diff --git a/src/core/mac_startup.mm b/src/core/mac_startup.mm
index d1b42595e..4096fe46f 100644
--- a/src/core/mac_startup.mm
+++ b/src/core/mac_startup.mm
@@ -159,7 +159,7 @@ QDebug operator<<(QDebug dbg, NSObject* object) {
 - (void)application:(NSApplication*)app openFiles:(NSArray*)filenames {
 
   qLog(Debug) << "Wants to open:" << filenames;
-  [filenames enumerateObjectsUsingBlock:^(id object, NSUInteger idx, BOOL* stop) {
+  [filenames enumerateObjectsUsingBlock:^(id object, NSUInteger, BOOL*) {
     [self application:app openFile:(NSString*)object];
   }];
 
diff --git a/src/core/macfslistener.mm b/src/core/macfslistener.mm
index 28123fa50..7be2b019b 100644
--- a/src/core/macfslistener.mm
+++ b/src/core/macfslistener.mm
@@ -47,6 +47,10 @@ void MacFSListener::Init() { run_loop_ = CFRunLoopGetCurrent(); }
 
 void MacFSListener::EventStreamCallback(ConstFSEventStreamRef stream, void* user_data, size_t num_events, void* event_paths, const FSEventStreamEventFlags event_flags[], const FSEventStreamEventId event_ids[]) {
 
+  Q_UNUSED(stream);
+  Q_UNUSED(event_flags);
+  Q_UNUSED(event_ids);
+
   MacFSListener* me = reinterpret_cast<MacFSListener*>(user_data);
   char** paths = reinterpret_cast<char**>(event_paths);
   for (size_t i = 0; i < num_events; ++i) {
diff --git a/src/core/macsystemtrayicon.mm b/src/core/macsystemtrayicon.mm
index 380cd55c9..e99b2340f 100644
--- a/src/core/macsystemtrayicon.mm
+++ b/src/core/macsystemtrayicon.mm
@@ -206,5 +206,6 @@ void MacSystemTrayIcon::ClearNowPlaying() {
 }
 
 void MacSystemTrayIcon::SetNowPlaying(const Song& song, const QUrl& cover_url) {
+  Q_UNUSED(cover_url);
   p_->ShowNowPlaying(song.artist(), song.PrettyTitle());
 }
diff --git a/src/device/macosdevicelister.mm b/src/device/macosdevicelister.mm
index 88dfd1b08..07d522063 100644
--- a/src/device/macosdevicelister.mm
+++ b/src/device/macosdevicelister.mm
@@ -837,7 +837,10 @@ quint64 MacOsDeviceLister::DeviceFreeSpace(const QString& serial) {
 
 }
 
-QVariantMap MacOsDeviceLister::DeviceHardwareInfo(const QString& serial){return QVariantMap();}
+QVariantMap MacOsDeviceLister::DeviceHardwareInfo(const QString& serial){
+  Q_UNUSED(serial);
+  return QVariantMap();
+}
 
 bool MacOsDeviceLister::AskForScan(const QString& serial) const {
   return !IsCDDevice(serial);
diff --git a/src/widgets/osd_mac.mm b/src/widgets/osd_mac.mm
index 240cc7a04..8a3b31444 100644
--- a/src/widgets/osd_mac.mm
+++ b/src/widgets/osd_mac.mm
@@ -59,6 +59,7 @@ bool OSD::SupportsTrayPopups() { return false; }
 
 void OSD::ShowMessageNative(const QString& summary, const QString& message, const QString& icon, const QImage& image) {
   Q_UNUSED(icon);
+  Q_UNUSED(image);
   if (NotificationCenterSupported()) {
     scoped_nsobject<NSString> mac_message(
         [[NSString alloc] initWithUTF8String:message.toUtf8().constData()]);