diff --git a/src/main.cpp b/src/main.cpp
index a518c2e515..10f962d4be 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -66,6 +66,8 @@
 #endif
 #if defined( Q_OS_MACOS )
 #    include "mac/activity.h"
+#endif
+#if defined( Q_OS_MACOS ) && !defined( HEADLESS )
 extern void qt_set_sequence_auto_mnemonic ( bool bEnable );
 #endif
 #include <memory>
@@ -82,7 +84,7 @@ extern void qt_set_sequence_auto_mnemonic ( bool bEnable );
 int main ( int argc, char** argv )
 {
 
-#if defined( Q_OS_MACOS )
+#if defined( Q_OS_MACOS ) && !defined( HEADLESS )
     // Mnemonic keys are default disabled in Qt for MacOS. The following function enables them.
     // Qt will not show these with underline characters in the GUI on MacOS. (#1873)
     qt_set_sequence_auto_mnemonic ( true );
@@ -909,7 +911,7 @@ int main ( int argc, char** argv )
     // For accessible support we need to add a plugin to qt. The plugin has to
     // be located in the install directory of the software by the installer.
     // Here, we set the path to our application path.
-    QDir ApplDir ( QApplication::applicationDirPath() );
+    QDir ApplDir ( QCoreApplication::applicationDirPath() );
     pApp->addLibraryPath ( QString ( ApplDir.absolutePath() ) );
 #endif
 
diff --git a/src/sound/coreaudio-mac/sound.h b/src/sound/coreaudio-mac/sound.h
index 9ee2796578..970c63718f 100644
--- a/src/sound/coreaudio-mac/sound.h
+++ b/src/sound/coreaudio-mac/sound.h
@@ -50,7 +50,6 @@
 #include <AudioToolbox/AudioToolbox.h>
 #include <CoreMIDI/CoreMIDI.h>
 #include <QMutex>
-#include <QMessageBox>
 #include "../soundbase.h"
 #include "../../global.h"