diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index a8fb3b3422..3d753222ca 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -86,7 +86,7 @@ enum {
     VFIO_INT_MSIX = 3,
 };
 
-/* Cache of MSI-X setup plus extra mmap and memory region for split BAR map */
+/* Cache of MSI-X setup */
 typedef struct VFIOMSIXInfo {
     uint8_t table_bar;
     uint8_t pba_bar;