diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 7ec5b86735f33d512a27086635ac15a221039101..4630eeae18e08df43be6567ca5fbcb2027643c65 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -65,7 +65,6 @@ static inline bool trigger_allbutself_cpu_backtrace(void)
 #endif
 
 #ifdef CONFIG_LOCKUP_DETECTOR
-int hw_nmi_is_cpu_stuck(struct pt_regs *);
 u64 hw_nmi_get_sample_period(int watchdog_thresh);
 extern int nmi_watchdog_enabled;
 extern int soft_watchdog_enabled;