diff --git a/src/emu/machine/s3c2410.h b/src/emu/machine/s3c2410.h
index 8609edac4f6..4f4ae3894bf 100644
--- a/src/emu/machine/s3c2410.h
+++ b/src/emu/machine/s3c2410.h
@@ -136,9 +136,6 @@ struct s3c2410_interface
 void s3c2410_uart_fifo_w( device_t *device, int uart, UINT8 data);
 void s3c2410_touch_screen( device_t *device, int state);
 void s3c2410_request_eint( device_t *device, UINT32 number);
-
-WRITE_LINE_DEVICE_HANDLER( s3c2410_pin_frnb_w );
-
 void s3c2410_nand_calculate_mecc( UINT8 *data, UINT32 size, UINT8 *mecc);
 
 /*******************************************************************************
diff --git a/src/mame/drivers/ghosteo.c b/src/mame/drivers/ghosteo.c
index d7d4c2251ad..80ac74a820a 100644
--- a/src/mame/drivers/ghosteo.c
+++ b/src/mame/drivers/ghosteo.c
@@ -273,7 +273,7 @@ WRITE8_MEMBER(ghosteo_state::s3c2410_nand_command_w )
 		case 0xFF :
 		{
 			nand.mode = NAND_M_INIT;
-			s3c2410_pin_frnb_w( m_s3c2410, 1);
+			 m_s3c2410->frnb_w(1);
 		}
 		break;
 		case 0x00 :
@@ -313,8 +313,8 @@ WRITE8_MEMBER(ghosteo_state::s3c2410_nand_address_w )
 			nand.addr_load_ptr++;
 			if ((nand.mode == NAND_M_READ) && (nand.addr_load_ptr == 4))
 			{
-				s3c2410_pin_frnb_w( m_s3c2410, 0);
-				s3c2410_pin_frnb_w( m_s3c2410, 1);
+				m_s3c2410->frnb_w(0);
+				m_s3c2410->frnb_w(1);
 			}
 		}
 		break;