context/contextaudioproxy.h
index 9446fdbf2..41e3aad64 100644
--- a/src/blackcore/context/contextaudioproxy.h
+++ b/src/blackcore/context/contextaudioproxy.h
@@ -66,7 +66,6 @@ namespace BlackCore
             virtual BlackMisc::Audio::CVoiceRoomList getComVoiceRoomsWithAudioStatus() const override;
             virtual BlackMisc::Audio::CVoiceRoom getVoiceRoom(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue, bool withAudioStatus) const override;
             virtual void setComVoiceRooms(const BlackMisc::Audio::CVoiceRoomList &voiceRooms) override;
-            virtual void setOwnCallsignForRooms(const BlackMisc::Aviation::CCallsign &callsign) override;
             virtual BlackMisc::Aviation::CCallsignSet getRoomCallsigns(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const override;
             virtual BlackMisc::Network::CUserList getRoomUsers(BlackMisc::Aviation::CComSystem::ComUnit comUnitValue) const override;
             virtual void leaveAllVoiceRooms() override;
diff --git a/src/blackcore/corefacade.cpp b/src/blackcore/corefacade.cpp
index 87f74ffcd..59c5aad3c 100644
--- a/src/blackcore/corefacade.cpp
+++ b/src/blackcore/corefacade.cpp
@@ -263,8 +263,6 @@ namespace BlackCore
             Q_ASSERT(m_contextOwnAircraft);
             c = connect(m_contextApplication, &IContextApplication::fakedSetComVoiceRoom, this->getCContextAudio(),  &CContextAudio::setComVoiceRooms);
             Q_ASSERT(c);
-            c = connect(m_contextOwnAircraft, &IContextOwnAircraft::changedCallsign, this->getCContextAudio(), &IContextAudio::setOwnCallsignForRooms);
-            Q_ASSERT(c);
             times.insert("Post setup, connects audio", time.restart());
         }
     }