diff --git a/tests/core/test_history.py b/tests/core/test_history.py
index c7e67cd43cb8152e40be3f9f854d84f77f52878a..bbd9ed24001761b29cb09d3598708b2d891b1112 100644
--- a/tests/core/test_history.py
+++ b/tests/core/test_history.py
@@ -251,7 +251,7 @@ def test_append_force(__hist, s, max_val):
         (pd.Series(4, index=range(6), dtype=float), {"last": 4, "min": 0, "max": 6}),
     ],
 )
-def test_aggregations(__hist, col, expected, hist=History(index=pd.Index(range(6)))):
+def test_aggregations(col, expected, hist=History(index=pd.Index(range(6)))):
     import saqc.core.history
 
     hist.append(col)