diff --git a/test/integration/factories/instance_template_factory.rb b/test/integration/factories/instance_template_factory.rb
index 962af67be2..9a1f0a6ede 100644
--- a/test/integration/factories/instance_template_factory.rb
+++ b/test/integration/factories/instance_template_factory.rb
@@ -13,6 +13,7 @@ def params
           :machine_type => TEST_MACHINE_TYPE,
           :disks => [{
                          :boot => true,
+                         :auto_delete => true,
                          :initialize_params =>
                           { :source_image => "projects/ubuntu-os-cloud/global/images/ubuntu-1804-bionic-v20180522" }
                      }],