The hw_compat_3_1[] array was only used by the pc-q35-3.1
and pc-i440fx-3.1 machines, which got removed. Remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20260307152635.83893-9-philmd@linaro.org>
---
 include/hw/core/boards.h |  3 ---
 hw/core/machine.c        | 17 -----------------
 2 files changed, 20 deletions(-)

diff --git a/include/hw/core/boards.h b/include/hw/core/boards.h
index e15dbcea83b..9155e0cc9ed 100644
--- a/include/hw/core/boards.h
+++ b/include/hw/core/boards.h
@@ -867,7 +867,4 @@ extern const size_t hw_compat_4_1_len;
 extern GlobalProperty hw_compat_4_0[];
 extern const size_t hw_compat_4_0_len;
 
-extern GlobalProperty hw_compat_3_1[];
-extern const size_t hw_compat_3_1_len;
-
 #endif
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 162600425b0..9a3d826c3cb 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -221,23 +221,6 @@ GlobalProperty hw_compat_4_0[] = {
 };
 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
 
-GlobalProperty hw_compat_3_1[] = {
-    { "pcie-root-port", "x-speed", "2_5" },
-    { "pcie-root-port", "x-width", "1" },
-    { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
-    { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
-    { "tpm-crb", "ppi", "false" },
-    { "tpm-tis", "ppi", "false" },
-    { "usb-kbd", "serial", "42" },
-    { "usb-mouse", "serial", "42" },
-    { "usb-tablet", "serial", "42" },
-    { "virtio-blk-device", "discard", "false" },
-    { "virtio-blk-device", "write-zeroes", "false" },
-    { "virtio-balloon-device", "qemu-4-0-config-size", "false" },
-    { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
-};
-const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
-
 MachineState *current_machine;
 
 static char *machine_get_kernel(Object *obj, Error **errp)
-- 
2.53.0