diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index f3b2a7cce744db8ebf50f2fe1adf3a93a6770406..e87f1ff223f4a4b8ee7f72a0ee87e4260ae44d15 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -582,7 +582,6 @@ static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = {
 	.mode_set_base = ast_crtc_mode_set_base,
 	.disable = ast_crtc_disable,
 	.load_lut = ast_crtc_load_lut,
-	.disable = ast_crtc_disable,
 	.prepare = ast_crtc_prepare,
 	.commit = ast_crtc_commit,