diff --git a/toolkit/components/webextensions/moz.build b/toolkit/components/webextensions/moz.build
index f32f526f96..8865254df7 100644
--- a/toolkit/components/webextensions/moz.build
+++ b/toolkit/components/webextensions/moz.build
@@ -12,7 +12,7 @@ EXTRA_JS_MODULES += [
     'ExtensionContent.jsm',
     'ExtensionManagement.jsm',
     'ExtensionParent.jsm',
-    'ExtensionStorage.jsm',
+#    'ExtensionStorage.jsm',
     'ExtensionUtils.jsm',
     'LegacyExtensionsUtils.jsm',
     'MessageChannel.jsm',