diff --git a/src/mame/drivers/gladiatr.cpp b/src/mame/drivers/gladiatr.cpp
index 53842b4041..82f7d27966 100644
--- a/src/mame/drivers/gladiatr.cpp
+++ b/src/mame/drivers/gladiatr.cpp
@@ -440,8 +440,6 @@ inline void ppking_state::mcu_input_check()
 	}
 }
 
-/**/
-
 READ8_MEMBER(ppking_state::ppking_qx0_r)
 {
 	// status 
@@ -536,21 +534,14 @@ WRITE8_MEMBER(ppking_state::ppking_qx0_w)
 				*/
 				m_mcu[0].rxd = 0x40;
 				m_mcu[0].rst = 0;
-				//m_mcu[0].state = 0;
 				break;
 			case 2:
-				// TODO: DSW2 reads here
-				m_mcu[0].rxd = 0;
 				m_mcu[0].rxd = ((ioport("DSW2")->read() & 0x1f) << 2);
 				m_mcu[0].rst = 0;
-				//m_mcu[0].state = 0;
 				break;
 			case 3:
 				mcu_input_check();
-				//m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;
 				m_mcu[0].rst = 1;
-				//m_mcu[0].txd = 0;
-				//m_mcu[0].state = 0;
 				break;
 
 			default:
@@ -626,7 +617,6 @@ WRITE8_MEMBER(ppking_state::ppking_qxcomu_w)
 
 MACHINE_RESET_MEMBER(ppking_state, ppking)
 {	
-	m_nmi_enable = false;
 	// yes, it expects to read DSW1 without sending commands first ...
 	m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;;
 	m_mcu[0].rst = 0;
diff --git a/src/mame/includes/gladiatr.h b/src/mame/includes/gladiatr.h
index f3c72df06a..868255246e 100644
--- a/src/mame/includes/gladiatr.h
+++ b/src/mame/includes/gladiatr.h
@@ -188,8 +188,6 @@ public:
 private:
 	required_shared_ptr<uint8_t>    m_nvram;
 	required_device<generic_latch_8_device> m_soundlatch2;
-
-	bool m_nmi_enable;
 	
 	struct
 	{