diff --git a/src/collection/hashset_del.scad b/src/collection/hashset_del.scad
index b90215bf..416ec9c6 100644
--- a/src/collection/hashset_del.scad
+++ b/src/collection/hashset_del.scad
@@ -1,9 +1,6 @@
 use <../__comm__/_str_hash.scad>;
 use <../util/slice.scad>;
-
-function _find(lt, elem, eq, leng, i = 0) =
-    i == leng ? -1 :
-    eq(lt[i], elem) ? i : _find(lt, elem, eq, leng, i + 1);
+use <../util/find_index.scad>;
 
 function hashset_del(set, elem, eq = function(e1, e2) e1 == e2, hash = function(e) _str_hash(e)) =
     let(
@@ -12,7 +9,7 @@ function hashset_del(set, elem, eq = function(e1, e2) e1 == e2, hash = function(
 		leng = len(bucket)
 	)
 	leng == 0 ? set :
-	let(i = _find(bucket, elem, eq, leng))
+	let(i = find_index(bucket, function(e) eq(e, elem)))
 	i == -1 ? set : 
 	concat(
 	    slice(set, 0, bidx),