diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_hndl.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_hndl.c
index ca0c4f8b02..4357b5c07c 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_hndl.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_hndl.c
@@ -325,8 +325,6 @@ void sngisdn_process_cnst_ind (sngisdn_event_data_t *sngisdn_event)
 	sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
 	ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
 	
-	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
-	
 	CnStEvnt *cnStEvnt = &sngisdn_event->event.cnStEvnt;
 
 	ISDN_FUNC_TRACE_ENTER(__FUNCTION__);