diff --git a/lib/Slic3r/GUI.pm b/lib/Slic3r/GUI.pm
index e08e6362d..3258e52e1 100644
--- a/lib/Slic3r/GUI.pm
+++ b/lib/Slic3r/GUI.pm
@@ -17,7 +17,6 @@ use Slic3r::GUI::Plater::2DToolpaths;
 use Slic3r::GUI::Plater::3D;
 use Slic3r::GUI::Plater::ObjectPartsPanel;
 use Slic3r::GUI::Plater::ObjectCutDialog;
-use Slic3r::GUI::Plater::ObjectPreviewDialog;
 use Slic3r::GUI::Plater::ObjectSettingsDialog;
 use Slic3r::GUI::Plater::OverrideSettingsPanel;
 use Slic3r::GUI::Preferences;
diff --git a/lib/Slic3r/GUI/Plater/ObjectPreviewDialog.pm b/lib/Slic3r/GUI/Plater/ObjectPreviewDialog.pm
deleted file mode 100644
index 9d650fc83..000000000
--- a/lib/Slic3r/GUI/Plater/ObjectPreviewDialog.pm
+++ /dev/null
@@ -1,35 +0,0 @@
-package Slic3r::GUI::Plater::ObjectPreviewDialog;
-use strict;
-use warnings;
-use utf8;
-
-use Wx qw(:dialog :id :misc :sizer :systemsettings :notebook wxTAB_TRAVERSAL);
-use Wx::Event qw(EVT_CLOSE);
-use base 'Wx::Dialog';
-
-sub new {
-    my $class = shift;
-    my ($parent, %params) = @_;
-    my $self = $class->SUPER::new($parent, -1, $params{object}->name, wxDefaultPosition, [500,500], wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
-    $self->{model_object} = $params{model_object};
-    
-    my $canvas = Slic3r::GUI::PreviewCanvas->new($self);
-    $canvas->load_object($self->{model_object});
-    $canvas->set_bounding_box($self->{model_object}->bounding_box);
-    $canvas->set_auto_bed_shape;
-    
-    my $sizer = Wx::BoxSizer->new(wxVERTICAL);
-    $sizer->Add($canvas, 1, wxEXPAND, 0);
-    $self->SetSizer($sizer);
-    $self->SetMinSize($self->GetSize);
-    
-    # needed to actually free memory
-    EVT_CLOSE($self, sub {
-        $self->EndModal(wxID_OK);
-        $self->Destroy;
-    });
-    
-    return $self;
-}
-
-1;