1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_dns.js b/toolkit/components/extensions/test/xpcshell/test_ext_dns.js
index 4b8599b0c5..c9e9d29ed5 100644
--- a/toolkit/components/extensions/test/xpcshell/test_ext_dns.js
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_dns.js
@@ -14,7 +14,7 @@ AddonTestUtils.createAppInfo(
   "42"
 );
 
-function getExtension(background = undefined) {
+function getExtension() {
   let manifest = {
     permissions: ["dns", "proxy"],
   };