diff --git a/include/arch/x86/arch.h b/include/arch/x86/arch.h
index 9eb139ca03e..4073552a58e 100644
--- a/include/arch/x86/arch.h
+++ b/include/arch/x86/arch.h
@@ -363,7 +363,6 @@ static inline __attribute__((always_inline)) void irq_unlock(unsigned int key)
 	_int_latency_stop();
 #endif
 	_do_irq_unlock();
-	return;
 }
 #endif /* CONFIG_NO_ISRS */