diff --git a/qemu/include/hw/boards.h b/qemu/include/hw/boards.h
index cb204545..0d70f3fd 100644
--- a/qemu/include/hw/boards.h
+++ b/qemu/include/hw/boards.h
@@ -10,19 +10,6 @@
 #include "qom/cpu.h"
 #include "uc_priv.h"
 
-typedef int QEMUMachineInitFunc(struct uc_struct *uc, MachineState *ms);
-
-typedef void QEMUMachineResetFunc(void);
-
-struct QEMUMachine {
-    const char *name;
-    QEMUMachineInitFunc *init;
-    int max_cpus;
-    int is_default;
-    int arch;
-    int minimum_page_bits;
-};
-
 /**
  * memory_region_allocate_system_memory - Allocate a board's main memory
  * @mr: the #MemoryRegion to be initialized
@@ -55,9 +42,6 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
                                           const char *name,
                                           uint64_t ram_size);
 
-void qemu_register_machine(struct uc_struct *uc, QEMUMachine *m, const char *type_machine,
-        void (*init)(struct uc_struct *uc, ObjectClass *oc, void *data));
-
 #define TYPE_MACHINE_SUFFIX "-machine"
 
 /* Machine class name that needs to be used for class-name-based machine
@@ -78,7 +62,6 @@ MachineClass *find_default_machine(struct uc_struct *uc, int arch);
 
 /**
  * MachineClass:
- * @qemu_machine: #QEMUMachine
  * @minimum_page_bits:
  *    If non-zero, the board promises never to create a CPU with a page size
  *    smaller than this, so QEMU can use a more efficient larger page
diff --git a/qemu/include/qemu/typedefs.h b/qemu/include/qemu/typedefs.h
index 29cb662c..03e1b025 100644
--- a/qemu/include/qemu/typedefs.h
+++ b/qemu/include/qemu/typedefs.h
@@ -63,7 +63,6 @@ typedef struct Property Property;
 typedef struct PropertyInfo PropertyInfo;
 typedef struct QEMUBH QEMUBH;
 typedef struct QEMUFile QEMUFile;
-typedef struct QEMUMachine QEMUMachine;
 typedef struct QEMUSGList QEMUSGList;
 typedef struct QEMUSizedBuffer QEMUSizedBuffer;
 typedef struct QEMUTimer QEMUTimer;
diff --git a/qemu/vl.c b/qemu/vl.c
index 518efce8..6df81831 100644
--- a/qemu/vl.c
+++ b/qemu/vl.c
@@ -176,32 +176,3 @@ void qemu_system_shutdown_request(void)
 {
     //shutdown_requested = 1;
 }
-
-static void machine_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
-{
-    MachineClass *mc = MACHINE_CLASS(uc, oc);
-    QEMUMachine *qm = data;
-
-    mc->init = qm->init;
-    mc->max_cpus = qm->max_cpus;
-    mc->is_default = qm->is_default;
-    mc->arch = qm->arch;
-    mc->minimum_page_bits = qm->minimum_page_bits;
-}
-
-void qemu_register_machine(struct uc_struct *uc, QEMUMachine *m, const char *type_machine,
-        void (*init)(struct uc_struct *uc, ObjectClass *oc, void *data))
-{
-    char *name = g_strdup_printf(MACHINE_TYPE_NAME("%s"), m->name);
-    TypeInfo ti = {0};
-    ti.name       = name;
-    ti.parent     = type_machine;
-    ti.class_init = init;
-    ti.class_data = (void *)m;
-
-    if (init == NULL)
-        ti.class_init = machine_class_init;
-
-    type_register(uc, &ti);
-    g_free(name);
-}