diff --git a/src/mame/netronics/elf.cpp b/src/mame/netronics/elf.cpp
index 695463faa4a..a3601e66871 100644
--- a/src/mame/netronics/elf.cpp
+++ b/src/mame/netronics/elf.cpp
@@ -9,7 +9,8 @@
 /*
 
     TODO:
-
+    - problem with DMA: open MAME debugger to see RAM, set LOAD, input a value,
+      and it will write twice
     - proper layout
 
 */
@@ -154,11 +155,6 @@ int elf2_state::ef4_r()
 	return INPUT;
 }
 
-void elf2_state::q_w(int state)
-{
-	m_led = state ? 1 : 0;
-}
-
 uint8_t elf2_state::dma_r()
 {
 	return m_data;
@@ -204,8 +200,6 @@ void elf2_state::machine_start()
 {
 	address_space &program = m_maincpu->space(AS_PROGRAM);
 
-	m_led.resolve();
-
 	/* setup memory banking */
 	program.install_rom(0x0000, 0x00ff, m_ram->pointer());
 	program.install_write_handler(0x0000, 0x00ff, write8sm_delegate(*this, FUNC(elf2_state::memory_w)));
@@ -239,7 +233,7 @@ void elf2_state::elf2(machine_config &config)
 	m_maincpu->wait_cb().set(FUNC(elf2_state::wait_r)).invert();
 	m_maincpu->clear_cb().set(FUNC(elf2_state::clear_r));
 	m_maincpu->ef4_cb().set(FUNC(elf2_state::ef4_r));
-	m_maincpu->q_cb().set(FUNC(elf2_state::q_w));
+	m_maincpu->q_cb().set_output("led0");
 	m_maincpu->dma_rd_cb().set(FUNC(elf2_state::dma_r));
 	m_maincpu->dma_wr_cb().set(m_vdc, FUNC(cdp1861_device::dma_w));
 	m_maincpu->sc_cb().set(FUNC(elf2_state::sc_w));
@@ -249,7 +243,7 @@ void elf2_state::elf2(machine_config &config)
 
 	CDP1861(config, m_vdc, XTAL(3'579'545)/2).set_screen(SCREEN_TAG);
 	m_vdc->int_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_INT);
-	m_vdc->dma_out_cb().set_inputline(m_maincpu,  COSMAC_INPUT_LINE_DMAOUT);
+	m_vdc->dma_out_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_DMAOUT);
 	m_vdc->efx_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_EF1);
 	SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER);
 
diff --git a/src/mame/netronics/elf.h b/src/mame/netronics/elf.h
index 2f5194ca1ef..326da7a87e6 100644
--- a/src/mame/netronics/elf.h
+++ b/src/mame/netronics/elf.h
@@ -35,7 +35,6 @@ public:
 		, m_cassette(*this, "cassette")
 		, m_ram(*this, RAM_TAG)
 		, m_special(*this, "SPECIAL")
-		, m_led(*this, "led0")
 	{ }
 
 	void elf2(machine_config &config);
@@ -53,7 +52,6 @@ private:
 	int wait_r();
 	int clear_r();
 	int ef4_r();
-	void q_w(int state);
 	uint8_t dma_r();
 	void sc_w(uint8_t data);
 	void da_w(int state);
@@ -70,7 +68,6 @@ private:
 	required_device<cassette_image_device> m_cassette;
 	required_device<ram_device> m_ram;
 	required_ioport m_special;
-	output_finder<> m_led;
 
 	// display state
 	uint8_t m_data = 0;