diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 83081defde..54a19d2db8 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4285,7 +4285,7 @@ static void spapr_machine_2_7_class_options(MachineClass *mc)
         {
             .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
             .property = "mem_win_size",
-            .value    = stringify(SPAPR_PCI_2_7_MMIO_WIN_SIZE),
+            .value    = "0xf80000000",
         },
         {
             .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index 4eb3a2ce3e..a5a7bf4837 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -101,7 +101,6 @@ struct sPAPRPHBState {
 #define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
                         SPAPR_PCI_MEM64_WIN_SIZE - 1)
 
-#define SPAPR_PCI_2_7_MMIO_WIN_SIZE  0xf80000000
 #define SPAPR_PCI_IO_WIN_SIZE        0x10000
 
 #define SPAPR_PCI_MSI_WINDOW         0x40000000000ULL