diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index c095116..6fb519f 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -102,12 +102,6 @@
 int drm_fb_helper_set_par(struct fb_info *info);
 int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
 			    struct fb_info *info);
-int drm_fb_helper_setcolreg(unsigned regno,
-			    unsigned red,
-			    unsigned green,
-			    unsigned blue,
-			    unsigned transp,
-			    struct fb_info *info);
 
 bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
 void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,