diff --git a/src/libvlr/vlr_access_req_fsm.c b/src/libvlr/vlr_access_req_fsm.c
index 7684d02..73f8955 100644
--- a/src/libvlr/vlr_access_req_fsm.c
+++ b/src/libvlr/vlr_access_req_fsm.c
@@ -338,7 +338,7 @@
 	if (is_auth_required(par)) {
 		osmo_fsm_inst_state_chg(fi, PR_ARQ_S_WAIT_AUTH,
 					0, 0);
-		vsub->auth_fsm = auth_fsm_start(vsub, fi->log_level, fi,
+		vsub->auth_fsm = auth_fsm_start(vsub, fi,
 						PR_ARQ_E_AUTH_RES,
 						par->is_r99,
 						par->is_utran);
diff --git a/src/libvlr/vlr_auth_fsm.c b/src/libvlr/vlr_auth_fsm.c
index dcdf584..1cacbce 100644
--- a/src/libvlr/vlr_auth_fsm.c
+++ b/src/libvlr/vlr_auth_fsm.c
@@ -596,7 +596,6 @@
 
 /* MSC->VLR: Start Procedure Authenticate_VLR (TS 23.012 Ch. 4.1.2.2) */
 struct osmo_fsm_inst *auth_fsm_start(struct vlr_subscr *vsub,
-				     uint32_t log_level,
 				     struct osmo_fsm_inst *parent,
 				     uint32_t parent_term_event,
 				     bool is_r99,
diff --git a/src/libvlr/vlr_auth_fsm.h b/src/libvlr/vlr_auth_fsm.h
index 1f2cb49..4be889f 100644
--- a/src/libvlr/vlr_auth_fsm.h
+++ b/src/libvlr/vlr_auth_fsm.h
@@ -30,7 +30,6 @@
 struct osmo_fsm vlr_auth_fsm;
 
 struct osmo_fsm_inst *auth_fsm_start(struct vlr_subscr *vsub,
-				     uint32_t log_level,
 				     struct osmo_fsm_inst *parent,
 				     uint32_t parent_term_event,
 				     bool is_r99,
diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c
index e4d40f0..d5425e7 100644
--- a/src/libvlr/vlr_lu_fsm.c
+++ b/src/libvlr/vlr_lu_fsm.c
@@ -906,7 +906,7 @@
 		/* Authenticate_VLR */
 		osmo_fsm_inst_state_chg(fi, VLR_ULA_S_WAIT_AUTH,
 					LU_TIMEOUT_LONG, 0);
-		vsub->auth_fsm = auth_fsm_start(lfp->vsub, fi->log_level,
+		vsub->auth_fsm = auth_fsm_start(lfp->vsub,
 						fi, VLR_ULA_E_AUTH_RES,
 						lfp->is_r99,
 						lfp->is_utran);