diff --git a/recipes-iot/aws-iot-greengrass/greengrass-bin_2.14.0.bb b/recipes-iot/aws-iot-greengrass/greengrass-bin_2.14.0.bb
index b34c0c27a..f20b62376 100644
--- a/recipes-iot/aws-iot-greengrass/greengrass-bin_2.14.0.bb
+++ b/recipes-iot/aws-iot-greengrass/greengrass-bin_2.14.0.bb
@@ -145,3 +145,6 @@ INSANE_SKIP:${PN} += "already-stripped ldflags file-rdeps"
 RDEPENDS:${PN}-ptest += "\
     greengrass-bin \
     "
+
+# disable automatic startup of greengrass, cause we want to monitor the startup.
+SYSTEMD_SERVICE:${PN}-ptest:remove = "greengrass.service"