1 files changed, 0 insertions, 18 deletions
diff --git a/browser/extensions/formautofill/test/unit/head.js b/browser/extensions/formautofill/test/unit/head.js
index 2448c7efff..efb9a65c19 100644
--- a/browser/extensions/formautofill/test/unit/head.js
+++ b/browser/extensions/formautofill/test/unit/head.js
@@ -71,24 +71,6 @@ region-name-tw = Taiwan
   L10nRegistry.getInstance().registerSources([mockSource]);
 }
 
-/**
- * Mock the return value of Services.focus.elementIsFocusable
- * since a field's focusability can't be tested in a unit test.
- */
-(function ignoreAFieldsFocusability() {
-  let stub = sinon.stub(Services, "focus").get(() => {
-    return {
-      elementIsFocusable() {
-        return true;
-      },
-    };
-  });
-
-  registerCleanupFunction(() => {
-    stub.restore();
-  });
-})();
-
 do_get_profile();
 
 const EXTENSION_ID = "formautofill@mozilla.org";