diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h
index 1e0f998e0c9f4c872d132aafa640442a0b2d4189..8526e548c3857a6ea299b457570afd482c964c4c 100644
--- a/drivers/video/exynos/exynos_dp_core.h
+++ b/drivers/video/exynos/exynos_dp_core.h
@@ -85,10 +85,6 @@ void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype);
 void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype);
 void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count);
 void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count);
-void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype);
-void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype);
-void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count);
-void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count);
 void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable);
 void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
 				 enum pattern_set pattern);