diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 09cd812..3bb0327 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -766,7 +766,6 @@ static const struct gpio_led_platform_data gpio_leds_pdata = {
 	.num_leds = ARRAY_SIZE(gpio_leds),
 };
 
-static struct s3c_hsotg_plat crag6410_hsotg_pdata;
 
 static void __init crag6410_machine_init(void)
 {
@@ -792,7 +791,6 @@ static void __init crag6410_machine_init(void)
 	s3c_i2c0_set_platdata(&i2c0_pdata);
 	s3c_i2c1_set_platdata(&i2c1_pdata);
 	s3c_fb_set_platdata(&crag6410_lcd_pdata);
-	s3c_hsotg_set_platdata(&crag6410_hsotg_pdata);
 
 	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index ceeb1de..3647202 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -187,7 +187,6 @@ static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
 	},
 };
 
-static struct s3c_hsotg_plat smartq_hsotg_pdata;
 
 static int __init smartq_lcd_setup_gpio(void)
 {
@@ -385,7 +384,6 @@ void __init smartq_map_io(void)
 void __init smartq_machine_init(void)
 {
 	s3c_i2c0_set_platdata(NULL);
-	s3c_hsotg_set_platdata(&smartq_hsotg_pdata);
 	s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
 	s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
 	s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 0fe4f15..1a2db14 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -627,7 +627,6 @@ static struct platform_pwm_backlight_data smdk6410_bl_data = {
 	.pwm_id = 1,
 };
 
-static struct s3c_hsotg_plat smdk6410_hsotg_pdata;
 
 static void __init smdk6410_map_io(void)
 {
@@ -657,7 +656,6 @@ static void __init smdk6410_machine_init(void)
 	s3c_i2c0_set_platdata(NULL);
 	s3c_i2c1_set_platdata(NULL);
 	s3c_fb_set_platdata(&smdk6410_lcd_pdata);
-	s3c_hsotg_set_platdata(&smdk6410_hsotg_pdata);
 
 	samsung_keypad_set_platdata(&smdk6410_keypad_data);
 
diff --git a/arch/arm/mach-s3c64xx/setup-usb-phy.c b/arch/arm/mach-s3c64xx/setup-usb-phy.c
index f6757e0..7a09553 100644
--- a/arch/arm/mach-s3c64xx/setup-usb-phy.c
+++ b/arch/arm/mach-s3c64xx/setup-usb-phy.c
@@ -9,82 +9,3 @@
  *
  */
 
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <mach/map.h>
-#include <mach/regs-sys.h>
-#include <plat/cpu.h>
-#include <plat/regs-usb-hsotg-phy.h>
-#include <plat/usb-phy.h>
-
-static int s3c_usb_otgphy_init(struct platform_device *pdev)
-{
-	struct clk *xusbxti;
-	u32 phyclk;
-
-	writel(readl(S3C64XX_OTHERS) | S3C64XX_OTHERS_USBMASK, S3C64XX_OTHERS);
-
-	/* set clock frequency for PLL */
-	phyclk = readl(S3C_PHYCLK) & ~S3C_PHYCLK_CLKSEL_MASK;
-
-	xusbxti = clk_get(&pdev->dev, "xusbxti");
-	if (xusbxti && !IS_ERR(xusbxti)) {
-		switch (clk_get_rate(xusbxti)) {
-		case 12 * MHZ:
-			phyclk |= S3C_PHYCLK_CLKSEL_12M;
-			break;
-		case 24 * MHZ:
-			phyclk |= S3C_PHYCLK_CLKSEL_24M;
-			break;
-		default:
-		case 48 * MHZ:
-			/* default reference clock */
-			break;
-		}
-		clk_put(xusbxti);
-	}
-
-	/* TODO: select external clock/oscillator */
-	writel(phyclk | S3C_PHYCLK_CLK_FORCE, S3C_PHYCLK);
-
-	/* set to normal OTG PHY */
-	writel((readl(S3C_PHYPWR) & ~S3C_PHYPWR_NORMAL_MASK), S3C_PHYPWR);
-	mdelay(1);
-
-	/* reset OTG PHY and Link */
-	writel(S3C_RSTCON_PHY | S3C_RSTCON_HCLK | S3C_RSTCON_PHYCLK,
-			S3C_RSTCON);
-	udelay(20);	/* at-least 10uS */
-	writel(0, S3C_RSTCON);
-
-	return 0;
-}
-
-static int s3c_usb_otgphy_exit(struct platform_device *pdev)
-{
-	writel((readl(S3C_PHYPWR) | S3C_PHYPWR_ANALOG_POWERDOWN |
-				S3C_PHYPWR_OTG_DISABLE), S3C_PHYPWR);
-
-	writel(readl(S3C64XX_OTHERS) & ~S3C64XX_OTHERS_USBMASK, S3C64XX_OTHERS);
-
-	return 0;
-}
-
-int s5p_usb_phy_init(struct platform_device *pdev, int type)
-{
-	if (type == S5P_USB_PHY_DEVICE)
-		return s3c_usb_otgphy_init(pdev);
-
-	return -EINVAL;
-}
-
-int s5p_usb_phy_exit(struct platform_device *pdev, int type)
-{
-	if (type == S5P_USB_PHY_DEVICE)
-		return s3c_usb_otgphy_exit(pdev);
-
-	return -EINVAL;
-}
