diff --git a/hw/core/nmi.c b/hw/core/nmi.c
index f616a7931280f396221d5072c4f87435ce8f28b3..bfd0896daf57b413e896c2065785031dce32fd35 100644
--- a/hw/core/nmi.c
+++ b/hw/core/nmi.c
@@ -20,16 +20,11 @@
  */
 
 #include "qemu/osdep.h"
-#include "qom/cpu.h"
 #include "hw/nmi.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qerror.h"
 #include "monitor/monitor.h"
 
-#if defined(TARGET_I386)
-#include "cpu.h"
-#endif
-
 struct do_nmi_s {
     int cpu_index;
     Error *err;
@@ -78,25 +73,6 @@ void nmi_monitor_handle(int cpu_index, Error **errp)
     }
 }
 
-void inject_nmi(void)
-{
-#if defined(TARGET_I386)
-    CPUState *cs;
-
-    CPU_FOREACH(cs) {
-        X86CPU *cpu = X86_CPU(cs);
-
-        if (!cpu->apic_state) {
-            cpu_interrupt(cs, CPU_INTERRUPT_NMI);
-        } else {
-            apic_deliver_nmi(cpu->apic_state);
-        }
-    }
-#else
-    nmi_monitor_handle(0, NULL);
-#endif
-}
-
 static const TypeInfo nmi_info = {
     .name          = TYPE_NMI,
     .parent        = TYPE_INTERFACE,
diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c
index bbf3646bae9e5947ffe32b722e23436f66da6c5d..2aeaf1fbc9eb3b3eb1d8f950cf62dd3007c1bbf6 100644
--- a/hw/watchdog/watchdog.c
+++ b/hw/watchdog/watchdog.c
@@ -143,7 +143,7 @@ void watchdog_perform_action(void)
     case WDT_NMI:
         qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_INJECT_NMI,
                                  &error_abort);
-        inject_nmi();
+        nmi_monitor_handle(0, NULL);
         break;
     }
 }
diff --git a/include/hw/nmi.h b/include/hw/nmi.h
index f4cec6257ded7456ede2ba6cbd5dd1c51f8f14be..b541772e1d940fe7ee62e30e80d76b7a640067a9 100644
--- a/include/hw/nmi.h
+++ b/include/hw/nmi.h
@@ -45,6 +45,5 @@ typedef struct NMIClass {
 } NMIClass;
 
 void nmi_monitor_handle(int cpu_index, Error **errp);
-void inject_nmi(void);
 
 #endif /* NMI_H */