diff --git a/lib/Slic3r/Perimeter.pm b/lib/Slic3r/Perimeter.pm
index d221be4ba..8d48d526e 100644
--- a/lib/Slic3r/Perimeter.pm
+++ b/lib/Slic3r/Perimeter.pm
@@ -146,39 +146,6 @@ sub offset_polygon {
         outer => $_,
         holes => [ @hole_offsets ],
     }} @contour_offsets;
-    
-    
-    # OLD CODE to be removed
-    if (0) {
-        #my $contour_offsets = $contour_p->offset_polygon($Slic3r::flow_width / $Slic3r::resolution);
-        #my @hole_offsets = map @$_, map $_->offset_polygon(- $Slic3r::flow_width / $Slic3r::resolution), @holes_p;
-        Slic3r::SVG::output_polygons($main::print, "holes.svg", [ @holes_p ]);
-        my $contour_offsets = offset([ $contour_p ], -$distance);
-        my @hole_offsets = map { ref $_ eq 'ARRAY' ? @$_ : () } map offset([ $_ ], -$distance), @holes_p;
-        
-        # defensive programming
-        if (@$contour_offsets > 1) {
-            die "Got more than one contour offset!";
-        }
-        
-        # now we subtract perimeter offsets from the contour offset polygon
-        # this will generate a single polygon with correct holes and also
-        # will take care of collisions between contour offset and holes
-        my $clipper = Math::Clipper->new;
-        my @resulting_offsets = ();
-        foreach my $contour_points (@$contour_offsets) {
-            $clipper->clear;
-            $clipper->add_subject_polygon($contour_points);
-            $clipper->add_clip_polygon($_) for @hole_offsets;
-            
-            my $result = $clipper->ex_execute(CT_DIFFERENCE, PFT_NONZERO, PFT_NONZERO);
-            # now we've got @$result, which is an array of Math::Clipper ExPolygons
-            # representing the inner surface including hole perimeters
-            push @resulting_offsets, @$result;
-        }
-        
-        return @resulting_offsets;
-    }
 }
 
 sub _mgp_from_points_ref {