diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 372b05774e..f25f837441 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -76,8 +76,6 @@
 #define MICROVM_MACHINE_ISA_SERIAL          "isa-serial"
 #define MICROVM_MACHINE_OPTION_ROMS         "x-option-roms"
 #define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline"
-#define MICROVM_MACHINE_OEM_ID              "oem-id"
-#define MICROVM_MACHINE_OEM_TABLE_ID        "oem-table-id"
 
 struct MicrovmMachineClass {
     X86MachineClass parent;
@@ -106,8 +104,6 @@ struct MicrovmMachineState {
     Notifier machine_done;
     Notifier powerdown_req;
     struct GPEXConfig gpex;
-    char *oem_id;
-    char *oem_table_id;
 };
 
 #define TYPE_MICROVM_MACHINE   MACHINE_TYPE_NAME("microvm")
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index d4c3d73c11..dcf060b791 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -46,8 +46,6 @@ typedef struct PCMachineState {
     bool pit_enabled;
     bool hpet_enabled;
     uint64_t max_fw_size;
-    char *oem_id;
-    char *oem_table_id;
 
     /* NUMA information: */
     uint64_t numa_nodes;
@@ -65,8 +63,6 @@ typedef struct PCMachineState {
 #define PC_MACHINE_SATA             "sata"
 #define PC_MACHINE_PIT              "pit"
 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
-#define PC_MACHINE_OEM_ID           "oem-id"
-#define PC_MACHINE_OEM_TABLE_ID     "oem-table-id"
 /**
  * PCMachineClass:
  *
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 56080bd1fb..26c9cc45a4 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -67,6 +67,8 @@ struct X86MachineState {
     OnOffAuto smm;
     OnOffAuto acpi;
 
+    char *oem_id;
+    char *oem_table_id;
     /*
      * Address space used by IOAPIC device. All IOAPIC interrupts
      * will be translated to MSI messages in the address space.
@@ -76,6 +78,8 @@ struct X86MachineState {
 
 #define X86_MACHINE_SMM              "smm"
 #define X86_MACHINE_ACPI             "acpi"
+#define X86_MACHINE_OEM_ID           "oem-id"
+#define X86_MACHINE_OEM_TABLE_ID     "oem-table-id"
 
 #define TYPE_X86_MACHINE   MACHINE_TYPE_NAME("x86")
 OBJECT_DECLARE_TYPE(X86MachineState, X86MachineClass, X86_MACHINE)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 3aeae15e57..de98750aef 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1807,7 +1807,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-                 "DSDT", dsdt->buf->len, 1, pcms->oem_id, pcms->oem_table_id);
+                 "DSDT", dsdt->buf->len, 1, x86ms->oem_id, x86ms->oem_table_id);
     free_aml_allocator();
 }
 
@@ -1984,8 +1984,8 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
     build_header(linker, table_data,
                  (void *)(table_data->data + srat_start),
                  "SRAT",
-                 table_data->len - srat_start, 1, pcms->oem_id,
-                 pcms->oem_table_id);
+                 table_data->len - srat_start, 1, x86ms->oem_id,
+                 x86ms->oem_table_id);
 }
 
 /*
@@ -2338,13 +2338,13 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
     if (slic_oem.id) {
         oem_id = slic_oem.id;
     } else {
-        oem_id = pcms->oem_id;
+        oem_id = x86ms->oem_id;
     }
 
     if (slic_oem.table_id) {
         oem_table_id = slic_oem.table_id;
     } else {
-        oem_table_id = pcms->oem_table_id;
+        oem_table_id = x86ms->oem_table_id;
     }
 
     table_offsets = g_array_new(false, true /* clear */,
@@ -2385,30 +2385,30 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
 
     acpi_add_table(table_offsets, tables_blob);
     acpi_build_madt(tables_blob, tables->linker, x86ms,
-                    ACPI_DEVICE_IF(x86ms->acpi_dev), pcms->oem_id,
-                    pcms->oem_table_id);
+                    ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
+                    x86ms->oem_table_id);
 
     vmgenid_dev = find_vmgenid_dev();
     if (vmgenid_dev) {
         acpi_add_table(table_offsets, tables_blob);
         vmgenid_build_acpi(VMGENID(vmgenid_dev), tables_blob,
-                           tables->vmgenid, tables->linker, pcms->oem_id);
+                           tables->vmgenid, tables->linker, x86ms->oem_id);
     }
 
     if (misc.has_hpet) {
         acpi_add_table(table_offsets, tables_blob);
-        build_hpet(tables_blob, tables->linker, pcms->oem_id,
-                   pcms->oem_table_id);
+        build_hpet(tables_blob, tables->linker, x86ms->oem_id,
+                   x86ms->oem_table_id);
     }
     if (misc.tpm_version != TPM_VERSION_UNSPEC) {
         if (misc.tpm_version == TPM_VERSION_1_2) {
             acpi_add_table(table_offsets, tables_blob);
             build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog,
-                           pcms->oem_id, pcms->oem_table_id);
+                           x86ms->oem_id, x86ms->oem_table_id);
         } else { /* TPM_VERSION_2_0 */
             acpi_add_table(table_offsets, tables_blob);
             build_tpm2(tables_blob, tables->linker, tables->tcpalog,
-                       pcms->oem_id, pcms->oem_table_id);
+                       x86ms->oem_id, x86ms->oem_table_id);
         }
     }
     if (pcms->numa_nodes) {
@@ -2416,40 +2416,40 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
         build_srat(tables_blob, tables->linker, machine);
         if (machine->numa_state->have_numa_distance) {
             acpi_add_table(table_offsets, tables_blob);
-            build_slit(tables_blob, tables->linker, machine, pcms->oem_id,
-                       pcms->oem_table_id);
+            build_slit(tables_blob, tables->linker, machine, x86ms->oem_id,
+                       x86ms->oem_table_id);
         }
         if (machine->numa_state->hmat_enabled) {
             acpi_add_table(table_offsets, tables_blob);
             build_hmat(tables_blob, tables->linker, machine->numa_state,
-                       pcms->oem_id, pcms->oem_table_id);
+                       x86ms->oem_id, x86ms->oem_table_id);
         }
     }
     if (acpi_get_mcfg(&mcfg)) {
         acpi_add_table(table_offsets, tables_blob);
-        build_mcfg(tables_blob, tables->linker, &mcfg, pcms->oem_id,
-                   pcms->oem_table_id);
+        build_mcfg(tables_blob, tables->linker, &mcfg, x86ms->oem_id,
+                   x86ms->oem_table_id);
     }
     if (x86_iommu_get_default()) {
         IommuType IOMMUType = x86_iommu_get_type();
         if (IOMMUType == TYPE_AMD) {
             acpi_add_table(table_offsets, tables_blob);
-            build_amd_iommu(tables_blob, tables->linker, pcms->oem_id,
-                            pcms->oem_table_id);
+            build_amd_iommu(tables_blob, tables->linker, x86ms->oem_id,
+                            x86ms->oem_table_id);
         } else if (IOMMUType == TYPE_INTEL) {
             acpi_add_table(table_offsets, tables_blob);
-            build_dmar_q35(tables_blob, tables->linker, pcms->oem_id,
-                           pcms->oem_table_id);
+            build_dmar_q35(tables_blob, tables->linker, x86ms->oem_id,
+                           x86ms->oem_table_id);
         }
     }
     if (machine->nvdimms_state->is_enabled) {
         nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
                           machine->nvdimms_state, machine->ram_slots,
-                          pcms->oem_id, pcms->oem_table_id);
+                          x86ms->oem_id, x86ms->oem_table_id);
     }
 
     acpi_add_table(table_offsets, tables_blob);
-    build_waet(tables_blob, tables->linker, pcms->oem_id, pcms->oem_table_id);
+    build_waet(tables_blob, tables->linker, x86ms->oem_id, x86ms->oem_table_id);
 
     /* Add tables supplied by user (if any) */
     for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
@@ -2468,7 +2468,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
     {
         AcpiRsdpData rsdp_data = {
             .revision = 0,
-            .oem_id = pcms->oem_id,
+            .oem_id = x86ms->oem_id,
             .xsdt_tbl_offset = NULL,
             .rsdt_tbl_offset = &rsdt,
         };
diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c
index 271710eb92..ccd3303aac 100644
--- a/hw/i386/acpi-microvm.c
+++ b/hw/i386/acpi-microvm.c
@@ -149,7 +149,7 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker,
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-                 "DSDT", dsdt->buf->len, 2, mms->oem_id, mms->oem_table_id);
+                 "DSDT", dsdt->buf->len, 2, x86ms->oem_id, x86ms->oem_table_id);
     free_aml_allocator();
 }
 
