diff --git a/benchmarks/synchrotron/synchrotron.sh b/benchmarks/synchrotron/synchrotron.sh
index c193e5226a5fefd4dbc894c7e0a31f7060cf6eda..fe1769dc1bccd650709a91944b38b13b2369be51 100644
--- a/benchmarks/synchrotron/synchrotron.sh
+++ b/benchmarks/synchrotron/synchrotron.sh
@@ -100,7 +100,6 @@ fi
 ### Step 2. Run the simulation (geant4)
 if [[ -n "${DO_SIM}" || -n "${DO_ALL}" ]] ; then
   ## run geant4 simulations
-  export JUGGLER_N_EVENTS=1000000
   npsim --runType batch \
     --part.minimalKineticEnergy 1000*GeV  \
     --filter.tracker edep0 \