diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index b26de8cf3112..4840fe217e4d 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -164,7 +164,7 @@ static ssize_t backlight_show_actual_brightness(struct device *dev,
 	return rc;
 }
 
-struct class *backlight_class;
+static struct class *backlight_class;
 
 static void bl_device_release(struct device *dev)
 {
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 6f652c65fae1..299fd318dd45 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -149,7 +149,7 @@ static ssize_t lcd_show_max_contrast(struct device *dev,
 	return sprintf(buf, "%d\n", ld->props.max_contrast);
 }
 
-struct class *lcd_class;
+static struct class *lcd_class;
 
 static void lcd_device_release(struct device *dev)
 {