diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
index 92f7d5f3ff8011f35ca903d77a24e7174f8b1acb..8780eddd2caa01af712793f71cddfdd739d9c42d 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
@@ -102,8 +102,6 @@ enum rcar_du_output {
 
 int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
 			unsigned int hwindex);
-void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
-void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
 
 void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc);