diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/git/BUCK b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/git/BUCK
index e6ac4141f8..6014118f43 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/git/BUCK
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/git/BUCK
@@ -3,13 +3,11 @@ include_defs('//gerrit-acceptance-tests/tests.defs')
 acceptance_tests(
   srcs = ['SubmitOnPushIT.java'],
   deps = [':util'],
-  vm_args = ['-Xmx512m'],
 )
 
 acceptance_tests(
   srcs = ['HttpPushForReviewIT.java', 'SshPushForReviewIT.java'],
   deps = [':push_for_review'],
-  vm_args = ['-Xmx512m'],
 )
 
 java_library(
diff --git a/gerrit-acceptance-tests/tests.defs b/gerrit-acceptance-tests/tests.defs
index 4bd40c1d29..f125a393a3 100644
--- a/gerrit-acceptance-tests/tests.defs
+++ b/gerrit-acceptance-tests/tests.defs
@@ -1,7 +1,7 @@
 def acceptance_tests(
     srcs,
     deps = [],
-    vm_args = []):
+    vm_args = ['-Xmx128m']):
   for j in srcs:
     java_test(
       name = j[:-len('.java')],