@@ -201,24 +201,24 @@ static void acpi_build_microvm(AcpiBuildTables *tables,
     pmfadt.dsdt_tbl_offset = &dsdt;
     pmfadt.xdsdt_tbl_offset = &dsdt;
     acpi_add_table(table_offsets, tables_blob);
-    build_fadt(tables_blob, tables->linker, &pmfadt, mms->oem_id,
-               mms->oem_table_id);
+    build_fadt(tables_blob, tables->linker, &pmfadt, x86ms->oem_id,
+               x86ms->oem_table_id);
 
     acpi_add_table(table_offsets, tables_blob);
     acpi_build_madt(tables_blob, tables->linker, X86_MACHINE(machine),
-                    ACPI_DEVICE_IF(x86ms->acpi_dev), mms->oem_id,
-                    mms->oem_table_id);
+                    ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
+                    x86ms->oem_table_id);
 
     xsdt = tables_blob->len;
-    build_xsdt(tables_blob, tables->linker, table_offsets, mms->oem_id,
-               mms->oem_table_id);
+    build_xsdt(tables_blob, tables->linker, table_offsets, x86ms->oem_id,
+               x86ms->oem_table_id);
 
     /* RSDP is in FSEG memory, so allocate it separately */
     {
         AcpiRsdpData rsdp_data = {
             /* ACPI 2.0: 5.2.4.3 RSDP Structure */
             .revision = 2, /* xsdt needs v2 */
-            .oem_id = mms->oem_id,
+            .oem_id = x86ms->oem_id,
             .xsdt_tbl_offset = &xsdt,
             .rsdt_tbl_offset = NULL,
         };
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 4e0cf4c522..edf2b0f061 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -648,51 +648,6 @@ static void microvm_powerdown_req(Notifier *notifier, void *data)
     }
 }
 
-static char *microvm_machine_get_oem_id(Object *obj, Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-
-    return g_strdup(mms->oem_id);
-}
-
-static void microvm_machine_set_oem_id(Object *obj, const char *value,
-                                       Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 6) {
-        error_setg(errp,
-          "User specified "MICROVM_MACHINE_OEM_ID" value is bigger than "
-          "6 bytes in size");
-        return;
-    }
-
-    strncpy(mms->oem_id, value, 6);
-}
-
-static char *microvm_machine_get_oem_table_id(Object *obj, Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-
-    return g_strdup(mms->oem_table_id);
-}
-
-static void microvm_machine_set_oem_table_id(Object *obj, const char *value,
-                                             Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 8) {
-        error_setg(errp,
-          "User specified "MICROVM_MACHINE_OEM_TABLE_ID" value is bigger than "
-          "8 bytes in size");
-        return;
-    }
-    strncpy(mms->oem_table_id, value, 8);
-}
-
 static void microvm_machine_initfn(Object *obj)
 {
     MicrovmMachineState *mms = MICROVM_MACHINE(obj);
@@ -714,9 +669,6 @@ static void microvm_machine_initfn(Object *obj)
     qemu_add_machine_init_done_notifier(&mms->machine_done);
     mms->powerdown_req.notify = microvm_powerdown_req;
     qemu_register_powerdown_notifier(&mms->powerdown_req);
-
-    mms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
-    mms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
 }
 
 static void microvm_class_init(ObjectClass *oc, void *data)
@@ -805,24 +757,6 @@ static void microvm_class_init(ObjectClass *oc, void *data)
         MICROVM_MACHINE_AUTO_KERNEL_CMDLINE,
         "Set off to disable adding virtio-mmio devices to the kernel cmdline");
 
-    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_ID,
-                                  microvm_machine_get_oem_id,
-                                  microvm_machine_set_oem_id);
-    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_ID,
-                                          "Override the default value of field OEMID "
-                                          "in ACPI table header."
-                                          "The string may be up to 6 bytes in size");
-
-
-    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_TABLE_ID,
-                                  microvm_machine_get_oem_table_id,
-                                  microvm_machine_set_oem_table_id);
-    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_TABLE_ID,
-                                          "Override the default value of field OEM Table ID "
-                                          "in ACPI table header."
-                                          "The string may be up to 8 bytes in size");
-
-
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
 }
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 35e1770950..8a84b25a03 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1608,49 +1608,6 @@ static void pc_machine_set_max_fw_size(Object *obj, Visitor *v,
     pcms->max_fw_size = value;
 }
 
