diff --git a/lib/Slic3r/GUI.pm b/lib/Slic3r/GUI.pm
index 2bb5c9e4a..5ade026af 100644
--- a/lib/Slic3r/GUI.pm
+++ b/lib/Slic3r/GUI.pm
@@ -15,7 +15,6 @@ use Slic3r::GUI::Controller;
 use Slic3r::GUI::Controller::ManualControlDialog;
 use Slic3r::GUI::Controller::PrinterPanel;
 use Slic3r::GUI::MainFrame;
-use Slic3r::GUI::Notifier;
 use Slic3r::GUI::Plater;
 use Slic3r::GUI::Plater::2D;
 use Slic3r::GUI::Plater::2DToolpaths;
@@ -87,7 +86,6 @@ sub OnInit {
     Slic3r::set_data_dir($datadir || Wx::StandardPaths::Get->GetUserDataDir);
     Slic3r::GUI::set_wxapp($self);
 
-    $self->{notifier} = Slic3r::GUI::Notifier->new;
     $self->{app_config} = Slic3r::GUI::AppConfig->new;
     $self->{preset_bundle} = Slic3r::GUI::PresetBundle->new;
 
@@ -271,7 +269,9 @@ sub notify {
     $frame->RequestUserAttention(&Wx::wxMAC ? wxUSER_ATTENTION_ERROR : wxUSER_ATTENTION_INFO)
         unless ($frame->IsActive);
 
-    $self->{notifier}->notify($message);
+    # There used to be notifier using a Growl application for OSX, but Growl is dead.
+    # The notifier also supported the Linux X D-bus notifications, but that support was broken.
+    #TODO use wxNotificationMessage?
 }
 
 # Called after the Preferences dialog is closed and the program settings are saved.
diff --git a/lib/Slic3r/GUI/Notifier.pm b/lib/Slic3r/GUI/Notifier.pm
deleted file mode 100644
index 54afffae0..000000000
--- a/lib/Slic3r/GUI/Notifier.pm
+++ /dev/null
@@ -1,46 +0,0 @@
-# Notify about the end of slicing.
-# The notifications are sent out using the Growl protocol if installed, and using DBus XWindow protocol.
-
-package Slic3r::GUI::Notifier;
-use Moo;
-
-has 'growler' => (is => 'rw');
-
-my $icon = Slic3r::var("Slic3r.png");
-
-sub BUILD {
-    my ($self) = @_;
-    
-    if (eval 'use Growl::GNTP; 1') {
-        # register with growl
-        eval {
-            $self->growler(Growl::GNTP->new(AppName => 'Slic3r', AppIcon => $icon));
-            $self->growler->register([{Name => 'SKEIN_DONE', DisplayName => 'Slicing Done'}]);
-        };
-        # if register() fails (for example because of a timeout), disable growler at all
-        $self->growler(undef) if $@;
-    }
-}
-
-sub notify {
-    my ($self, $message) = @_;
-    my $title = 'Slicing Done!';
-
-    eval {
-        $self->growler->notify(Event => 'SKEIN_DONE', Title => $title, Message => $message)
-            if $self->growler;
-    };
-    # Net::DBus is broken in multithreaded environment
-    if (0 && eval 'use Net::DBus; 1') {
-        eval {
-            my $session = Net::DBus->session;
-            my $serv = $session->get_service('org.freedesktop.Notifications');
-            my $notifier = $serv->get_object('/org/freedesktop/Notifications',
-                                             'org.freedesktop.Notifications');
-            $notifier->Notify('Slic3r', 0, $icon, $title, $message, [], {}, -1);
-            undef $Net::DBus::bus_session;
-        };
-    }
-}
-
-1;