diff --git a/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh b/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh
index 6392d3f913473331ee2561e522ec9fb4131a3db3..49ec374b7d12f7177ca6977c9b22ef3aa514458a 100755
--- a/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh
+++ b/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh
@@ -4,7 +4,7 @@
 #
 # art-type: grid
 # art-input: mc16_13TeV.423000.ParticleGun_single_electron_egammaET.recon.RDO.e3566_s3113_r10470
-# art-input-nfiles: 30
+# art-input-nfiles: 15
 # art-cores: 4
 # art-include: 21.0/Athena
 # art-include: master/Athena
diff --git a/Reconstruction/egamma/egammaValidation/test/test_gamma_pileup.sh b/Reconstruction/egamma/egammaValidation/test/test_gamma_pileup.sh
index ed620efd81433f3485202d6e0e67d50b486f4917..147afa872968f1f29ac1969a4b6152b03f73c79a 100755
--- a/Reconstruction/egamma/egammaValidation/test/test_gamma_pileup.sh
+++ b/Reconstruction/egamma/egammaValidation/test/test_gamma_pileup.sh
@@ -4,7 +4,7 @@
 #
 # art-type: grid
 # art-input: mc16_13TeV.423001.ParticleGun_single_photon_egammaET.recon.RDO.e3566_s3113_r10470
-# art-input-nfiles: 30
+# art-input-nfiles: 15
 # art-cores: 4
 # art-include: 21.0/Athena
 # art-include: master/Athena