diff --git a/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh b/Reconstruction/egamma/egammaValidation/test/test_electron_pileup.sh
index 8034e946ee54ba04297e8cdef1a7db50e5c4cfbb..049e211840dd6ce30b7ec0b78f9324c338bd2e5e 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 6db5256ec3bb618e1c9c2101d4c1ccf614a6d37a..7ea71140b2e4bdfa3b32e63eb194e45f66a05ca6 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