diff --git a/automated/linux/sigwaittest/sigwaittest.sh b/automated/linux/sigwaittest/sigwaittest.sh
index 7293e52..8e87340 100755
--- a/automated/linux/sigwaittest/sigwaittest.sh
+++ b/automated/linux/sigwaittest/sigwaittest.sh
@@ -10,18 +10,16 @@
 LOGFILE="${OUTPUT}/sigwaittest.log"
 RESULT_FILE="${OUTPUT}/result.txt"
 DURATION="5m"
-MAX_LATENCY="100"
 BACKGROUND_CMD=""
 
 usage() {
-    echo "Usage: $0 [-D duration] [-m latency] [-w background_cmd]" 1>&2
+    echo "Usage: $0 [-D duration] [-w background_cmd]" 1>&2
     exit 1
 }
 
-while getopts ":D:m:w:" opt; do
+while getopts ":D:w:" opt; do
     case "${opt}" in
         D) DURATION="${OPTARG}" ;;
-	m) MAX_LATENCY="${OPTARG}" ;;
 	w) BACKGROUND_CMD="${OPTARG}" ;;
         *) usage ;;
     esac
@@ -46,5 +44,5 @@
 background_process_stop bgcmd
 
 # Parse test log.
-../../lib/parse_rt_tests_results.py sigwaittest "${LOGFILE}" "${MAX_LATENCY}" \
+../../lib/parse_rt_tests_results.py sigwaittest "${LOGFILE}" \
     | tee -a "${RESULT_FILE}"