diff --git a/fmriprep/interfaces/reports.py b/fmriprep/interfaces/reports.py
index 2002af214..9d72aa0f1 100644
--- a/fmriprep/interfaces/reports.py
+++ b/fmriprep/interfaces/reports.py
@@ -169,7 +169,6 @@ def _generate_segment(self):
         if counts:
             header = '\t\t<ul class="elem-desc">'
             footer = '\t\t</ul>'
-            s = '' if n_runs == 1 else 's'
             lines = [
                 f'\t\t\t<li>Task: {task_id} ({n_runs:d} run{"s"[:n_runs > 1]})</li>'
                 for task_id, n_runs in sorted(counts.items())