diff --git a/src/__comm__/_convex_hull3.scad b/src/__comm__/_convex_hull3.scad
index 219a1240..96752237 100644
--- a/src/__comm__/_convex_hull3.scad
+++ b/src/__comm__/_convex_hull3.scad
@@ -87,14 +87,14 @@ function _convex_hull3(pts) =
         leng = len(sorted),
         v0 = 0,
         v1 =  _fst_v1(sorted, leng, v0 + 1),
-        _ = assert(v1 < leng, "common points"),
-        v2 = _fst_v2(sorted, leng, v1, v1 + 1),
-        __ = assert(v2 < leng, "collinear points"),
-        n = cross(sorted[v1] - sorted[v0], sorted[v2] - sorted[v0]),
+        v2 = assert(v1 < leng, "common points") 
+             _fst_v2(sorted, leng, v1, v1 + 1),
+        n = assert(v2 < leng, "collinear points") 
+            cross(sorted[v1] - sorted[v0], sorted[v2] - sorted[v0]),
         v3_d = _fst_v3(sorted, leng, n, 0, v2 + 1),
         v3 = v3_d[0],
-        ___ = assert(v3 < leng, "coplanar points"),
-        d = v3_d[1],
+        d = assert(v3 < leng, "coplanar points")
+            v3_d[1],
         fst_tetrahedron = d > 0 ? [
                 [v1, v0, v2],
                 [v0, v1, v3],
diff --git a/src/_impl/_bijection_offset_impl.scad b/src/_impl/_bijection_offset_impl.scad
index 608012fb..78112f66 100644
--- a/src/_impl/_bijection_offset_impl.scad
+++ b/src/_impl/_bijection_offset_impl.scad
@@ -43,10 +43,10 @@ function _bijection_offset_impl(pts, d, epsilon) =
             let(
                 this_edge = offset_es[i],
                 next_edge = offset_es[i + 1],
-                p = __line_intersection2(this_edge, next_edge, epsilon),
-                // p == p to avoid [nan, nan], because [nan, nan] != [nan, nan],
-                _ = assert(p != [] && p == p, "bijection_offset failed. Parallel or conincident edges found")
+                p = __line_intersection2(this_edge, next_edge, epsilon)
             )
+            // p == p to avoid [nan, nan], because [nan, nan] != [nan, nan]
+            assert(p != [] && p == p, "bijection_offset failed. Parallel or conincident edges found")
             p
         ]
     ];
diff --git a/src/experimental/tri_is_ccw.scad b/src/experimental/tri_is_ccw.scad
index cb2e00e3..d9e17564 100644
--- a/src/experimental/tri_is_ccw.scad
+++ b/src/experimental/tri_is_ccw.scad
@@ -3,7 +3,7 @@ function tri_is_ccw(shape_pts) =
 		p1 = shape_pts[0],
 		p2 = shape_pts[1], 
 		p3 = shape_pts[2],
-		area = (p2[0] - p1[0]) * (p3[1] - p1[1]) - (p3[0] - p1[0]) * (p2[1] - p1[1]),
-		_ = assert(area != 0, "points are collinear")
+		area = (p2[0] - p1[0]) * (p3[1] - p1[1]) - (p3[0] - p1[0]) * (p2[1] - p1[1])
 	)
+    assert(area != 0, "points are collinear")
 	area > 0;
\ No newline at end of file