diff --git a/src/fontra/client/core/var-glyph.js b/src/fontra/client/core/var-glyph.js
index 29210038a..28f7094d7 100644
--- a/src/fontra/client/core/var-glyph.js
+++ b/src/fontra/client/core/var-glyph.js
@@ -77,7 +77,7 @@ export function copyComponent(component) {
   };
 }
 
-export function copyBackgroundImage(image) {
+function copyBackgroundImage(image) {
   if (!image) {
     return undefined;
   }
diff --git a/src/fontra/views/editor/edit-behavior.js b/src/fontra/views/editor/edit-behavior.js
index 7c16e094c..f1a81725a 100644
--- a/src/fontra/views/editor/edit-behavior.js
+++ b/src/fontra/views/editor/edit-behavior.js
@@ -2,7 +2,7 @@ import { consolidateChanges } from "../core/changes.js";
 import { polygonIsConvex } from "../core/convex-hull.js";
 import { Transform, decomposedToTransform } from "../core/transform.js";
 import { enumerate, parseSelection, reversed, unionIndexSets } from "../core/utils.js";
-import { copyBackgroundImage, copyComponent } from "../core/var-glyph.js";
+import { copyComponent } from "../core/var-glyph.js";
 import * as vector from "../core/vector.js";
 import {
   ANY,