diff --git a/area-builder_en.html b/area-builder_en.html
index bb667e2..87b0a86 100644
--- a/area-builder_en.html
+++ b/area-builder_en.html
@@ -113,7 +113,6 @@
 
   if ( brand === 'phet-io' ) {
     preloads = preloads.concat( [
-      '../chipper/js/phet-io/phetioCompareAPIs.js',
       '../phet-io/js/phet-io-initialize-globals.js',
       '../area-builder/js/area-builder-phet-io-overrides.js'
     ] );