diff --git a/daemon/aux.h b/daemon/aux.h
index d7b4a55..90e3be4 100644
--- a/daemon/aux.h
+++ b/daemon/aux.h
@@ -21,9 +21,6 @@
 
 #define OFFSET_OF(t,e)		((unsigned int) (unsigned long) &(((t *) 0)->e))
 #define ZERO(x)			memset(&(x), 0, sizeof(x))
-#ifndef ARRAYSIZE
-#define ARRAYSIZE(a)		(sizeof(a) / sizeof(*(a)))
-#endif
 
 #define IPF			"%u.%u.%u.%u"
 #define IPP(x)			((unsigned char *) (&(x)))[0], ((unsigned char *) (&(x)))[1], ((unsigned char *) (&(x)))[2], ((unsigned char *) (&(x)))[3]
diff --git a/daemon/call.c b/daemon/call.c
index c166fa7..9024d18 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -1474,7 +1474,7 @@ void relays_cache_init(struct relays_cache *c) {
 }
 
 int relays_cache_want_ports(struct relays_cache *c, int portA, int portB, struct call *call) {
-	if (c->relays_open + 2 > ARRAYSIZE(c->relays_A))
+	if (c->relays_open + 2 > G_N_ELEMENTS(c->relays_A))
 		return -1;
 	if (get_consecutive_ports(&c->relays_A[c->relays_open], 2, portA, call))
 		return -1;
@@ -1489,7 +1489,7 @@ static int relays_cache_get_ports(struct relays_cache *c, int num, struct call *
 	if (c->relays_open >= num)
 		return 0;
 
-	if (c->relays_open + num > ARRAYSIZE(c->relays_A))
+	if (c->relays_open + num > G_N_ELEMENTS(c->relays_A))
 		return -1;
 	if (get_consecutive_ports(&c->relays_A[c->relays_open], num, 0, call))
 		return -1;
@@ -1517,12 +1517,12 @@ static void relays_cache_port_used(struct relays_cache *c) {
 void relays_cache_cleanup(struct relays_cache *c, struct callmaster *m) {
 	int i;
 
-	for (i = 0; i < ARRAYSIZE(c->relays_A); i++) {
+	for (i = 0; i < G_N_ELEMENTS(c->relays_A); i++) {
 		if (c->relays_A[i].fd == -1)
 			break;
 		release_port(&c->relays_A[i], m);
 	}
-	for (i = 0; i < ARRAYSIZE(c->relays_B); i++) {
+	for (i = 0; i < G_N_ELEMENTS(c->relays_B); i++) {
 		if (c->relays_B[i].fd == -1)
 			break;
 		release_port(&c->relays_B[i], m);
@@ -1880,7 +1880,7 @@ static csa_func __call_stream_address(struct peer *p, int variant) {
 	csa_func variants[2];
 
 	assert(variant >= 0);
-	assert(variant < ARRAYSIZE(variants));
+	assert(variant < G_N_ELEMENTS(variants));
 
 	m = p->up->call->callmaster;
 	other = p->other;
diff --git a/daemon/crypto.c b/daemon/crypto.c
index e3e5694..306fe12 100644
--- a/daemon/crypto.c
+++ b/daemon/crypto.c
@@ -103,7 +103,7 @@ const struct crypto_suite crypto_suites[] = {
 	},
 };
 
-const int num_crypto_suites = ARRAYSIZE(crypto_suites);
+const int num_crypto_suites = G_N_ELEMENTS(crypto_suites);
 
 
 
@@ -456,7 +456,7 @@ static int evp_session_key_cleanup(struct crypto_context *c) {
 	unsigned char block[16];
 	int len, i;
 
-	for (i = 0; i < ARRAYSIZE(c->session_key_ctx); i++) {
+	for (i = 0; i < G_N_ELEMENTS(c->session_key_ctx); i++) {
 		if (!c->session_key_ctx[i])
 			continue;
 
diff --git a/daemon/rtcp.c b/daemon/rtcp.c
index 921ee1f..b540a9c 100644
--- a/daemon/rtcp.c
+++ b/daemon/rtcp.c
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
+#include <glib.h>
 
 #include "str.h"
 #include "call.h"
@@ -246,7 +247,7 @@ static int rtcp_parse(GQueue *q, str *_s) {
 		if ((hdr->header.v_p_x & 0xc0) != 0x80) /* version 2 */
 			goto error;
 
-		if (hdr->header.pt >= ARRAYSIZE(handler_funcs))
+		if (hdr->header.pt >= G_N_ELEMENTS(handler_funcs))
 			goto error;
 		func = handler_funcs[hdr->header.pt];
 		if (!func)
diff --git a/daemon/stun.c b/daemon/stun.c
index 31942ed..54c32fe 100644
--- a/daemon/stun.c
+++ b/daemon/stun.c
@@ -5,6 +5,7 @@
 #include <sys/socket.h>
 #include <zlib.h>
 #include <openssl/hmac.h>
+#include <glib.h>
 
 #include "str.h"
 #include "aux.h"
@@ -352,7 +353,7 @@ static int check_auth(str *msg, struct stun_attrs *attrs, struct peer *peer) {
 	iov[2].iov_base = msg->s + OFFSET_OF(struct header, cookie);
 	iov[2].iov_len = ntohs(lenX) + - 24 + 20 - OFFSET_OF(struct header, cookie);
 
-	__integrity(iov, ARRAYSIZE(iov), &peer->ice_pwd, digest);
+	__integrity(iov, G_N_ELEMENTS(iov), &peer->ice_pwd, digest);
 
 	return memcmp(digest, attrs->msg_integrity.s, 20) ? -1 : 0;
 }