diff --git a/openbsc/include/openbsc/chan_alloc.h b/openbsc/include/openbsc/chan_alloc.h
index d4f5858..fff0ea3 100644
--- a/openbsc/include/openbsc/chan_alloc.h
+++ b/openbsc/include/openbsc/chan_alloc.h
@@ -34,9 +34,6 @@
 /* Regular physical channel (TS) */
 void ts_free(struct gsm_bts_trx_ts *ts);
 
-/* Find an allocated channel */
-struct gsm_lchan *lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr);
-
 /* Find an allocated channel for a specified subscriber */
 struct gsm_lchan *lchan_for_subscr(struct gsm_subscriber *subscr);
 
diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 9df449f..4809496 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -378,7 +378,7 @@
 		bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);
 }
 
-struct gsm_lchan* lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr) {
+static struct gsm_lchan* lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr) {
 	struct gsm_bts_trx *trx;
 	int ts_no, lchan_no;