diff --git a/public/modules/ui/heightmap-editor.js b/public/modules/ui/heightmap-editor.js
index 6fe69b78..5c3f1fc3 100644
--- a/public/modules/ui/heightmap-editor.js
+++ b/public/modules/ui/heightmap-editor.js
@@ -469,7 +469,7 @@ function editHeightmap(options) {
 
     // recalculate ice
     Ice.generate();
-    drawIce();
+    ice.selectAll("*").remove();
 
     TIME && console.timeEnd("restoreRiskedData");
     INFO && console.groupEnd("Edit Heightmap");