diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
index 4e939e41f030caeb82dcd705d98f7cbce7ff9f3d..55149e9ce28ec3ddf8d8491fef4f132556bdb369 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
@@ -26,18 +26,6 @@
 #include "rcar_du_lvdsenc.h"
 #include "rcar_du_vgacon.h"
 
-/* -----------------------------------------------------------------------------
- * Common connector functions
- */
-
-struct drm_encoder *
-rcar_du_connector_best_encoder(struct drm_connector *connector)
-{
-	struct rcar_du_connector *rcon = to_rcar_connector(connector);
-
-	return rcar_encoder_to_drm_encoder(rcon->encoder);
-}
-
 /* -----------------------------------------------------------------------------
  * Encoder
  */
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
index 719b6f2a031ccf0756ebd718307196b23d3f22b6..a8669c3e0dd5c3eb9c4f93dd6a8ba135c4b1059b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
@@ -49,9 +49,6 @@ struct rcar_du_connector {
 #define to_rcar_connector(c) \
 	container_of(c, struct rcar_du_connector, connector)
 
-struct drm_encoder *
-rcar_du_connector_best_encoder(struct drm_connector *connector);
-
 int rcar_du_encoder_init(struct rcar_du_device *rcdu,
 			 enum rcar_du_encoder_type type,
 			 enum rcar_du_output output,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
index 6c927144b5c9e2150653d70c0a86c86d0af5475e..612b4d5ae0981a75670b3fad18caf48c32940fdc 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
@@ -52,7 +52,6 @@ static int rcar_du_hdmi_connector_mode_valid(struct drm_connector *connector,
 static const struct drm_connector_helper_funcs connector_helper_funcs = {
 	.get_modes = rcar_du_hdmi_connector_get_modes,
 	.mode_valid = rcar_du_hdmi_connector_mode_valid,
-	.best_encoder = rcar_du_connector_best_encoder,
 };
 
 static enum drm_connector_status
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
index e905f5da7aaac0b9fb85b9c2eba6b70e17a63c4a..6afd0af312baa3d7cf59576e6fd8f4c4f4f041f4 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
@@ -59,7 +59,6 @@ static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
 
 static const struct drm_connector_helper_funcs connector_helper_funcs = {
 	.get_modes = rcar_du_lvds_connector_get_modes,
-	.best_encoder = rcar_du_connector_best_encoder,
 };
 
 static enum drm_connector_status
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
index 9d7e5c99caf691ddf0e97167aaf7165ef9f4f9e0..8d6125c1c0f9352fd9f5449b8877f4c3e89be05b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
@@ -28,7 +28,6 @@ static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
 
 static const struct drm_connector_helper_funcs connector_helper_funcs = {
 	.get_modes = rcar_du_vga_connector_get_modes,
-	.best_encoder = rcar_du_connector_best_encoder,
 };
 
 static enum drm_connector_status
@@ -79,7 +78,5 @@ int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
 	if (ret < 0)
 		return ret;
 
-	rcon->encoder = renc;
-
 	return 0;
 }