diff --git a/include/osmocom/msc/osmo_msc.h b/include/osmocom/msc/osmo_msc.h
index a757a9940..ad81da5d5 100644
--- a/include/osmocom/msc/osmo_msc.h
+++ b/include/osmocom/msc/osmo_msc.h
@@ -12,8 +12,6 @@
 #define MSC_HLR_REMOTE_PORT_DEFAULT OSMO_GSUP_PORT
 
 enum subscr_conn_fsm_event {
-	/* Mark 0 as invalid to catch uninitialized vars */
-	SUBSCR_CONN_E_INVALID = 0,
 	/* Accepted the initial Complete Layer 3 (starting to evaluate Authentication and Ciphering) */
 	SUBSCR_CONN_E_COMPLETE_LAYER_3,
 	/* Received Classmark Update, typically neede for Ciphering Mode Command */
diff --git a/src/libmsc/subscr_conn.c b/src/libmsc/subscr_conn.c
index e6fa7e11f..78af274f2 100644
--- a/src/libmsc/subscr_conn.c
+++ b/src/libmsc/subscr_conn.c
@@ -43,7 +43,6 @@
 #define SUBSCR_CONN_TIMEOUT 5 /* seconds */
 
 static const struct value_string subscr_conn_fsm_event_names[] = {
-	OSMO_VALUE_STRING(SUBSCR_CONN_E_INVALID),
 	OSMO_VALUE_STRING(SUBSCR_CONN_E_COMPLETE_LAYER_3),
 	OSMO_VALUE_STRING(SUBSCR_CONN_E_CLASSMARK_UPDATE),
 	OSMO_VALUE_STRING(SUBSCR_CONN_E_ACCEPTED),