diff --git a/takeup.scad b/takeup.scad
index 2c0fd7b..11cda38 100755
--- a/takeup.scad
+++ b/takeup.scad
@@ -184,10 +184,6 @@ module minimal_mount () {
     }
 }
 
-module m4_nut (H = 3.1) {
-    cylinder(r = R(8.1), h = 3.1, center = true, $fn = 6);
-}
-
 module daylight_spool_insert_reinforced () {
     //internally Hex M4 40mm
     difference () {