diff --git a/opencompass/summarizers/subjective/alpacaeval.py b/opencompass/summarizers/subjective/alpacaeval.py
index a5aef8e6..528aa03e 100644
--- a/opencompass/summarizers/subjective/alpacaeval.py
+++ b/opencompass/summarizers/subjective/alpacaeval.py
@@ -133,8 +133,7 @@ class AlpacaSummarizer:
                         dataset, subdir_path, self.judge_function)
                     win_model1, win_model2, categories = defaultdict(
                         float), defaultdict(float), defaultdict(float)
-                    model1, model2 = references[0]['answer1'], references[0][
-                        'answer2']
+
                     for prediction, reference in zip(judged_answers,
                                                      references):
                         categories['total'] += 1
diff --git a/opencompass/summarizers/subjective/compass_arena.py b/opencompass/summarizers/subjective/compass_arena.py
index 7232ceca..13662110 100644
--- a/opencompass/summarizers/subjective/compass_arena.py
+++ b/opencompass/summarizers/subjective/compass_arena.py
@@ -117,8 +117,6 @@ class CompassArenaSummarizer:
                     win_model1 = defaultdict(float)
                     win_model2 = defaultdict(float)
                     categories = defaultdict(float)
-                    model1 = references[0]['answer1']
-                    model2 = references[0]['answer2']
                     for prediction, reference in zip(judged_answers, references):
                         categories[dataset_abbr] += 1
                         categories[reference['capability']] += 1