-static char *pc_machine_get_oem_id(Object *obj, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-
-    return g_strdup(pcms->oem_id);
-}
-
-static void pc_machine_set_oem_id(Object *obj, const char *value, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 6) {
-        error_setg(errp,
-          "User specified "PC_MACHINE_OEM_ID" value is bigger than "
-          "6 bytes in size");
-        return;
-    }
-
-    strncpy(pcms->oem_id, value, 6);
-}
-
-static char *pc_machine_get_oem_table_id(Object *obj, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-
-    return g_strdup(pcms->oem_table_id);
-}
-
-static void pc_machine_set_oem_table_id(Object *obj, const char *value,
-                                        Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 8) {
-        error_setg(errp,
-          "User specified "PC_MACHINE_OEM_TABLE_ID" value is bigger than "
-          "8 bytes in size");
-        return;
-    }
-    strncpy(pcms->oem_table_id, value, 8);
-}
 
 static void pc_machine_initfn(Object *obj)
 {
@@ -1664,8 +1621,6 @@ static void pc_machine_initfn(Object *obj)
     pcms->max_ram_below_4g = 0; /* use default */
     /* acpi build is enabled by default if machine supports it */
     pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build;
-    pcms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
-    pcms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
     pcms->smbus_enabled = true;
     pcms->sata_enabled = true;
     pcms->pit_enabled = true;
@@ -1802,24 +1757,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
         NULL, NULL);
     object_class_property_set_description(oc, PC_MACHINE_MAX_FW_SIZE,
         "Maximum combined firmware size");
-
-    object_class_property_add_str(oc, PC_MACHINE_OEM_ID,
-                                  pc_machine_get_oem_id,
-                                  pc_machine_set_oem_id);
-    object_class_property_set_description(oc, PC_MACHINE_OEM_ID,
-                                          "Override the default value of field OEMID "
-                                          "in ACPI table header."
-                                          "The string may be up to 6 bytes in size");
-
-
-    object_class_property_add_str(oc, PC_MACHINE_OEM_TABLE_ID,
-                                  pc_machine_get_oem_table_id,
-                                  pc_machine_set_oem_table_id);
-    object_class_property_set_description(oc, PC_MACHINE_OEM_TABLE_ID,
-                                          "Override the default value of field OEM Table ID "
-                                          "in ACPI table header."
-                                          "The string may be up to 8 bytes in size");
-
 }
 
 static const TypeInfo pc_machine_info = {
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 7865660e2c..ed796fe6ba 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -1201,6 +1201,51 @@ static void x86_machine_set_acpi(Object *obj, Visitor *v, const char *name,
     visit_type_OnOffAuto(v, name, &x86ms->acpi, errp);
 }
 
+static char *x86_machine_get_oem_id(Object *obj, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+
+    return g_strdup(x86ms->oem_id);
+}
+
+static void x86_machine_set_oem_id(Object *obj, const char *value, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 6) {
+        error_setg(errp,
+                   "User specified "X86_MACHINE_OEM_ID" value is bigger than "
+                   "6 bytes in size");
+        return;
+    }
+
+    strncpy(x86ms->oem_id, value, 6);
+}
+
+static char *x86_machine_get_oem_table_id(Object *obj, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+
+    return g_strdup(x86ms->oem_table_id);
+}
+
+static void x86_machine_set_oem_table_id(Object *obj, const char *value,
+                                         Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 8) {
+        error_setg(errp,
+                   "User specified "X86_MACHINE_OEM_TABLE_ID
+                   " value is bigger than "
+                   "8 bytes in size");
+        return;
+    }
+    strncpy(x86ms->oem_table_id, value, 8);
+}
+
 static void x86_machine_initfn(Object *obj)
 {
     X86MachineState *x86ms = X86_MACHINE(obj);
@@ -1209,6 +1254,8 @@ static void x86_machine_initfn(Object *obj)
     x86ms->acpi = ON_OFF_AUTO_AUTO;
     x86ms->smp_dies = 1;
     x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
+    x86ms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
+    x86ms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
 }
 
 static void x86_machine_class_init(ObjectClass *oc, void *data)
@@ -1235,6 +1282,23 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
         NULL, NULL);
     object_class_property_set_description(oc, X86_MACHINE_ACPI,
         "Enable ACPI");
+
+    object_class_property_add_str(oc, X86_MACHINE_OEM_ID,
+                                  x86_machine_get_oem_id,
+                                  x86_machine_set_oem_id);
+    object_class_property_set_description(oc, X86_MACHINE_OEM_ID,
+                                          "Override the default value of field OEMID "
+                                          "in ACPI table header."
+                                          "The string may be up to 6 bytes in size");
+
+
+    object_class_property_add_str(oc, X86_MACHINE_OEM_TABLE_ID,
+                                  x86_machine_get_oem_table_id,
+                                  x86_machine_set_oem_table_id);
+    object_class_property_set_description(oc, X86_MACHINE_OEM_TABLE_ID,
+                                          "Override the default value of field OEM Table ID "
+                                          "in ACPI table header."
+                                          "The string may be up to 8 bytes in size");
 }
 
 static const TypeInfo x86_machine_info = {
