diff --git a/tests/test_batch_fixes.py b/tests/test_batch_fixes.py
index 625f9dea2..e4a5a138c 100644
--- a/tests/test_batch_fixes.py
+++ b/tests/test_batch_fixes.py
@@ -80,7 +80,7 @@ class TestCronSkillCacheInvalidation:
     def _panels_src(self):
         return read("static/panels.js")
 
-    def test_cache_busted_on_form_open(self, encoding="utf-8"):
+    def test_cache_busted_on_form_open(self):
         src = self._panels_src()
         # toggleCronForm should set cache to null unconditionally
         # openCronCreate() opens the task create form (renamed from toggleCronForm
@@ -94,7 +94,7 @@ class TestCronSkillCacheInvalidation:
             "before fetching skills"
         )
 
-    def test_cache_not_guarded_by_if_on_open(self, encoding="utf-8"):
+    def test_cache_not_guarded_by_if_on_open(self):
         src = self._panels_src()
         # openCronCreate must not gate the fetch behind an if(!_cronSkillsCache) guard.
         m = re.search(