diff --git a/src/blackcore/context/contextsimulator.cpp b/src/blackcore/context/contextsimulator.cpp
index 9a7323fca..7f7f47d3e 100644
--- a/src/blackcore/context/contextsimulator.cpp
+++ b/src/blackcore/context/contextsimulator.cpp
@@ -54,20 +54,6 @@ namespace BlackCore::Context
         return this->getSimulatorPluginInfo().getSimulatorInfo();
     }
 
-    bool IContextSimulator::updateCurrentSettings(const Simulation::Settings::CSimulatorSettings &settings)
-    {
-        const CSimulatorInfo sim = this->getSimulatorInfo();
-        if (!sim.isSingleSimulator()) { return false; }
-        return this->setSimulatorSettings(settings, sim);
-    }
-
-    bool IContextSimulator::updateCurrentSettingComIntegration(bool comIntegration)
-    {
-        Simulation::Settings::CSimulatorSettings settings = this->getSimulatorSettings();
-        settings.setComIntegrated(comIntegration);
-        return this->updateCurrentSettings(settings);
-    }
-
     bool IContextSimulator::isSimulatorAvailable() const
     {
         return CBuildConfig::isCompiledWithFlightSimulatorSupport() && !this->getSimulatorPluginInfo().isUnspecified();
diff --git a/src/blackcore/context/contextsimulator.h b/src/blackcore/context/contextsimulator.h
index b2730f91e..e8c156062 100644
--- a/src/blackcore/context/contextsimulator.h
+++ b/src/blackcore/context/contextsimulator.h
@@ -86,12 +86,6 @@ namespace BlackCore::Context
         //! Current simulator
         BlackMisc::Simulation::CSimulatorInfo getSimulatorInfo() const;
 
-        //! Update current settings
-        bool updateCurrentSettings(const BlackMisc::Simulation::Settings::CSimulatorSettings &settings);
-
-        //! Update current setting for COM integration (aka "synced")
-        bool updateCurrentSettingComIntegration(bool comIntegration);
-
     signals:
         //! Simulator combined status
         //! \sa ISimulator::SimulatorStatus
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.cpp b/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
index df009fdab..a7a80bab6 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
@@ -54,7 +54,6 @@ namespace BlackGui::Components
         connect(ui->cb_2Tx, &QCheckBox::toggled, this, &CAudioDeviceVolumeSetupComponent::onRxTxChanged, Qt::QueuedConnection);
         connect(ui->cb_1Rec, &QCheckBox::toggled, this, &CAudioDeviceVolumeSetupComponent::onRxTxChanged, Qt::QueuedConnection);
         connect(ui->cb_2Rec, &QCheckBox::toggled, this, &CAudioDeviceVolumeSetupComponent::onRxTxChanged, Qt::QueuedConnection);
-        connect(ui->cb_IntegratedWithCom, &QCheckBox::toggled, this, &CAudioDeviceVolumeSetupComponent::onIntegratedFlagChanged, Qt::QueuedConnection);
 
         ui->hs_VolumeIn->setMaximum(CSettings::InMax);
         ui->hs_VolumeIn->setMinimum(CSettings::InMin);
@@ -111,6 +110,12 @@ namespace BlackGui::Components
         c = connect(ui->cb_DisableAudioEffects, &QCheckBox::toggled, this, &CAudioDeviceVolumeSetupComponent::onDisableAudioEffectsToggled);
         Q_ASSERT(c);
 
+        if (hasSimulator())
+        {
+            c = connect(sGui->getIContextSimulator(), &IContextSimulator::simulatorSettingsChanged, this, &CAudioDeviceVolumeSetupComponent::simulatorSettingsChanged);
+            Q_ASSERT(c);
+        }
+
         if (audio)
         {
             this->setAudioRunsWhere();
@@ -268,7 +273,6 @@ namespace BlackGui::Components
     void CAudioDeviceVolumeSetupComponent::setTransmitReceiveInUi(bool tx1, bool rec1, bool tx2, bool rec2, bool integrated)
     {
         this->setRxTxCheckboxes(rec1, tx1, rec2, tx2);
-        ui->cb_IntegratedWithCom->setChecked(integrated);
         this->setCheckBoxesReadOnly(integrated);
         this->setVolumeSlidersReadOnly(integrated);
     }
@@ -436,14 +440,11 @@ namespace BlackGui::Components
         ui->le_Info->setPlaceholderText(ai);
     }
 
