diff --git a/src/adapter.c b/src/adapter.c
index 4f27b35..41f706a 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -811,7 +811,7 @@ static void adapter_update_devices(struct btd_adapter *adapter)
 		devices[i] = (char *) device_get_path(dev);
 	}
 
-	emit_array_property_changed(connection, adapter->path,
+	emit_array_property_changed(adapter->path,
 					ADAPTER_INTERFACE, "Devices",
 					DBUS_TYPE_OBJECT_PATH, &devices, i);
 	g_free(devices);
@@ -837,8 +837,9 @@ static void adapter_emit_uuids_updated(struct btd_adapter *adapter)
 			uuids[i++] = uuid;
 	}
 
-	emit_array_property_changed(connection, adapter->path,
-			ADAPTER_INTERFACE, "UUIDs", DBUS_TYPE_STRING, &uuids, i);
+	emit_array_property_changed(adapter->path,
+					ADAPTER_INTERFACE, "UUIDs",
+					DBUS_TYPE_STRING, &uuids, i);
 
 	g_strfreev(uuids);
 }
diff --git a/src/dbus-common.c b/src/dbus-common.c
index 21395d9..afd07de 100644
--- a/src/dbus-common.c
+++ b/src/dbus-common.c
@@ -143,8 +143,7 @@ dbus_bool_t emit_property_changed(const char *path,
 	return g_dbus_send_message(connection, signal);
 }
 
-dbus_bool_t emit_array_property_changed(DBusConnection *conn,
-					const char *path,
+dbus_bool_t emit_array_property_changed(const char *path,
 					const char *interface,
 					const char *name,
 					int type, void *value, int num)
@@ -166,7 +165,7 @@ dbus_bool_t emit_array_property_changed(DBusConnection *conn,
 
 	append_array_variant(&iter, type, value, num);
 
-	return g_dbus_send_message(conn, signal);
+	return g_dbus_send_message(connection, signal);
 }
 
 void set_dbus_connection(DBusConnection *conn)
diff --git a/src/dbus-common.h b/src/dbus-common.h
index ff130ff..823a292 100644
--- a/src/dbus-common.h
+++ b/src/dbus-common.h
@@ -34,8 +34,7 @@ dbus_bool_t emit_property_changed(const char *path,
 					const char *name,
 					int type, void *value);
 
-dbus_bool_t emit_array_property_changed(DBusConnection *conn,
-					const char *path,
+dbus_bool_t emit_array_property_changed(const char *path,
 					const char *interface,
 					const char *name,
 					int type, void *value, int num);
diff --git a/src/device.c b/src/device.c
index dd5dcc2..ac31a87 100644
--- a/src/device.c
+++ b/src/device.c
@@ -1375,7 +1375,6 @@ static void device_remove_profiles(struct btd_device *device, GSList *uuids)
 
 static void uuids_changed(struct btd_device *device)
 {
-	DBusConnection *conn = btd_get_dbus_connection();
 	char **uuids;
 	GSList *l;
 	int i;
@@ -1384,8 +1383,9 @@ static void uuids_changed(struct btd_device *device)
 	for (i = 0, l = device->uuids; l; l = l->next, i++)
 		uuids[i] = l->data;
 
-	emit_array_property_changed(conn, device->path, DEVICE_INTERFACE,
-					"UUIDs", DBUS_TYPE_STRING, &uuids, i);
+	emit_array_property_changed(device->path,
+					DEVICE_INTERFACE, "UUIDs",
+					DBUS_TYPE_STRING, &uuids, i);
 
 	g_free(uuids);
 }
diff --git a/src/manager.c b/src/manager.c
index 738bf0b..31feb84 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -217,8 +217,7 @@ static void manager_update_adapters(void)
 		i++;
 	}
 
-	emit_array_property_changed(connection, "/",
-					MANAGER_INTERFACE, "Adapters",
+	emit_array_property_changed("/", MANAGER_INTERFACE, "Adapters",
 					DBUS_TYPE_OBJECT_PATH, &array, i);
 
 	g_free(array);