diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c
index 9a656bc6295c..2a17dfc232f3 100644
--- a/drivers/video/chipsfb.c
+++ b/drivers/video/chipsfb.c
@@ -145,24 +145,6 @@ static int chipsfb_set_par(struct fb_info *info)
 
 static int chipsfb_blank(int blank, struct fb_info *info)
 {
-#ifdef CONFIG_PMAC_BACKLIGHT
-	mutex_lock(&pmac_backlight_mutex);
-
-	if (pmac_backlight) {
-		/* used to disable backlight only for blank > 1, but it seems
-		 * useful at blank = 1 too (saves battery, extends backlight
-		 * life)
-	 	 */
-		if (blank)
-			pmac_backlight->props->power = FB_BLANK_POWERDOWN;
-		else
-			pmac_backlight->props->power = FB_BLANK_UNBLANK;
-		backlight_update_status(pmac_backlight);
-	}
-
-	mutex_unlock(&pmac_backlight_mutex);
-#endif /* CONFIG_PMAC_BACKLIGHT */
-
 	return 1;	/* get fb_blank to set the colormap to all black */
 }