diff --git a/inseq/data/viz.py b/inseq/data/viz.py
index 30078f0..99a13fe 100644
--- a/inseq/data/viz.py
+++ b/inseq/data/viz.py
@@ -298,7 +298,6 @@ def show_token_attributions(
         title = "Generated text:\n\n"
         if step_score_highlight is not None:
             step_scores = attr.step_scores[step_score_highlight]
-            scores_vmin = step_scores.min().item()
             scores_vmax = step_scores.max().item()
             title = f"Generated text with {step_score_highlight} highlights:\n\n"
         generated_token_parts.append(rp.custom_style(rp.text(title), css_style="font-weight: bold;"))
@@ -333,7 +332,7 @@ def show_token_attributions(
             if step_scores is not None:
                 gen_tok_label = fg.treescope_part_from_display_object(
                     fg.text_on_color(
-                        curr_gen_tok, value=round(step_scores[gen_idx].item(), 4), vmin=scores_vmin, vmax=scores_vmax
+                        curr_gen_tok, value=round(step_scores[gen_idx].item(), 4), vmax=scores_vmax
                     )
                 )
             else: