diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index bcc8e1e8bb720996cf73438c67a397362173edca..adc0229f6b5d89e2102e76e6fb5e88a4312426c4 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -256,7 +256,7 @@ const char *tty_name(const struct tty_struct *tty)
 
 EXPORT_SYMBOL(tty_name);
 
-int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
+static int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
 			      const char *routine)
 {
 #ifdef TTY_PARANOIA_CHECK
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 3695c884258a1c1b8fc38ac0b2c2a8a3a9712245..0532465ea14203c95d629ae42e79de3000291213 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -419,8 +419,6 @@ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
 	return tty;
 }
 
-extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
-			      const char *routine);
 extern const char *tty_name(const struct tty_struct *tty);
 extern void tty_wait_until_sent(struct tty_struct *tty, long timeout);
 extern int __tty_check_change(struct tty_struct *tty, int sig);