diff --git a/board/gdsys/common/Makefile b/board/gdsys/common/Makefile
index 9090933..ff8d6f4 100644
--- a/board/gdsys/common/Makefile
+++ b/board/gdsys/common/Makefile
@@ -5,10 +5,6 @@
 
 obj-$(CONFIG_SYS_FPGA_COMMON) += fpga.o
 obj-$(CONFIG_CMD_IOLOOP) += cmd_ioloop.o
-obj-$(CONFIG_IO) += miiphybb.o
-obj-$(CONFIG_IO64) += miiphybb.o
-obj-$(CONFIG_IOCON) += osd.o mclink.o dp501.o phy.o ch7301.o
-obj-$(CONFIG_DLVISION_10G) += osd.o dp501.o
 obj-$(CONFIG_CONTROLCENTERD) += dp501.o
 obj-$(CONFIG_TARGET_HRCON) += osd.o mclink.o dp501.o phy.o ioep-fpga.o fanctrl.o
 obj-$(CONFIG_TARGET_STRIDER) += mclink.o dp501.o phy.o ioep-fpga.o adv7611.o ch7301.o
diff --git a/board/gdsys/common/miiphybb.c b/board/gdsys/common/miiphybb.c
deleted file mode 100644
index 042835d..0000000
--- a/board/gdsys/common/miiphybb.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2010
- * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
- */
-
-#include <common.h>
-#include <miiphy.h>
-
-#include <asm/io.h>
-
-struct io_bb_pinset {
-	int mdio;
-	int mdc;
-};
-
-static int io_bb_mii_init(struct bb_miiphy_bus *bus)
-{
-	return 0;
-}
-
-static int io_bb_mdio_active(struct bb_miiphy_bus *bus)
-{
-	struct io_bb_pinset *pins = bus->priv;
-
-	out_be32((void *)GPIO0_TCR,
-		in_be32((void *)GPIO0_TCR) | pins->mdio);
-
-	return 0;
-}
-
-static int io_bb_mdio_tristate(struct bb_miiphy_bus *bus)
-{
-	struct io_bb_pinset *pins = bus->priv;
-
-	out_be32((void *)GPIO0_TCR,
-		in_be32((void *)GPIO0_TCR) & ~pins->mdio);
-
-	return 0;
-}
-
-static int io_bb_set_mdio(struct bb_miiphy_bus *bus, int v)
-{
-	struct io_bb_pinset *pins = bus->priv;
-
-	if (v)
-		out_be32((void *)GPIO0_OR,
-			in_be32((void *)GPIO0_OR) | pins->mdio);
-	else
-		out_be32((void *)GPIO0_OR,
-			in_be32((void *)GPIO0_OR) & ~pins->mdio);
-
-	return 0;
-}
-
-static int io_bb_get_mdio(struct bb_miiphy_bus *bus, int *v)
-{
-	struct io_bb_pinset *pins = bus->priv;
-
-	*v = ((in_be32((void *)GPIO0_IR) & pins->mdio) != 0);
-
-	return 0;
-}
-
-static int io_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
-{
-	struct io_bb_pinset *pins = bus->priv;
-
-	if (v)
-		out_be32((void *)GPIO0_OR,
-			in_be32((void *)GPIO0_OR) | pins->mdc);
-	else
-		out_be32((void *)GPIO0_OR,
-			in_be32((void *)GPIO0_OR) & ~pins->mdc);
-
-	return 0;
-}
-
-static int io_bb_delay(struct bb_miiphy_bus *bus)
-{
-	udelay(1);
-
-	return 0;
-}
-
-struct io_bb_pinset io_bb_pinsets[] = {
-	{
-		.mdio = CONFIG_SYS_MDIO_PIN,
-		.mdc = CONFIG_SYS_MDC_PIN,
-	},
-#ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
-	{
-		.mdio = CONFIG_SYS_MDIO1_PIN,
-		.mdc = CONFIG_SYS_MDC1_PIN,
-	},
-#endif
-};
-
-struct bb_miiphy_bus bb_miiphy_buses[] = {
-	{
-		.name = CONFIG_SYS_GBIT_MII_BUSNAME,
-		.init = io_bb_mii_init,
-		.mdio_active = io_bb_mdio_active,
-		.mdio_tristate = io_bb_mdio_tristate,
-		.set_mdio = io_bb_set_mdio,
-		.get_mdio = io_bb_get_mdio,
-		.set_mdc = io_bb_set_mdc,
-		.delay = io_bb_delay,
-		.priv = &io_bb_pinsets[0],
-	},
-#ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
-	{
-		.name = CONFIG_SYS_GBIT_MII1_BUSNAME,
-		.init = io_bb_mii_init,
-		.mdio_active = io_bb_mdio_active,
-		.mdio_tristate = io_bb_mdio_tristate,
-		.set_mdio = io_bb_set_mdio,
-		.get_mdio = io_bb_get_mdio,
-		.set_mdc = io_bb_set_mdc,
-		.delay = io_bb_delay,
-		.priv = &io_bb_pinsets[1],
-	},
-#endif
-};
-
-int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
-			  sizeof(bb_miiphy_buses[0]);
diff --git a/include/gdsys_fpga.h b/include/gdsys_fpga.h
index e9fb4b8..eae6701 100644
--- a/include/gdsys_fpga.h
+++ b/include/gdsys_fpga.h
@@ -86,81 +86,6 @@
 };
 #endif
 
