diff --git a/FSR_decodingKeys/expected.json b/FSR_decodingKeys/expected.json
index 3316144bc569322c24de16d5d2576a9074b7fffa..a8f6890f65a1c7b41aba3ef93c5c1a27cd556a96 100644
--- a/FSR_decodingKeys/expected.json
+++ b/FSR_decodingKeys/expected.json
@@ -82,7 +82,6 @@
     "ioalg_buffer_nb_events": 20,
     "mdf_ioalg_name": "IOAlgFileRead",
     "memory_pool_size": 10485760,
-    "lines_maker": null,
     "monitoring_file": null,
     "msg_svc_format": "% F%35W%S %7W%R%T %0W%M",
     "msg_svc_time_format": "%Y-%m-%d %H:%M:%S UTC",