diff --git a/include/hw/boards.h b/include/hw/boards.h
index dc8c748c62..6b94d36d6a 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -290,4 +290,7 @@ struct MachineState {
 extern GlobalProperty hw_compat_3_1[];
 extern const size_t hw_compat_3_1_len;
 
+extern GlobalProperty hw_compat_3_0[];
+extern const size_t hw_compat_3_0_len;
+
 #endif
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 6f4d5fc647..c08f4040bb 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -1,9 +1,6 @@
 #ifndef HW_COMPAT_H
 #define HW_COMPAT_H
 
-#define HW_COMPAT_3_0 \
-    /* empty */
-
 #define HW_COMPAT_2_12 \
     {\
         .driver   = "migration",\
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index dd1d6fd0f3..197131ff9a 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -297,21 +297,8 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 extern GlobalProperty pc_compat_3_1[];
 extern const size_t pc_compat_3_1_len;
 
-#define PC_COMPAT_3_0 \
-    HW_COMPAT_3_0 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "x-hv-synic-kvm-only",\
-        .value    = "on",\
-    },{\
-        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,\
-        .property = "pku",\
-        .value    = "off",\
-    },{\
-        .driver   = "Skylake-Server-IBRS" "-" TYPE_X86_CPU,\
-        .property = "pku",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_3_0[];
+extern const size_t pc_compat_3_0_len;
 
 #define PC_COMPAT_2_12 \
     HW_COMPAT_2_12 \
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index b1ecccfaab..d226e7922e 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1881,12 +1881,8 @@ DEFINE_VIRT_MACHINE(3, 1)
 
 static void virt_machine_3_0_options(MachineClass *mc)
 {
-    static GlobalProperty compat[] = {
-        HW_COMPAT_3_0
-    };
-
     virt_machine_3_1_options(mc);
-    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 }
 DEFINE_VIRT_MACHINE(3, 0)
 
diff --git a/hw/core/machine.c b/hw/core/machine.c
index bdeeda68e4..cd55366f2e 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -25,6 +25,9 @@
 GlobalProperty hw_compat_3_1[] = {};
 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
 
+GlobalProperty hw_compat_3_0[] = {};
+const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
+
 static char *machine_get_accel(Object *obj, Error **errp)
 {
     MachineState *ms = MACHINE(obj);
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 74d8a82f64..7b9271a7ff 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -112,6 +112,23 @@ struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
 GlobalProperty pc_compat_3_1[] = {};
 const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1);
 
+GlobalProperty pc_compat_3_0[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "x-hv-synic-kvm-only",
+        .value    = "on",
+    },{
+        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,
+        .property = "pku",
+        .value    = "off",
+    },{
+        .driver   = "Skylake-Server-IBRS" "-" TYPE_X86_CPU,
+        .property = "pku",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_3_0_len = G_N_ELEMENTS(pc_compat_3_0);
+
 void gsi_handler(void *opaque, int n, int level)
 {
     GSIState *s = opaque;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 5342019d83..c1a9a10911 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -452,12 +452,9 @@ DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL,
 
 static void pc_i440fx_3_0_machine_options(MachineClass *m)
 {
-    static GlobalProperty compat[] = {
-        PC_COMPAT_3_0
-    };
-
     pc_i440fx_3_1_machine_options(m);
-    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
+    compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
 }
 
 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL,
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 1eb1e82b25..231b1269d1 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -333,12 +333,9 @@ DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
 
 static void pc_q35_3_0_machine_options(MachineClass *m)
 {
-    static GlobalProperty compat[] = {
-        PC_COMPAT_3_0
-    };
-
     pc_q35_3_1_machine_options(m);
-    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
+    compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
 }
 
 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 038d1859a6..5c4c6be22f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3978,12 +3978,9 @@ DEFINE_SPAPR_MACHINE(3_1, "3.1", false);
 static void spapr_machine_3_0_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
-    static GlobalProperty compat[] = {
-        HW_COMPAT_3_0
-    };
 
     spapr_machine_3_1_class_options(mc);
-    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 
     smc->legacy_irq_allocation = true;
     smc->irq = &spapr_irq_xics_legacy;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 5e8b48e75b..e54e6f6dd0 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -680,13 +680,10 @@ static void ccw_machine_3_0_instance_options(MachineState *machine)
 static void ccw_machine_3_0_class_options(MachineClass *mc)
 {
     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
-    static GlobalProperty compat[] = {
-        HW_COMPAT_3_0
-    };
 
     s390mc->hpage_1m_allowed = false;
     ccw_machine_3_1_class_options(mc);
-    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 }
 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 
