diff --git a/src/adapter.c b/src/adapter.c
index b159d21..10432b7 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -7334,7 +7334,7 @@ static gboolean process_auth_queue(gpointer user_data)
 			goto next;
 		}
 
-		if (device_is_trusted(device) == TRUE) {
+		if (btd_device_is_trusted(device) == TRUE) {
 			auth->cb(NULL, auth->user_data);
 			goto next;
 		}
diff --git a/src/device.c b/src/device.c
index 7750037..60762ac 100644
--- a/src/device.c
+++ b/src/device.c
@@ -257,7 +257,7 @@ struct btd_device {
 
 	sdp_list_t	*tmp_records;
 
-	gboolean	trusted;
+	bool		trusted;
 	gboolean	blocked;
 	gboolean	auto_connect;
 	gboolean	disable_auto_connect;
@@ -826,7 +826,7 @@ bool device_is_bonded(struct btd_device *device, uint8_t bdaddr_type)
 	return state->bonded;
 }
 
-gboolean device_is_trusted(struct btd_device *device)
+bool btd_device_is_trusted(struct btd_device *device)
 {
 	return device->trusted;
 }
@@ -1163,7 +1163,7 @@ static gboolean dev_property_get_trusted(const GDBusPropertyTable *property,
 					DBusMessageIter *iter, void *data)
 {
 	struct btd_device *device = data;
-	gboolean val = device_is_trusted(device);
+	gboolean val = btd_device_is_trusted(device);
 
 	dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &val);
 
@@ -6031,7 +6031,7 @@ void device_bonding_complete(struct btd_device *device, uint8_t bdaddr_type,
 		 * treated as a newly discovered device.
 		 */
 		if (!device_is_paired(device, bdaddr_type) &&
-				!device_is_trusted(device))
+				!btd_device_is_trusted(device))
 			btd_device_set_temporary(device, true);
 
 		device_bonding_failed(device, status);
diff --git a/src/device.h b/src/device.h
index d7f8862..004d3a7 100644
--- a/src/device.h
+++ b/src/device.h
@@ -88,7 +88,7 @@ gboolean device_is_temporary(struct btd_device *device);
 bool device_is_connectable(struct btd_device *device);
 bool device_is_paired(struct btd_device *device, uint8_t bdaddr_type);
 bool device_is_bonded(struct btd_device *device, uint8_t bdaddr_type);
-gboolean device_is_trusted(struct btd_device *device);
+bool btd_device_is_trusted(struct btd_device *device);
 void device_set_paired(struct btd_device *dev, uint8_t bdaddr_type);
 void device_set_unpaired(struct btd_device *dev, uint8_t bdaddr_type);
 void btd_device_set_temporary(struct btd_device *device, bool temporary);
diff --git a/src/gatt-database.c b/src/gatt-database.c
index cf651b5..db8432c 100644
--- a/src/gatt-database.c
+++ b/src/gatt-database.c
@@ -2989,7 +2989,7 @@ static void desc_write_cb(struct gatt_db_attribute *attrib,
 	}
 
 	if (opcode == BT_ATT_OP_PREP_WRITE_REQ) {
-		if (!device_is_trusted(device) && !desc->prep_authorized &&
+		if (!btd_device_is_trusted(device) && !desc->prep_authorized &&
 						desc->req_prep_authorization)
 			send_write(att, attrib, desc->proxy,
 					desc->pending_writes, id, value, len,
@@ -3120,7 +3120,7 @@ static void chrc_write_cb(struct gatt_db_attribute *attrib,
 		queue = NULL;
 
 	if (opcode == BT_ATT_OP_PREP_WRITE_REQ) {
-		if (!device_is_trusted(device) && !chrc->prep_authorized &&
+		if (!btd_device_is_trusted(device) && !chrc->prep_authorized &&
 						chrc->req_prep_authorization)
 			send_write(att, attrib, chrc->proxy, queue,
 					id, value, len, offset,