diff --git a/cime_config/machines/config_machines.xml b/cime_config/machines/config_machines.xml
index f3aa5cfa6149..bbaa954bfa28 100644
--- a/cime_config/machines/config_machines.xml
+++ b/cime_config/machines/config_machines.xml
@@ -2616,7 +2616,7 @@
     <EXEROOT>$CIME_OUTPUT_ROOT/$CASE/bld</EXEROOT>
     <TEST_TPUT_TOLERANCE>0.05</TEST_TPUT_TOLERANCE>
     <TEST_MEMLEAK_TOLERANCE>0.05</TEST_MEMLEAK_TOLERANCE>
-    <MAX_GB_OLD_TEST_DATA>1000</MAX_GB_OLD_TEST_DATA>
+    <MAX_GB_OLD_TEST_DATA>0</MAX_GB_OLD_TEST_DATA>
     <environment_variables>
       <env name="PERL5LIB">/lcrc/group/e3sm/soft/perl/chrys/lib/perl5</env>
       <env name="NETCDF_C_PATH">$SHELL{dirname $(dirname $(which nc-config))}</env>
@@ -2698,7 +2698,7 @@
     <RUNDIR>$CIME_OUTPUT_ROOT/$CASE/run</RUNDIR>
     <EXEROOT>$CIME_OUTPUT_ROOT/$CASE/bld</EXEROOT>
     <TEST_TPUT_TOLERANCE>0.1</TEST_TPUT_TOLERANCE>
-    <MAX_GB_OLD_TEST_DATA>1000</MAX_GB_OLD_TEST_DATA>
+    <MAX_GB_OLD_TEST_DATA>0</MAX_GB_OLD_TEST_DATA>
     <environment_variables>
       <env name="NETCDF_C_PATH">$SHELL{dirname $(dirname $(which nc-config))}</env>
       <env name="NETCDF_FORTRAN_PATH">$SHELL{dirname $(dirname $(which nf-config))}</env>
@@ -2777,7 +2777,7 @@
     <RUNDIR>$CIME_OUTPUT_ROOT/$CASE/run</RUNDIR>
     <EXEROOT>$CIME_OUTPUT_ROOT/$CASE/bld</EXEROOT>
     <TEST_TPUT_TOLERANCE>0.1</TEST_TPUT_TOLERANCE>
-    <MAX_GB_OLD_TEST_DATA>1000</MAX_GB_OLD_TEST_DATA>
+    <MAX_GB_OLD_TEST_DATA>0</MAX_GB_OLD_TEST_DATA>
     <environment_variables>
       <env name="NETCDF_C_PATH">$SHELL{dirname $(dirname $(which nc-config))}</env>
       <env name="NETCDF_FORTRAN_PATH">$SHELL{dirname $(dirname $(which nf-config))}</env>