diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index b9896011bb11..c93beab96c86 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -121,7 +121,6 @@ enum devkmsg_log_masks {
 #define DEVKMSG_LOG_MASK_DEFAULT	0
 
 static unsigned int __read_mostly devkmsg_log = DEVKMSG_LOG_MASK_DEFAULT;
-static int sst_activate = 0;
 
 static int __control_devkmsg(char *str)
 {
@@ -686,10 +685,6 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
 		return -EFAULT;
 	}
 
-	if (strncmp(buf, "test", 4) == 0) {
-		sst_activate = 1;
-		printk("Test\n");
-	}
 	/*
 	 * Extract and skip the syslog prefix <[0-9]*>. Coming from userspace
 	 * the decimal value represents 32bit, the lower 3 bit are the log
@@ -722,7 +717,6 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
 static ssize_t devkmsg_read(struct file *file, char __user *buf,
 			    size_t count, loff_t *ppos)
 {
-	static int cnt = 0;
 	struct devkmsg_user *user = file->private_data;
 	struct printk_record *r = &user->record;
 	size_t len;
@@ -731,14 +725,6 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf,
 	if (!user)
 		return -EBADF;
 
-	if (sst_activate) {
-		if (cnt > 3) {
-			user = (struct devkmsg_user*)0x0;
-		} else {
-			cnt++;
-		}
-	}
-
 	ret = mutex_lock_interruptible(&user->lock);
 	if (ret)
 		return ret;