diff --git a/hw/core/machine.c b/hw/core/machine.c
index cfa9a5d95f..84a4c8cdc3 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -309,6 +309,39 @@ const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
 GlobalProperty hw_compat_2_2[] = {};
 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
 
+GlobalProperty hw_compat_2_1[] = {
+    {
+        .driver   = "intel-hda",
+        .property = "old_msi_addr",
+        .value    = "on",
+    },{
+        .driver   = "VGA",
+        .property = "qemu-extended-regs",
+        .value    = "off",
+    },{
+        .driver   = "secondary-vga",
+        .property = "qemu-extended-regs",
+        .value    = "off",
+    },{
+        .driver   = "virtio-scsi-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "usb-mouse",
+        .property = "usb_version",
+        .value    = stringify(1),
+    },{
+        .driver   = "usb-kbd",
+        .property = "usb_version",
+        .value    = stringify(1),
+    },{
+        .driver   = "virtio-pci",
+        .property = "virtio-pci-bus-master-bug-migration",
+        .value    = "on",
+    },
+};
+const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
+
 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 b92d1900da..731d2010c8 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -536,6 +536,21 @@ GlobalProperty pc_compat_2_2[] = {
 };
 const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2);
 
+GlobalProperty pc_compat_2_1[] = {
+    PC_CPU_MODEL_IDS("2.1.0")
+    {
+        .driver = "coreduo" "-" TYPE_X86_CPU,
+        .property = "vmx",
+        .value = "on",
+    },
+    {
+        .driver = "core2duo" "-" TYPE_X86_CPU,
+        .property = "vmx",
+        .value = "on",
+    },
+};
+const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1);
+
 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 d2a2bacba4..7b48b1c816 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -323,7 +323,7 @@ static void pc_compat_2_2_fn(MachineState *machine)
     pc_compat_2_3_fn(machine);
 }
 
-static void pc_compat_2_1(MachineState *machine)
+static void pc_compat_2_1_fn(MachineState *machine)
 {
     pc_compat_2_2_fn(machine);
     x86_cpu_change_kvm_default("svm", NULL);
@@ -331,7 +331,7 @@ static void pc_compat_2_1(MachineState *machine)
 
 static void pc_compat_2_0(MachineState *machine)
 {
-    pc_compat_2_1(machine);
+    pc_compat_2_1_fn(machine);
 }
 
 static void pc_compat_1_7(MachineState *machine)
@@ -593,19 +593,17 @@ DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn,
 static void pc_i440fx_2_1_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
-    static GlobalProperty compat[] = {
-        PC_COMPAT_2_1
-    };
 
     pc_i440fx_2_2_machine_options(m);
     m->hw_version = "2.1.0";
     m->default_display = NULL;
-    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len);
+    compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len);
     pcmc->smbios_uuid_encoded = false;
     pcmc->enforce_aligned_dimm = false;
 }
 
-DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
+DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn,
                       pc_i440fx_2_1_machine_options);
 
 static void pc_i440fx_2_0_machine_options(MachineClass *m)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 449c5dd58d..8aba66a32f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4361,12 +4361,8 @@ DEFINE_SPAPR_MACHINE(2_2, "2.2", false);
 
 static void spapr_machine_2_1_class_options(MachineClass *mc)
 {
-    static GlobalProperty compat[] = {
-        HW_COMPAT_2_1
-    };
-
     spapr_machine_2_2_class_options(mc);
-    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+    compat_props_add(mc->compat_props, hw_compat_2_1, hw_compat_2_1_len);
 }
 DEFINE_SPAPR_MACHINE(2_1, "2.1", false);
 
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 2d82d80107..02f114085f 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -327,4 +327,7 @@ extern const size_t hw_compat_2_3_len;
 extern GlobalProperty hw_compat_2_2[];
 extern const size_t hw_compat_2_2_len;
 
+extern GlobalProperty hw_compat_2_1[];
+extern const size_t hw_compat_2_1_len;
+
 #endif
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 3bd91908e4..b2d0bdd599 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -1,35 +1,4 @@
 #ifndef HW_COMPAT_H
 #define HW_COMPAT_H
 
-#define HW_COMPAT_2_1 \
-    {\
-        .driver   = "intel-hda",\
-        .property = "old_msi_addr",\
-        .value    = "on",\
-    },{\
-        .driver   = "VGA",\
-        .property = "qemu-extended-regs",\
-        .value    = "off",\
-    },{\
-        .driver   = "secondary-vga",\
-        .property = "qemu-extended-regs",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-scsi-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "usb-mouse",\
-        .property = "usb_version",\
-        .value    = stringify(1),\
-    },{\
-        .driver   = "usb-kbd",\
-        .property = "usb_version",\
-        .value    = stringify(1),\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "virtio-pci-bus-master-bug-migration",\
-        .value    = "on",\
-    },
-
 #endif /* HW_COMPAT_H */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 49b45bb79d..784ea7a92c 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -333,6 +333,9 @@ extern const size_t pc_compat_2_3_len;
 extern GlobalProperty pc_compat_2_2[];
 extern const size_t pc_compat_2_2_len;
 
+extern GlobalProperty pc_compat_2_1[];
+extern const size_t pc_compat_2_1_len;
+
 /* Helper for setting model-id for CPU models that changed model-id
  * depending on QEMU versions up to QEMU 2.4.
  */
@@ -353,20 +356,6 @@ extern const size_t pc_compat_2_2_len;
         .value    = "QEMU Virtual CPU version " v,\
     },
 
-#define PC_COMPAT_2_1 \
-    HW_COMPAT_2_1 \
-    PC_CPU_MODEL_IDS("2.1.0") \
-    {\
-        .driver = "coreduo" "-" TYPE_X86_CPU,\
-        .property = "vmx",\
-        .value = "on",\
-    },\
-    {\
-        .driver = "core2duo" "-" TYPE_X86_CPU,\
-        .property = "vmx",\
-        .value = "on",\
-    },
-
 #define PC_COMPAT_2_0 \
     PC_CPU_MODEL_IDS("2.0.0") \
     {\