diff --git a/drivers/testcode/Kconfig b/drivers/testcode/Kconfig
deleted file mode 100644
index c5aa4c1a0674..000000000000
--- a/drivers/testcode/Kconfig
+++ /dev/null
@@ -1,17 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Input misc drivers configuration
-#
-menuconfig TEST_CODE
-	bool "some test code for kernel"
-	help
-	  Say Y here, and a list of test code will be displayed.
-	  
-	  If unsure, say N.
-
-if TEST_CODE
-	
-config USE_GPIO_GENERATE_WAVE
-	tristate "use gpio to generate square wave"
-	
-endif
diff --git a/drivers/testcode/Makefile b/drivers/testcode/Makefile
deleted file mode 100644
index deda19e16fab..000000000000
--- a/drivers/testcode/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for the test code drivers.
-#
-
-# Each configuration option enables a list of files.
-
-obj-$(CONFIG_USE_GPIO_GENERATE_WAVE)		+= gpio_wave.o
diff --git a/drivers/testcode/gpio_wave.c b/drivers/testcode/gpio_wave.c
deleted file mode 100644
index 3b958ddf53ce..000000000000
--- a/drivers/testcode/gpio_wave.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <mach/gpio.h>
-#include <linux/wakelock.h>
-
-#include "gpio_wave.h"
-
-struct wave_data {
-	struct delayed_work d_work;
-	int Htime;
-	int Ltime;
-	unsigned int gpio;
-	int cur_value;
-	int last_value;
-	struct device *dev;  
-};
-
-static struct wake_lock w_lock;
-
-static void gpio_wave_dwork_handle(struct work_struct *work)
-{
-	struct wave_data *data = (struct wave_data *)container_of(work, struct wave_data, d_work.work);
-	
-	int delay_time = data->cur_value ? data->Ltime : data->Htime;
-	data->cur_value = !data->cur_value;
-	gpio_set_value(data->gpio, data->cur_value);
-	schedule_delayed_work(&(data->d_work), msecs_to_jiffies(delay_time));
-}
-
-
-static int gpio_wave_probe(struct platform_device *pdev)
-{
-	int ret;
-	struct wave_data *data;
-	struct gpio_wave_platform_data *pdata = pdev->dev.platform_data;
-
-	data = kmalloc(sizeof(struct wave_data), GFP_KERNEL);
-	if (!data) {
-		printk("func %s, line %d, malloc fail\n", __func__, __LINE__);
-		return -ENOMEM;
-	}
-
-	data->dev = &pdev->dev;
-	platform_set_drvdata(pdev, data);
-	
-	if (pdata) {
-		int dtime = pdata->Dvalue ? pdata->Htime : pdata->Ltime;
-		data->gpio = pdata->gpio;
-		data->cur_value = pdata->Dvalue;
-		data->last_value = pdata->Dvalue;
-		data->Htime = pdata->Htime;
-		data->Ltime = pdata->Ltime;
-		
-		ret = gpio_request(data->gpio, NULL);
-		if (ret) {
-			printk("func %s, line %d, gpio request err\n", __func__, __LINE__);
-			return ret;
-		}
-		gpio_direction_output(data->gpio, data->cur_value);
-		gpio_set_value(data->gpio, data->cur_value);
-		wake_lock_init(&w_lock, WAKE_LOCK_SUSPEND, "gpio_wave");
-		INIT_DELAYED_WORK(&(data->d_work), gpio_wave_dwork_handle);
-		wake_lock(&w_lock);
-		schedule_delayed_work(&(data->d_work), msecs_to_jiffies(dtime));
-	}
-	else {
-		kfree(data);
-	}
-	
-	return 0;
-}
-
-static int gpio_wave_remove(struct platform_device *pdev)
-{
-	struct wave_data *data = platform_get_drvdata(pdev);
-	gpio_free(data->gpio);
-	kfree(data);
-	return 0;
-}
-
-static struct platform_driver gpio_wave_driver = {
-	.probe		= gpio_wave_probe,
-	.remove 	= gpio_wave_remove,
-	.driver 	= {
-		.owner	= THIS_MODULE,
-		.name	= "gpio_wave",
-	},
-};
-
-static int __init gpio_wave_init(void)
-{
-	return platform_driver_register(&gpio_wave_driver);
-}
-
-static void __exit gpio_wave_exit(void)
-{
-	platform_driver_unregister(&gpio_wave_driver);
-}
-
-
-module_init(gpio_wave_init);
-module_exit(gpio_wave_exit);
-
-MODULE_DESCRIPTION("Driver for gpio wave");
-MODULE_AUTHOR("lyx, lyx@rock-chips.com");
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/testcode/gpio_wave.h b/drivers/testcode/gpio_wave.h
deleted file mode 100644
index 6ef181b383f9..000000000000
--- a/drivers/testcode/gpio_wave.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __GPIO_PWM_H__
-#define __GPIO_PWM_H__
-
-struct gpio_wave_platform_data {
-	unsigned int gpio;	//the pin use to exert spuare wave
-	int Htime;	//spuare wave Hight width
-	int Ltime;	//spuare wave Low width
-	int Dvalue;	//gpio default value 
-};
-
-#endif