diff --git a/src/cli/kiri-source.json b/src/cli/kiri-source.json
index 8f6e7434..7b0f19b7 100644
--- a/src/cli/kiri-source.json
+++ b/src/cli/kiri-source.json
@@ -5,7 +5,6 @@
     "add/class",
     "ext/three",
     "ext/three-bgu",
-    "ext/three-svg",
     "add/three",
     "ext/clip2",
     "ext/earcut",
diff --git a/src/kiri/layers.js b/src/kiri/layers.js
index 462bc75c..87fbc42b 100644
--- a/src/kiri/layers.js
+++ b/src/kiri/layers.js
@@ -222,8 +222,7 @@ class Layers {
                 continue;
             }
             if (one) {
-                // merge all contour geometry for massive speed gain
-                // todo: recode to concat all geometries at once, and not incrementally
+                // for some reason, incremental merge is faster than all at the end
                 const add = one.faces.length / 3;
                 const feces = new Float32Array(one.faces.length + faces.length);
                 const indln = one.faces.length / 3;
diff --git a/src/kiri/stack.js b/src/kiri/stack.js
index 51bf3955..4f0d3b60 100644
--- a/src/kiri/stack.js
+++ b/src/kiri/stack.js
@@ -192,7 +192,7 @@ class Stack {
             }
             mat.forEach(m => m.visible = defstate);
             // const mat = newMat(data);
-            const { index, faces, norms, z, colors } = paths;
+            const { index, faces, norms, z } = paths;
             const geo = new THREE.BufferGeometry();
             geo.setAttribute('position', new THREE.BufferAttribute(faces, 3));
             if (index && index.length) {