diff --git a/browser/devtools/shared/moz.build b/browser/devtools/shared/moz.build
index a7f75283255..a0df9de8792 100644
--- a/browser/devtools/shared/moz.build
+++ b/browser/devtools/shared/moz.build
@@ -31,6 +31,8 @@ EXTRA_JS_MODULES.devtools += [
 
 EXTRA_JS_MODULES.devtools.shared += [
     'autocomplete-popup.js',
+    'd3.js',
+    'frame-script-utils.js',
     'inplace-editor.js',
     'observable-object.js',
     'telemetry.js',