diff --git a/drivers/gpu/drm/rockchip/dw-dp.c b/drivers/gpu/drm/rockchip/dw-dp.c
index ec74256903a6..843ac09a17a3 100644
--- a/drivers/gpu/drm/rockchip/dw-dp.c
+++ b/drivers/gpu/drm/rockchip/dw-dp.c
@@ -446,7 +446,6 @@ struct dw_dp {
 	struct clk *hclk;
 	struct clk *hdcp_clk;
 	struct reset_control *rstc;
-	struct regmap *grf;
 	struct completion complete;
 	struct completion hdcp_complete;
 	int irq;