1 files changed, 2 insertions, 9 deletions
diff --git a/src/mame/machine/nmk004.h b/src/mame/machine/nmk004.h
index a7905a3dbfb..d951a976777 100644
--- a/src/mame/machine/nmk004.h
+++ b/src/mame/machine/nmk004.h
@@ -13,20 +13,13 @@
 
 #pragma once
 
-
-#define MCFG_NMK004_ADD(tag, clock) \
-	MCFG_DEVICE_ADD(tag, NMK004, clock)
-
-#define MCFG_NMK004_RESET_CB(cb) \
-	downcast<nmk004_device &>(*device).set_reset_cb(DEVCB_##cb);
-
 class nmk004_device : public device_t
 {
 public:
-	template <typename Obj> devcb_base &set_reset_cb(Obj &&object) { return m_reset_cb.set_callback(std::forward<Obj>(object)); }
-
 	nmk004_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
 
+	auto reset_cb() { return m_reset_cb.bind(); }
+
 	// host interface
 	DECLARE_WRITE8_MEMBER( write );
 	DECLARE_READ8_MEMBER( read );