diff --git a/abbterra/abbterra-registers.json b/abbterra/abbterra-registers.json
index 18c2325..4883cad 100644
--- a/abbterra/abbterra-registers.json
+++ b/abbterra/abbterra-registers.json
@@ -4,7 +4,6 @@
     "endianness": "BigEndian",
     "stringEndianness": "BigEndian",
     "errorLimitUntilNotReachable": 3,
-    "checkReachableRegister": "serialNumber",
     "queuedRequests": true,
     "queuedRequestsDelay": 50,
     "blocks": [