diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index 4de2226..5621068 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -274,7 +274,6 @@ struct CPUMBState {
 
 MicroBlazeCPU *cpu_mb_init(const char *cpu_model);
 int cpu_mb_exec(CPUMBState *s);
-void cpu_mb_close(CPUMBState *s);
 void do_interrupt(CPUMBState *env);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero