diff --git a/benchmarks/ecal_gaps/ecal_gaps.org b/benchmarks/ecal_gaps/ecal_gaps.org
index 3c060fb4..8bdcac22 100644
--- a/benchmarks/ecal_gaps/ecal_gaps.org
+++ b/benchmarks/ecal_gaps/ecal_gaps.org
@@ -74,7 +74,6 @@ def get_events(particle="e-", energy="20GeV", num_files=1):
         | {f"sim_output/{DETECTOR_CONFIG}/{particle}/{energy}/130to177deg/{particle}_{energy}_130to177deg.{INDEX:04d}.eicrecon.tree.edm4eic.root": "events" for INDEX in range(num_files)}
         ,
         filter_name=filter_name, open_files=False, steps_per_file=1,
-        ignore_duplicates=True, # workaround a regression from https://github.com/scikit-hep/uproot5/pull/1189
     )
 
     print(events.fields)