diff --git a/libfwupdplugin/fu-udev-device.c b/libfwupdplugin/fu-udev-device.c
index 255783302..39fdb5d7a 100644
--- a/libfwupdplugin/fu-udev-device.c
+++ b/libfwupdplugin/fu-udev-device.c
@@ -1010,7 +1010,6 @@ fu_udev_device_pread_full (FuUdevDevice *self, goffset port,
 	FuUdevDevicePrivate *priv = GET_PRIVATE (self);
 
 	g_return_val_if_fail (FU_IS_UDEV_DEVICE (self), FALSE);
-	g_return_val_if_fail (port != 0x0, FALSE);
 	g_return_val_if_fail (buf != NULL, FALSE);
 	g_return_val_if_fail (priv->fd > 0, FALSE);
 
@@ -1056,7 +1055,6 @@ fu_udev_device_pwrite_full (FuUdevDevice *self, goffset port,
 	FuUdevDevicePrivate *priv = GET_PRIVATE (self);
 
 	g_return_val_if_fail (FU_IS_UDEV_DEVICE (self), FALSE);
-	g_return_val_if_fail (port != 0x0, FALSE);
 	g_return_val_if_fail (priv->fd > 0, FALSE);
 
 #ifdef HAVE_PWRITE