diff --git a/src/unittest.scad b/src/unittest.scad
index 3bb681d6..cf600587 100644
--- a/src/unittest.scad
+++ b/src/unittest.scad
@@ -1,17 +1,3 @@
-function round_n(number, float_digits = 4) =
-    let(n = pow(10, float_digits)) 
-    round(number * n) / n;
-
-function mul_round_pt(point, n) = 
-    let(pt = point * n)
-    len(pt) == 2 ? 
-        [round(pt[0]), round(pt[1])] :
-        [round(pt[0]), round(pt[1]), round(pt[2])];
-
-function round_pts(points, float_digits = 4) = 
-    let(n = pow(10, float_digits))
-    [for(pt = points) mul_round_pt(pt, n) / n];
-
 module assertEqualPoint(expected, actual, epsilon = 0.0001) {
     leng_expected = len(expected);
     leng_actual = len(actual);
@@ -50,12 +36,3 @@ module assertEqualNum(expected, actual, epsilon = 0.0001) {
         str("expected: ", expected, ", but: ", actual)
     );
 }
-
-function mul_round_vector(vector, n) = 
-    let(vt = vector * n)
-    [for(v = vt) round(v)]; 
-
-function round_vectors(vectors, float_digits = 4) = 
-    let(n = pow(10, float_digits))
-    [for(vt = vectors) mul_round_vector(vt, n) / n];
-