diff --git a/avr/devices/n28/enclosure.scad b/avr/devices/n28/enclosure.scad
index 77ffaeb..0bf1e29 100644
--- a/avr/devices/n28/enclosure.scad
+++ b/avr/devices/n28/enclosure.scad
@@ -10,11 +10,9 @@ post_diameter = 8;
 post_height = 0;
 
 hole_diameter = 3;
-lid_thickness = 1.9;
-lid_lip = 1 ;
-lid_tolerance = .3;
 
 lid_height = 4;
+lid_tolerance = .3;
 
 hook_height = 1;
 hook_tolerance = .25;