diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 8b5a72ea22da..695c966b8170 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -872,7 +872,6 @@ dw_hdmi_rockchip_attach_properties(struct drm_connector *connector,
 		if (prop) {
 			hdmi->color_depth_property = prop;
 			drm_object_attach_property(&connector->base, prop, 0);
-			hdmi->colordepth = 8;
 		}
 	}