diff --git a/plugins/windows-notification/api/src/gobject/winrt-event-token.cpp b/plugins/windows-notification/api/src/gobject/winrt-event-token.cpp
index 617f3878..df912e86 100644
--- a/plugins/windows-notification/api/src/gobject/winrt-event-token.cpp
+++ b/plugins/windows-notification/api/src/gobject/winrt-event-token.cpp
@@ -26,7 +26,7 @@ static void winrt_event_token_class_init (winrtEventTokenClass* klass)
   gobject_class->finalize = winrt_event_token_finalize;
 }
 
-static void winrt_event_token_init (winrtEventToken *self)
+static void winrt_event_token_init (winrtEventToken */*self*/)
 {
 }
 
@@ -73,4 +73,4 @@ gint64 winrt_event_token_get_value(winrtEventToken* self)
   g_return_val_if_fail (WINRT_IS_EVENT_TOKEN (self), 0);
 
   return winrt_event_token_get_internal(self)->value;
-}
\ No newline at end of file
+}
diff --git a/plugins/windows-notification/api/src/gobject/winrt-toast-notification.cpp b/plugins/windows-notification/api/src/gobject/winrt-toast-notification.cpp
index 822484f8..32411e7d 100644
--- a/plugins/windows-notification/api/src/gobject/winrt-toast-notification.cpp
+++ b/plugins/windows-notification/api/src/gobject/winrt-toast-notification.cpp
@@ -130,7 +130,7 @@ static void winrt_windows_ui_notifications_toast_notification_class_init (winrtW
   gobject_class->finalize = winrt_windows_ui_notifications_toast_notification_finalize;
 }
 
-static void winrt_windows_ui_notifications_toast_notification_init (winrtWindowsUINotificationsToastNotification *self)
+static void winrt_windows_ui_notifications_toast_notification_init (winrtWindowsUINotificationsToastNotification */*self*/)
 {
 }
 
@@ -251,7 +251,7 @@ winrtEventToken* winrt_windows_ui_notifications_toast_notification_Activated(win
   winrtWindowsUINotificationsToastNotificationPrivate* priv = WINRT_WINDOWS_UI_NOTIFICATION_TOAST_NOTIFICATION_GET_PRIVATE(self);
 
   auto callback_data = std::make_shared<Callback<NotificationCallbackActivated>>(callback, context, free);
-  auto token = priv->notification->data.Activated([=](auto sender, winrt::Windows::Foundation::IInspectable inspectable)
+  auto token = priv->notification->data.Activated([=](auto /*sender*/, winrt::Windows::Foundation::IInspectable inspectable)
   {
     std::wstring arguments;
     std::vector<std::tuple<std::wstring, std::wstring>> user_input;
@@ -293,7 +293,7 @@ winrtEventToken* winrt_windows_ui_notifications_toast_notification_Failed(winrtW
   winrtWindowsUINotificationsToastNotificationPrivate* priv = WINRT_WINDOWS_UI_NOTIFICATION_TOAST_NOTIFICATION_GET_PRIVATE(self);
 
   auto callback_data = std::make_shared<Callback<NotificationCallbackFailed>>(callback, context, free);
-  auto token = priv->notification->data.Failed([=](auto sender, auto toastFailedEventArgs)
+  auto token = priv->notification->data.Failed([=](auto /*sender*/, auto /*toastFailedEventArgs*/)
   {
     callback_data->callback(callback_data->context);
   });
@@ -312,7 +312,7 @@ winrtEventToken* winrt_windows_ui_notifications_toast_notification_Dismissed(win
   winrtWindowsUINotificationsToastNotificationPrivate* priv = WINRT_WINDOWS_UI_NOTIFICATION_TOAST_NOTIFICATION_GET_PRIVATE(self);
 
   auto callback_data = std::make_shared<Callback<NotificationCallbackDismissed>>(callback, context, free);
-  auto token = priv->notification->data.Dismissed([=](auto sender, winrt::Windows::UI::Notifications::ToastDismissedEventArgs dismissed)
+  auto token = priv->notification->data.Dismissed([=](auto /*sender*/, winrt::Windows::UI::Notifications::ToastDismissedEventArgs dismissed)
   {
     auto reason = dismissed.Reason();
     callback_data->callback(static_cast<winrtWindowsUINotificationsToastDismissalReason>(reason), callback_data->context);
diff --git a/plugins/windows-notification/api/src/gobject/winrt-toast-notifier.cpp b/plugins/windows-notification/api/src/gobject/winrt-toast-notifier.cpp
index 5734cdd7..e32e3fc6 100644
--- a/plugins/windows-notification/api/src/gobject/winrt-toast-notifier.cpp
+++ b/plugins/windows-notification/api/src/gobject/winrt-toast-notifier.cpp
@@ -37,7 +37,7 @@ static void winrt_windows_ui_notifications_toast_notifier_class_init (winrtWindo
   gobject_class->finalize = winrt_windows_ui_notifications_toast_notifier_finalize;
 }
 
-static void winrt_windows_ui_notifications_toast_notifier_init (winrtWindowsUINotificationsToastNotifier *self)
+static void winrt_windows_ui_notifications_toast_notifier_init (winrtWindowsUINotificationsToastNotifier */*self*/)
 {
 }
 
@@ -105,4 +105,4 @@ void winrt_windows_ui_notifications_toast_notifier_Hide(winrtWindowsUINotificati
   g_return_if_fail (WINRT_IS_WINDOWS_UI_NOTIFICATIONS_TOAST_NOTIFICATION (toast_notification));
 
   winrt_windows_ui_notifications_toast_notifier_get_internal(self)->Hide(*winrt_windows_ui_notifications_toast_notification_get_internal(toast_notification));
-}
\ No newline at end of file
+}