diff --git a/src/test/resources/expected/KafasatBeacon.json b/src/test/resources/expected/KafasatBeacon.json
index 2da7ef2d..afe04a2e 100644
--- a/src/test/resources/expected/KafasatBeacon.json
+++ b/src/test/resources/expected/KafasatBeacon.json
@@ -10,7 +10,6 @@
   },
   "secondary": {
     "pusVersion": 1,
-    "ack": 0,
     "serviceType": 3,
     "serviceSubType": 25
   },