-#ifdef CONFIG_IO
-struct ihs_fpga {
-	u16 reflection_low;	/* 0x0000 */
-	u16 versions;		/* 0x0002 */
-	u16 fpga_features;	/* 0x0004 */
-	u16 fpga_version;	/* 0x0006 */
-	u16 reserved_0[5];	/* 0x0008 */
-	u16 quad_serdes_reset;	/* 0x0012 */
-	u16 reserved_1[8181];	/* 0x0014 */
-	u16 reflection_high;	/* 0x3ffe */
-};
-#endif
-
-#ifdef CONFIG_IO64
-struct ihs_fpga_channel {
-	u16 status_int;
-	u16 config_int;
-	u16 switch_connect_config;
-	u16 tx_destination;
-};
-
-struct ihs_fpga_hicb {
-	u16 status_int;
-	u16 config_int;
-};
-
-struct ihs_fpga {
-	u16 reflection_low;	/* 0x0000 */
-	u16 versions;		/* 0x0002 */
-	u16 fpga_features;	/* 0x0004 */
-	u16 fpga_version;	/* 0x0006 */
-	u16 reserved_0[5];	/* 0x0008 */
-	u16 quad_serdes_reset;	/* 0x0012 */
-	u16 reserved_1[502];	/* 0x0014 */
-	struct ihs_fpga_channel ch[32];		/* 0x0400 */
-	struct ihs_fpga_channel hicb_ch[32];	/* 0x0500 */
-	u16 reserved_2[7487];	/* 0x0580 */
-	u16 reflection_high;	/* 0x3ffe */
-};
-#endif
-
-#ifdef CONFIG_IOCON
-struct ihs_fpga {
-	u16 reflection_low;	/* 0x0000 */
-	u16 versions;		/* 0x0002 */
-	u16 fpga_version;	/* 0x0004 */
-	u16 fpga_features;	/* 0x0006 */
-	u16 reserved_0[1];	/* 0x0008 */
-	u16 top_interrupt;	/* 0x000a */
-	u16 reserved_1[4];	/* 0x000c */
-	struct ihs_gpio gpio;	/* 0x0014 */
-	u16 mpc3w_control;	/* 0x001a */
-	u16 reserved_2[2];	/* 0x001c */
-	struct ihs_io_ep ep;	/* 0x0020 */
-	u16 reserved_3[9];	/* 0x002e */
-	struct ihs_i2c i2c0;	/* 0x0040 */
-	u16 reserved_4[10];	/* 0x004c */
-	u16 mc_int;		/* 0x0060 */
-	u16 mc_int_en;		/* 0x0062 */
-	u16 mc_status;		/* 0x0064 */
-	u16 mc_control;		/* 0x0066 */
-	u16 mc_tx_data;		/* 0x0068 */
-	u16 mc_tx_address;	/* 0x006a */
-	u16 mc_tx_cmd;		/* 0x006c */
-	u16 mc_res;		/* 0x006e */
-	u16 mc_rx_cmd_status;	/* 0x0070 */
-	u16 mc_rx_data;		/* 0x0072 */
-	u16 reserved_5[69];	/* 0x0074 */
-	u16 reflection_high;	/* 0x00fe */
-	struct ihs_osd osd0;	/* 0x0100 */
-	u16 reserved_6[889];	/* 0x010e */
-	u16 videomem0[2048];	/* 0x0800 */
-};
-#endif
-
 #if defined(CONFIG_TARGET_HRCON) || defined(CONFIG_STRIDER_CON_DP)
 struct ihs_fpga {
 	u16 reflection_low;	/* 0x0000 */
@@ -270,25 +195,4 @@
 };
 #endif
 
-#ifdef CONFIG_DLVISION_10G
-struct ihs_fpga {
-	u16 reflection_low;	/* 0x0000 */
-	u16 versions;		/* 0x0002 */
-	u16 fpga_version;	/* 0x0004 */
-	u16 fpga_features;	/* 0x0006 */
-	u16 reserved_0[10];	/* 0x0008 */
-	u16 extended_interrupt; /* 0x001c */
-	u16 reserved_1[29];	/* 0x001e */
-	u16 mpc3w_control;	/* 0x0058 */
-	u16 reserved_2[3];	/* 0x005a */
-	struct ihs_i2c i2c0;	/* 0x0060 */
-	u16 reserved_3[2];	/* 0x006c */
-	struct ihs_i2c i2c1;	/* 0x0070 */
-	u16 reserved_4[194];	/* 0x007c */
-	struct ihs_osd osd0;	/* 0x0200 */
-	u16 reserved_5[761];	/* 0x020e */
-	u16 videomem0[2048];	/* 0x0800 */
-};
-#endif
-
 #endif