-    bool CAudioDeviceVolumeSetupComponent::updateIntegrateWithComFlagUi()
+    void CAudioDeviceVolumeSetupComponent::simulatorSettingsChanged()
     {
-        const bool integrate = this->isComIntegrated();
-        if (ui->cb_IntegratedWithCom->isChecked() == integrate) { return integrate; }
-        ui->cb_IntegratedWithCom->setChecked(integrate);
-        this->setCheckBoxesReadOnly(integrate);
-        this->setVolumeSlidersReadOnly(integrate);
-        return integrate;
+        const bool integrated = this->isComIntegrated();
+        setCheckBoxesReadOnly(integrated);
+        setVolumeSlidersReadOnly(integrated);
     }
 
     bool CAudioDeviceVolumeSetupComponent::isComIntegrated() const
@@ -452,11 +453,6 @@ namespace BlackGui::Components
         const Simulation::Settings::CSimulatorSettings settings = sGui->getIContextSimulator()->getSimulatorSettings();
         const bool integrate = settings.isComIntegrated();
         return integrate;
-
-        /*
-        if (!this->hasAudio()) { return false; }
-        const bool integrated = sGui->getCContextAudioBase()->isComUnitIntegrated();
-        */
     }
 
     void CAudioDeviceVolumeSetupComponent::onRxTxChanged(bool checked)
@@ -482,19 +478,6 @@ namespace BlackGui::Components
         });
     }
 
-    void CAudioDeviceVolumeSetupComponent::onIntegratedFlagChanged(bool checked)
-    {
-        if (!this->hasAudio()) { return; }
-        this->setCheckBoxesReadOnly(checked);
-        this->setVolumeSlidersReadOnly(checked);
-
-        if (!this->hasSimulator()) { return; }
-        if (!sGui->getIContextSimulator()->isSimulatorAvailable()) { return; }
-
-        const bool s = sGui->getIContextSimulator()->updateCurrentSettingComIntegration(checked);
-        Q_UNUSED(s)
-    }
-
     void CAudioDeviceVolumeSetupComponent::setRxTxCheckboxes(bool rx1, bool tx1, bool rx2, bool tx2)
     {
         if (ui->cb_1Tx->isChecked() != tx1) { ui->cb_1Tx->setChecked(tx1); }
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.h b/src/blackgui/components/audiodevicevolumesetupcomponent.h
index 805be04d8..f845b9391 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.h
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.h
@@ -121,10 +121,8 @@ namespace BlackGui::Components
 
         void setAudioRunsWhere();
 
-        bool updateIntegrateWithComFlagUi();
         bool isComIntegrated() const;
 
-        void onIntegratedFlagChanged(bool checked);
         void onRxTxChanged(bool checked);
         void setRxTxCheckboxes(bool rx1, bool tx1, bool rx2, bool tx2);
 
@@ -156,6 +154,9 @@ namespace BlackGui::Components
         BlackMisc::Audio::CAudioDeviceInfoList m_cbDevices; //!< devices to be displayed in the checkbox
         BlackMisc::CDigestSignal m_volumeSliderChanged { this, &CAudioDeviceVolumeSetupComponent::saveVolumes, 1000, 10 };
         BlackMisc::CSetting<BlackMisc::Audio::TSettings> m_audioSettings { this, &CAudioDeviceVolumeSetupComponent::reloadSettings };
+
+    private slots:
+        void simulatorSettingsChanged();
     };
 } // namespace
 
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.ui b/src/blackgui/components/audiodevicevolumesetupcomponent.ui
index b628d4587..2ab3f8aed 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.ui
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.ui
@@ -246,16 +246,6 @@
         </property>
        </widget>
       </item>
-      <item>
-       <widget class="QCheckBox" name="cb_IntegratedWithCom">
-        <property name="toolTip">
-         <string>integrated with sim. cockpit</string>
-        </property>
-        <property name="text">
-         <string>sync.</string>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>
@@ -413,7 +403,6 @@
   <tabstop>cb_1Tx</tabstop>
   <tabstop>cb_2Rec</tabstop>
   <tabstop>cb_2Tx</tabstop>
-  <tabstop>cb_IntegratedWithCom</tabstop>
   <tabstop>cb_SetupAudioInputDevice</tabstop>
   <tabstop>tb_RefreshInDevice</tabstop>
   <tabstop>cb_SetupAudioOutputDevice</tabstop>