diff --git a/benchmarks/ridge/consolidate_result_csv.py b/benchmarks/ridge/consolidate_result_csv.py
index 0461d71..b2cb42f 100644
--- a/benchmarks/ridge/consolidate_result_csv.py
+++ b/benchmarks/ridge/consolidate_result_csv.py
@@ -2,7 +2,6 @@
 from functools import partial
 from io import BytesIO
 from itertools import zip_longest
-from operator import attrgetter
 
 import numpy as np
 import pandas as pd