From 388aafb12fa0ee153f4003d97a6c7b814903eb41 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Fri, 18 Jun 2021 12:05:19 -0400
Subject: [PATCH] free references to unused data

---
 src/kiri/slicer.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/kiri/slicer.js b/src/kiri/slicer.js
index 94816a56..a0db59b4 100644
--- a/src/kiri/slicer.js
+++ b/src/kiri/slicer.js
@@ -585,6 +585,10 @@
                 }
             }
             slices.push(slice);
+            if (!(topoMode || simpleMode)) {
+                delete slice.lines;
+                delete slice.groups;
+            }
             return slice;
         }
     }