diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 60205be..59947fd 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -104,13 +104,12 @@
 
 struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts)
 {
-	struct gsm_bts_trx *trx = talloc(bts, struct gsm_bts_trx);
+	struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx);
 	int k;
 
 	if (!trx)
 		return NULL;
 
-	memset(trx, 0, sizeof(*trx));
 	trx->bts = bts;
 	trx->nr = bts->num_trx++;
 
@@ -140,13 +139,12 @@
 struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type,
 			      u_int8_t tsc, u_int8_t bsic)
 {
-	struct gsm_bts *bts = talloc(net, struct gsm_bts);
+	struct gsm_bts *bts = talloc_zero(net, struct gsm_bts);
 	int i;
 
 	if (!bts)
 		return NULL;
 
-	memset(bts, 0, sizeof(*bts));
 	bts->network = net;
 	bts->nr = net->num_bts++;
 	bts->type = type;
@@ -179,10 +177,9 @@
 {
 	struct gsm_network *net;
 
-	net = talloc(tall_bsc_ctx, struct gsm_network);
+	net = talloc_zero(tall_bsc_ctx, struct gsm_network);
 	if (!net)
 		return NULL;
-	memset(net, 0, sizeof(*net));	
 
 	net->country_code = country_code;
 	net->network_code = network_code;
diff --git a/openbsc/src/gsm_subscriber_base.c b/openbsc/src/gsm_subscriber_base.c
index 868b355..48374ea 100644
--- a/openbsc/src/gsm_subscriber_base.c
+++ b/openbsc/src/gsm_subscriber_base.c
@@ -115,11 +115,10 @@
 {
 	struct gsm_subscriber *s;
 
-	s = talloc(tall_subscr_ctx, struct gsm_subscriber);
+	s = talloc_zero(tall_subscr_ctx, struct gsm_subscriber);
 	if (!s)
 		return NULL;
 
-	memset(s, 0, sizeof(*s));
 	llist_add_tail(&s->entry, &active_subscribers);
 	s->use_count = 1;
 	s->tmsi = GSM_RESERVED_TMSI;
diff --git a/openbsc/src/input/ipaccess.c b/openbsc/src/input/ipaccess.c
index 8501864..3882ea6 100644
--- a/openbsc/src/input/ipaccess.c
+++ b/openbsc/src/input/ipaccess.c
@@ -494,12 +494,11 @@
 	}
 	DEBUGP(DINP, "accept()ed new OML link from %s\n", inet_ntoa(sa.sin_addr));
 
-	line = talloc(tall_bsc_ctx, struct e1inp_line);
+	line = talloc_zero(tall_bsc_ctx, struct e1inp_line);
 	if (!line) {
 		close(ret);
 		return -ENOMEM;
 	}
-	memset(line, 0, sizeof(*line));
 	line->driver = &ipaccess_driver;
 	//line->driver_data = e1h;
 	/* create virrtual E1 timeslots for signalling */
@@ -538,10 +537,9 @@
 	if (!(what & BSC_FD_READ))
 		return 0;
 
-	bfd = talloc(tall_bsc_ctx, struct bsc_fd);
+	bfd = talloc_zero(tall_bsc_ctx, struct bsc_fd);
 	if (!bfd)
 		return -ENOMEM;
-	memset(bfd, 0, sizeof(*bfd));
 
 	/* Some BTS has connected to us, but we don't know yet which line
 	 * (as created by the OML link) to associate it with.  Thus, we
@@ -652,10 +650,9 @@
 	if (ret)
 		return ret;
 
-	e1h = talloc(tall_bsc_ctx, struct ia_e1_handle);
+	e1h = talloc_zero(tall_bsc_ctx, struct ia_e1_handle);
 	if (!e1h)
 		return -ENOMEM;
-	memset(e1h, 0, sizeof(*e1h));
 
 	e1h->gsmnet = gsmnet;