diff --git a/ioport.c b/ioport.c
index 79b7f1ae38..89b17d69f4 100644
--- a/ioport.c
+++ b/ioport.c
@@ -183,7 +183,6 @@ static void portio_write(void *opaque, hwaddr addr, uint64_t data,
 static const MemoryRegionOps portio_ops = {
     .read = portio_read,
     .write = portio_write,
-    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid.unaligned = true,
     .impl.unaligned = true,
 };