The SpaprMachineClass::pre_4_1_migration field was only used by the
pseries-4.0 machine, which got removed. Remove it as now unused.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/ppc/spapr.h | 1 -
 hw/ppc/spapr_caps.c    | 6 ------
 2 files changed, 7 deletions(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 1db67784de8..4c1acd7af5e 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -143,7 +143,6 @@ struct SpaprMachineClass {
     MachineClass parent_class;
 
     /*< public >*/
-    bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
     bool linux_pci_probe;
     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
     hwaddr rma_limit;          /* clamp the RMA to this size */
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index 0f94c192fd4..f3620b1d9bd 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -336,11 +336,6 @@ static void cap_hpt_maxpagesize_apply(SpaprMachineState *spapr,
     spapr_check_pagesize(spapr, qemu_minrampagesize(), errp);
 }
 
-static bool cap_hpt_maxpagesize_migrate_needed(void *opaque)
-{
-    return !SPAPR_MACHINE_GET_CLASS(opaque)->pre_4_1_migration;
-}
-
 static bool spapr_pagesize_cb(void *opaque, uint32_t seg_pshift,
                               uint32_t pshift)
 {
@@ -793,7 +788,6 @@ SpaprCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
         .type = "int",
         .apply = cap_hpt_maxpagesize_apply,
         .cpu_apply = cap_hpt_maxpagesize_cpu_apply,
-        .migrate_needed = cap_hpt_maxpagesize_migrate_needed,
     },
     [SPAPR_CAP_NESTED_KVM_HV] = {
         .name = "nested-hv",
-- 
2.51.0